The Best Lightweight Car Seat

Traveling with kids means juggling a lot of gear, especially when it comes to car seats. A lightweight car seat can be a game-changer, letting parents move more freely without the extra strain. This article is packed with tips for finding the ideal light-as-a-feather car seat and features our top picks that blend safety, comfort, and portability. Keep reading for your child’s next comfy ride:

Features to Look for in the Best Lightweight Car Seat

When searching for the best lightweight car seat, it’s important to consider the weight limit and size specifications, safety ratings and features, as well as the ease of installation and adjustment.

These key features will help you narrow down your options and find the perfect lightweight car seat for your little one.

Weight Limit and Size Specifications

Choosing the best lightweight car seat means paying close attention to weight limits and size specifications. These details are crucial because they ensure that the seat fits your child’s age, height, and weight throughout different stages of growth.

Consider also the physical dimensions of a car seat when assessing its suitability for your car and lifestyle. The Cosco options shine in this aspect—they’re compact enough for air travel yet sturdy enough to support children rear-facing from birth up until they hit toddlerhood.

Make sure you pick a model that not only adheres to safety standards but also fits comfortably in your vehicle without cramping space or compromising on comfort.

Safety Ratings and Features

Every parent wants to ensure their child’s car seat is as safe as possible. That’s why the best lightweight car seats come with top-notch safety ratings. These seats undergo rigorous testing to meet or exceed federal safety standards, giving moms and dads peace of mind.

Look for features like side-impact protection and a five-point harness system, both designed to keep little ones secure in case of a collision.

Many models also boast additional safety elements, such as energy-absorbing foam and adjustable headrests that provide extra support for your child’s head and neck. With these features in hand, you can rest assured your infant or toddler has high-level protection during every journey.

Ease of Installation and Adjustment

Many parents dread the process of installing car seats, but choosing the best lightweight car seat can simplify the task. Modern lightweight seats are designed with intuitive features such as color-coded belt paths and quick-click LATCH systems that make securing them a breeze.

This is especially handy for families who need to switch their car seat between different vehicles frequently or plan to use it for air travel. These seats not only save your back from lifting heavy weight but also save precious time during installation.

Adjusting your child’s car seat should be straightforward, too. Look for models with one-hand harness adjustment systems so you can ensure a snug fit quickly and effortlessly as your child grows.

The ease of making these adjustments promotes better safety and provides peace of mind, knowing your little one is secure on every journey. Next up, let’s delve into some top recommended lightweight car seats in 2024 that embody these practical features.

The Best Lightweight Car Seats in 2024

Cosco Topside Backless Booster Car Seat


Perfect for safety-first parents seeking comfort and security for their kids.
Best Overall

Find on Amazon


  • Forward-facing booster seat for children from 40 to 100 pounds

  • Easy installation using the car’s seat belt

  • Compact and lightweight design, weighing only 2.2 pounds

  • Fabric material with a stylish Leo design

  • Unisex design suitable for both boys and girls

The Cosco Topside Backless Booster Car Seat stands out as a top-notch choice for parents aiming to combine safety, comfort, and convenience. This booster ensures your child is seated at the proper height for the seatbelt to fit securely, catering to kids between 40 and 100 pounds and up to 57 inches tall. With its extra plush padding, it turns long car rides into cozy journeys that little ones won’t fuss over. The fact that it doesn’t leave marks on your vehicle seats means you can maintain your car’s pristine interior while keeping your kid secure.

Designed with busy families in mind, this lightweight booster transitions smoothly from one car to another — perfect for those who need a reliable seat during family trips or carpools without the hassle of a complicated installation process; no latch required! Its durable fabric cover is easy on the hands but tough enough for active kids and cleanups are simple being hand-wash only. Parents appreciate Cosco’s reputation for safe and design-conscious products that don’t break the bank, which makes this backless booster an all-around winner.

We’ve selected the Cosco Topside as number one because it meets every vital requirement with flying colors: unparalleled portability, ease of use, unyielding commitment to safety standards—and let’s not forget—the comfort factor that keeps youngsters happy even on extended drives. For modern caretakers who value practicality without compromising quality or their child’s wellbeing, this booster reigns supreme in providing peace of mind behind the wheel.


  • Leaves car seats unmarked

  • Provides extra plush padding for comfort during long rides

  • Lightweight and compact design for easy transport between vehicles

  • Securely fits in your car, giving your child the extra height needed to keep seatbelts properly positioned


  • Hand wash only

  • Latch not required

  • Limited to kids weighing 40 to 100 pounds

The Cosco Topside Backless Booster Car Seat, Leo, is perfect for busy parents who value safety and convenience. Its lightweight and compact design makes it easy to transfer between vehicles while providing extra plush padding for long rides. If you want the best lightweight car seat for your growing child, click here to get yours today!

