Traveling with a baby already comes with plenty things to think about, and if you’re wondering: does a diaper bag count as a carry-on?
The short answer is no most airlines will not count a diaper bag as carry-on or personal item when you’re traveling with an infant or young child, they will let you bring it for free.
In this post, I will cover everything you need to know about bring a diaper bag on planes, when it counts as your carry-on, what you can pack inside, and how different airlines handle diaper bags.
Let’s dive right in.
TL;DR
- Most airlines will not count a diaper bag as your carry-on or personal item when you’re traveling with an infant or young child.
- You can usually bring one diaper bag per child in addition to your regular baggage allowance.
- Pack only your baby’s essentials, such as diapers, wipes, bottles, formula, breast milk, baby food, snacks, and extra clothes.
- If you’re not traveling with a child, the airline will usually count your diaper bag as your personal item or carry-on.
- Airline policies vary, so always check your airline’s baggage rules before you fly.
Do Diaper Bags Count As a Carry-on Or Personal Item?
To know the answer, first you need to know the difference between a carry-on and a personal item.
A personal item can be placed under the seat in front of you, and most airlines allow it free of charge.
A carry-on, on the other hand, most of the time will not fit under the seat.
It is the bag that you can take on board and place in the overhead bin.
Some passengers use small suitcases, duffel bags, and even large backpacks.
However, a small diaper bag will not be considered a carry-on, and most airlines count it as an additional item when traveling with a baby.
If you are not traveling with an infant, then it will be considered either your main carry-on or your personal item.
What Size Should a Diaper Bag To Be Considered a Carry-On?
Generally, size limits differ from one airline to another.
But if you are traveling with an infant, then you don’t have to worry too much about the size of your diaper bag, as long as it is a small bag.
It still needs to fit under the seat in front of you or in the overhead bin.
When not traveling with a child, most airlines will count your diaper bag as a carry-on if it is approximately 22 × 14 × 9 inches, and as a personal item if it is approximately 18 × 14 × 8 inches (45 × 35 × 20 cm) (this is the standard size for U.S. airlines).
However, it is preferable to always travel with a diaper bag that fits perfectly underneath the seat in front of you.
Can You Bring Two Diaper Bags on a Plane?
Most airlines allow only one diaper bag per child, in addition to other items such as a soft-sided cooler bag with breast milk, child safety seats, strollers, and medical or mobility devices.
All of these items generally do not count as a personal item or carry-on.
Which One Is Better For Traveling a Diaper Bag Or a Regular Bag?
Traveling with toddler essentials in a regular bag may seem normal, but it is not as organized, especially if your little one is screaming and you need to find something quickly.
When traveling with baby items, diaper bags are usually more convenient. You can carry one over your shoulders or across your body.
In addition, diaper bags have beautifully designed and practical compartments to organize your baby’s essentials, including mesh pockets, parent pockets, and tissue pockets.
Do Airlines Consider a Diaper Bag As a Carry-on?
| Airline | Free Diaper Bag? | Counts as Carry-on? | Extra Baby Items Allowed |
|---|---|---|---|
| Delta | Yes | No | Stroller, car seat |
| American | Yes | No | Breast pump, stroller |
| United | Yes | No | Car seat, breast pump |
| Southwest | Usually counts as carry-on | Yes | Depends on fare |
| JetBlue | Yes | No | Stroller, car seat |
| Alaska | Yes | No | Baby gear |
| Spirit | Depends | Usually yes | Limited |
| Frontier | Depends | Usually no for infant | Baby gear |
Best Diaper Bag Backpacks
| Diaper Bags | Details |
|---|---|
 | 8 in 1 Diaper Bag with Changing Station, PaurFu Waterproof Diaper Baby Bag for Boy Girl, with Foldable Bassinet Bed, Unique Mosquito Net Sunshade,Soft Baby Pillow and USB Charge Port etc (Black) |
 | Diaper Bag Backpack, RUVALINO Multifunction Travel Back Pack Maternity Baby Changing Bags, Large Capacity, Waterproof and Stylish, Gray |
 | Diaper Bag Backpack, BabbleRoo Baby Nappy Changing Bags Multifunction Waterproof Travel Back Pack with Changing Pad & Stroller Straps & Pacifier Case, Unisex and Stylish (Dark Gray) |
 | Columbia 44-27177-09-70 Carson Pass Backpack Diaper Bag – Large, Black |
 | RAMHORN Diaper Bag Backpack Multifunctional Travel Back Pack Maternity Baby Changing Bags Waterproof Large Capacity For Baby Care Army Green |
 | Freshly Picked Women’s Convertible Classic Diaper Bag Backpack |
 | Diaper Bag Backpack, Hafmall Baby Diaper Bag with Stroller Hooks for Mom Dad, Multifunctional Nappy Bag for Boys Girls, Stylish Travel Mommy Bag (Plaid) |
 | Diaper Bag Backpack, Hafmall Large Baby Diaper Bag with Stroller Hooks, Multifunctional Travel Nappy Bag, Stylish & Waterproof, Gray Black |
 | Diaper Bag Backpack Frank Mully Large Multifunction Travel Baby Bag for Mom Dad. |
Final Thoughts
Diaper bags are great travel companions, they are easy to carry and use, especially if you are traveling with a large amount of baby items, and in most cases, you can bring one diaper bag for free when traveling with a baby.
Make sure it is small enough to fit under the seat, pack only baby essentials, and take a look at your airline policy before heading to the airport.
If you’re flying without your child, expect the diaper bag to count as a normal cabin bag.
If you’re looking for a diaper bag that will fit on almost any airline, try to choose one with total dimensions under 40 inches, or even 35 inches.
This gives you a better chance of meeting the size limits across different airlines (see the table above).
I hope this helps
Happy travels