Hiccapop UberBoost Inflatable Booster Car Seat


Portable, inflatable car seat for easy setup, transportation, and storage.
Runner Up

Find on Amazon


  • Inflatable and portable booster car seat

  • Suitable for children weighing between 40 to 110 pounds

  • Complies with the FMVSS213 Federal Motor Safety Standard

  • Easy installation using a seat belt

  • Sturdy, stable, and secure design

  • Available in navy/dark gray color combination

Traveling with kids just got simpler with the hiccapop UberBoost Inflatable Booster Car Seat. This portable booster isn’t just comfy; it’s designed for safety too. Positioning clips ensure the seatbelt sits right, giving extra protection and reducing the risk of injury on the go.

Busy families will love how this backless booster fits into any car setup. Its narrow yet spacious design means you can fit three side by side or slide one between full-sized car seats—ideal for larger families or carpools. And it’s durable! The non-skid base stays put on any seat material, ensuring even the wiggliest toddler rides securely.

The hiccapop UberBoost is our No. 2 pick for its safety features and portability without sacrificing comfort or stability. It transitions seamlessly from taxi cabs to rental cars—inflate it in under 20 seconds. When you’re done, deflate and tuck it away into luggage with ease. Busy parents can relax knowing they have a convenient solution that keeps their child safe during travel adventures.


  • Comfy and secure seating for kids

  • Fits 3 booster seats across the back seat of smaller vehicles

  • Sturdy non-skid base prevents movement in case of an accident

  • Portable, easy to inflate, and compact for travel


  • Not suitable for children under 4 years old or under 40 pounds

  • Inflation and deflation may be inconvenient for some

  • Limited color options available

The hiccapop UberBoost Inflatable Booster Car Seat is excellent for active parents and caregivers who want a lightweight, portable, and safe car seat for their child.

Bubble Bum Inflatable Travel Booster Seat

Memory foam design

Ideal for families on the road, looking for a lightweight travel solution.
Most Comfortable

Find on Amazon


  • Foam material for lightweight and durable design

  • Easy installation using seat belt, no batteries required

  • Suitable for children weighing 40 to 100 pounds in forward-facing orientation

  • Portable and inflatable for convenient travel and car rentals

  • Hand washable with memory foam and polyester construction

  • Unisex design with a 3-point harness and one reclining position

Traveling with kids just got easier thanks to the Bubble Bum Inflatable Travel Booster Seat. This award-winning portable seat is a lifesaver for parents on-the-go who value convenience without compromising on safety. Its innovative design allows it to deflate and fold flat, making it a breeze to pack for vacations or switch between cars. For families with multiple children, the narrow yet comfortable fit of the Bubble Bum means fitting three across the backseat is no longer a puzzle.

Parents can breathe easier knowing that even though the Bubble Bum is inflatable, its patented ComfortMax technology surpasses all US federal car safety standards. The included belt-positioning clip ensures that your child’s seatbelt sits correctly for maximum comfort and protection – crucial when you’re driving those precious cargos! It’s not just functional; it also scores high on kid appeal with its sleek black look.

We’ve ranked this booster at No. 3 because while it checks key boxes like portability and safety, there are options offering more robust features higher on our list. However, if your top priorities include saving space in packed trunks and ensuring an easy-to-move solution between vehicles, then the lightweight Bubble Bum could be exactly what your family needs for balanced travel flexibility and peace of mind.


  • Winner of multiple prestigious awards and backed by millions of happy customers

  • Narrow, compact, and slim design fits between 2 full-size car seats for easy three-kid seating in almost any car

  • Perfect for everyday use, travel, car rentals, taxis, vacations, and school trips

  • Exceeds all US federal car safety standards with patented ComfortMax technology and seat belt positioning clip


  • Inflation and deflation can be time-consuming, especially when traveling

  • Inflatable design may not provide the same level of sturdiness as traditional booster seats

  • Some children may find it less comfortable than a padded, non – inflatable booster seat

This revolutionary Bubble Bum Inflatable Travel Booster Seat is perfect for forever-moving parents looking for a lightweight and compact car seat solution. Designed with safety and convenience in mind, it’s the ultimate travel companion for families with children ages 4-11. Don’t sacrifice space or comfort, snap up this beauty now.

Evenflo Chase Harnessed Booster

Easy-care convenience

Lightweight and versatile, this car seat offers plenty of bang for your buck.
Best Value

Find on Amazon


  • Latch or seat belt installation options for convenience

  • Wipe-clean harness and machine-washable seat pad for effortless maintenance

  • Four reclining positions to ensure a comfortable ride for your child

  • 5-point harness provides security and peace of mind while on the go

  • Accommodates children from 22 to 110 pounds, maximizing usability

  • Constructed with durable polyester fabric, ensuring longevity

The Evenflo Chase Harnessed Booster stands out as a versatile guardian for your growing child. From the sturdy five-point harness meant to secure toddlers weighing 22-40 pounds, it smartly transitions into a belt-positioning booster, supporting kids up to 110 pounds. Parents will appreciate this longevity, offering both protection and comfort throughout childhood’s many stages. Certified as a “Best Bet” by the Insurance Institute for Highway Safety, your peace of mind is assured every time you buckle in your little one.

dreaming about busy mornings with less hassle? This car seat makes them possible with its user-friendly LATCH system which simplifies installation across multiple cars—a true lifesaver for families on-the-go. And let’s not overlook the convenience of dual integrated cup holders designed to prevent backseat clutter without compromising on seat space—snacks and drinks stay within easy reach without squeezing siblings or friends sharing the ride.

Cleanup is hardly a chore with Evenflo Chase Jubilee; spilled juice can’t ruin your day thanks to its machine-washable pad that fits easily back onto the frame after tumbling dry. Not to mention, air-drying the straps ensures they are ready for their next use in no time at all, making maintenance just another simple step in keeping your young passengers safe and comfy day after day.


  • Integrated cup holders keep drinks within reach without taking up extra space

  • Easy adjustment of the harness ensures a secure and comfortable fit for your child

  • Versatile design accommodates children from 22 to 110 pounds, providing extended use

  • Lightweight construction and latch system compatibility allow for hassle-free installation and transfer between vehicles


  • Cup holders may not fit all types of cups or bottles securely

  • Some find the harness straps to be difficult to adjust

  • The car seat may be too wide for some vehicles

The Evenflo Chase Harnessed Booster is perfect for busy parents looking for a lightweight and versatile car seat that can grow with their child. It’s best suited for families with children ages 2-4, and its easy installation makes it ideal for use in multiple vehicles. Get one of the best lightweight car seats on the market today and give your child a safe and comfortable ride.

Safety 1st Grand 2-in-1 Booster Car Seat

Meets safety standards

This feature-packed car seat is made to make journeys easier for you.
Great Choice

Find on Amazon


  • Converts from a high-back booster to a backless booster, growing with your child

  • Features side-impact protection for added safety during car rides

  • Designed with an adjustable headrest to accommodate your child’s growth

  • Equipped with dual cup holders for convenience during travel

  • Meets federal safety standards, ensuring peace of mind for parents

  • Easy installation using the Latch system, providing a secure fit

The Safety 1st Grand 2-in-1 Booster Car Seat is a game-changer for busy parents on the go. With an adjustable headrest, it grows right alongside your child, offering crucial support for little heads. The deluxe fabric isn’t just about looks; it’s plush comfort that keeps your kiddo happy on both quick carpool rides and extended road trips. This booster’s lightweight design makes switching between cars hassle-free – perfect for families with multiple vehicles or those who often share driving duties.

Managing space in the backseat can be tricky, but this seat is designed to fit neatly across most cars—ideal if you’ve got a full house or extra friends joining the journey. As kids transition from tots to taller tykes, this car seat adapts seamlessly, starting as a forward-facing harness seat accommodating children from 30 to 65 pounds before transitioning into a belt-positioning booster for kids up to 120 pounds. Parents will appreciate the peace of mind that comes with knowing their child is secure and seated comfortably in their Black Sparrow chariot at every stage of childhood adventures.


  • Customizable support with adjustable headrest

  • Comfortable ride for kids with deluxe fabric

  • Easy to move between cars due to lightweight design

  • Accommodates 3 across in most vehicles, ideal for growing families and carpools


  • Some may find the installation process confusing

  • The armrests can be a bit flimsy and prone to breaking with rough handling

  • The fabric may attract lint and pet hair, requiring frequent cleaning

This lightweight and versatile car seat is perfect for busy families on-the-go, with its adjustable features and ability to fit three across in most vehicles. It’s ideal for parents seeking a reliable and comfortable option for their growing child, from toddlerhood all the way up to pre-teen years. Upgrade your car seat game with Safety 1st Grand 2-in-1 Booster Car Seat – Black Sparrow, the best choice for safety and convenience.

Century Carry On 35 Lightweight Infant Car Seat

Lighter than air

This eco-friendly pick is super lightweight, making it easier than ever to bring with you on your travels.
Best Super-Light

Find on Amazon


  • Rear-facing infant car seat suitable for babies weighing 4 to 35 pounds

  • Lightweight design at only 7 pounds for easy portability

  • Secure installation with latch system

  • Constructed from durable polypropylene and polyester materials

  • Comfortable 3-point harness for safe travel

Traveling with your little one just got easier with the Century Carry On 35 Lightweight Infant Car Seat. It’s a real game-changer for on-the-go parents who need a safe, portable option that won’t break their backs or their spirits. Picture this: you’re navigating through busy streets and crowded places, but your lightweight car seat makes it almost effortless because it weighs less than 7 pounds! That’s right, carrying your baby to and from the car is no longer the workout of the day.

Safety never takes a backseat with this infant car seat. The KeepSafe Protection design ensures peace of mind for moms and dads as they hit the road. Side-impact tested features work hard so that every journey is secure, putting parent worries to rest. And let’s talk about comfort—this Metro style haven is engineered not only to protect but also to cuddle your child in just-right softness suitable from 4-35 lbs.

But what about making an impact beyond safety and convenience? This seat nails it by being part of Century’s Happy Planet Collection, bringing eco-conscious parents something to smile about – fabrics crafted from recycled materials! You’re caring for your child and our planet simultaneously; we call that smart parenting. So say goodbye to clunky travel gear and hello to smooth sailing (or driving!) with a car seat designed for modern families who want ease without compromising on what matters most – their baby’s wellbeing.


  • Side-impact protection for occupant retention

  • Designed and tested for safe and secure protection

  • Suitable for rear-facing infants from 4 to 35 lbs

  • Made with lightweight materials, weighing under 7 lbs


  • Limited color options available

  • Some may find the padding not as plush as other models

  • Canopy may not provide enough coverage for some parents’ preferences

Calling all on-the-go parents: The Century Carry On 35 Lightweight Infant Car Seat is perfect for the busy and environmentally conscious individual. With its side-impact protection and lightweight design, this car seat is ideal for infants weighing between 4-35 pounds. Level up your travel game now and give your little one a safe and eco-friendly ride in the Metro 35 Car Seat Metro from the Happy Planet Collection.

Cosco Onlook 2-in-1 Convertible Car Seat

Comfort and convenience

Ideal for busy parents seeking a convenient and secure car seat.
Best Rear-Facing

Find on Amazon


  • Rear-facing orientation for infants and young toddlers

  • 2-in-1 convertible design suitable for rear-facing and forward-facing use

  • Secure and easy installation with latch system

  • Lightweight at 12.05 pounds for convenient portability

  • Comfortable 5-point harness for added safety

  • Adjustable with 6 reclining positions for customizable comfort

Traveling with little ones just got easier with the Cosco Onlook 2-in-1 Convertible Car Seat. Designed for on-the-go families, this car seat supports children from infancy up to toddlerhood. It shifts smoothly from rear-facing for infants weighing between 5 and 40 pounds, offering extended safety in the preferred position longer than many other seats. Once your child grows, transition the seat to a forward-facing setup to accommodate kids up to 40 pounds and standing up to 43 inches tall.

The onboard side-impact protection provides extra peace of mind that your child is secure while you focus on the road ahead. The versatility doesn’t stop there; parents can easily adjust the five-point harness system, which includes six different heights and three buckle locations – all from the front of the seat, allowing you to find the perfect fit as they grow without any hassle. Machine-washable features become lifesavers when spills happen; simply remove and clean for a fresh start on every journey.

This Cosco car seat isn’t just about comfort and safety—it’s also incredibly travel-friendly. Certified for airplane use, it gives your child their own familiar spot no matter how far you wander together. Plus, installing it is a snap thanks to its LATCH system compatibility, making it an essential choice for daily commutes or grand adventures alike.


  • Certified for use on aircraft, making it convenient for travel

  • Easy to clean with machine-washable and dryer-safe car seat pad

  • Built-in side-impact protection ensures extra security for your child

  • Accommodates infants from 5 pounds up to toddlers weighing 40 pounds in rear-facing mode and kids up to 40 pounds in forward-facing mode


  • Harness straps may be difficult to tighten and loosen

  • Limited padding in the seat cushion

  • Some find the installation process challenging

This lightweight and versatile Cosco Onlook 2-in-1 Convertible Car Seat is the ideal choice for busy parents looking for a convenient and safe option for their little ones. Whether you’re a frequent traveler or simply in need of an easy-to-clean car seat, this product is perfect for you.

Evenflo GoTime LX Booster Car Seat

Cotton softness

Superior Safety and Convenience for Growing Children on the Go
Best Materials

Find on Amazon


  • Forward-facing orientation with a maximum weight capacity of 120 pounds

  • 7 reclining positions for customizable comfort and support

  • High back style providing additional safety and security

  • Live Video Installation Support for easy setup

  • Material composition of 33% Cotton, 34% Polypropylene, and 33% Polyester for durability and comfort

  • Parent Link Customer Service for added assistance

Watch your little one travel comfortably with the Evenflo GoTime LX Booster Seat. It adjusts easily as your child grows, making life simpler for parents on the move. You can quickly find the perfect position with the one-handed height adjustment feature. Imagine the peace of mind knowing your child is supported by deep head and body side cushions that exceed safety standards.

For long drives, this lightweight booster seat is perfect for older kids who still need a lift. It has dual cup holders to keep drinks steady and snacks close—a small detail that helps minimize distractions. The transition from high back to no-back mode is hassle-free, accommodating your growing child without compromising safety or convenience.

Cleaning up spills is a breeze; just remove the padding and toss it in the wash. Beyond maintenance, Evenflo’s ParentLink® support is there for you when installing the car seat, offering real-time help from certified safety technicians. With cool color options, the Evenflo GoTime LX not only keeps kids safe but does it with an eye-catching style they’ll love every time they buckle up.


  • Keeps drinks and snacks close with 2 cup holders, promoting safe driving

  • Adaptable for growing children, allowing longer use and proper belt fit adjustments

  • Versatile usage modes transitioning from high back to no-back booster

  • Easy one-hand height adjustment for a better fit as the child grows


  • Cup holders may not be large enough to accommodate all-size containers

  • Seat fabric may show wear over time, particularly with heavy use

  • The transition from high back to no back booster may require some effort and practice

The Evenflo GoTime LX Booster Car Seat (Chardon Black) is perfect for busy parents on the go who prioritize safety and convenience. Its lightweight design and easy adjustments make it ideal for families with growing children.


Q: What is a lightweight car seat?

A: A lightweight car seat is a type of car seat that is designed to be easily portable and convenient for traveling or moving between vehicles.

Q: What are the different types of car seats available for infants and toddlers?

A: There are several types of car seats available, including infant car seats, convertible car seats, and booster seats.

Q: What is the difference between an infant car seat and a convertible car seat?

A: An infant car seat is designed for newborns and small babies, while a convertible car seat can be used from infancy through toddlerhood as it can be adjusted to rear-facing and forward-facing positions.

Q: What is the Cosco Scenera Next car seat?

A: The Cosco Scenera Next is a popular, lightweight convertible car seat known for its affordability and high safety ratings.

Q: What should I consider when choosing a travel car seat?

A: When choosing a travel car seat, consider factors such as portability, weight, safety features, and compatibility with travel accessories like travel bags.

Q: What is the best infant car seat for frequent travelers?

A: The best infant car seat for frequent travelers is one that is lightweight, easily portable, and meets safety standards for air travel.

Q: Can a lightweight convertible car seat be used on an airplane?

A: Yes, many lightweight convertible car seats are approved for use on airplanes, providing a convenient option for traveling families.

Q: How can I travel with a car seat without a base?

A: You can travel with a car seat without a base by using it with a seatbelt installation, particularly in situations where the base is not needed or is not compatible with the travel arrangement.

Q: What are the best practices for using a car seat on a plane?

A: When using a car seat on a plane, it’s important to ensure that it is FAA-approved, properly installed, and secured in the airplane seat to ensure the safety of the child during the flight.

Q: Can I use a lightweight convertible car seat as a stroller alternative for travel?

A: While some parents use a lightweight convertible car seat as a stroller alternative for travel, it’s important to ensure that the car seat is suitable for this purpose and meets safety requirements for such use.


Embrace travel freedom with the Cosco Topside Backless Booster and hiccapop UberBoost Inflatable Car Seat. Choose either for effortless car trips, ensuring your child’s safety without the bulk.

These top picks merge security with lightweight convenience, making them must-haves for families on the move. Snag yours today and make every journey a breeze.

About the Author

Tanja is a proud mom to her twins Hailey and Bethany. She has blossomed into motherhood since giving birth, and she spends her time doting on the twins and giving them the best upbringing she possibly can.

She's forever experimenting with new parenting gadgets and baby formulas, and scours parenting blogs to gain insight from other moms.

Why Trust Us

Since 2010, Momtastic has provided millions of parents with a complete guide to raising a family in a healthy home by offering our expert advice on everything from car seats for kids to baking supplies for the kitchen. It takes a village to raise a family, and our experts are here to make sure every parent finds a little bit of that village in us.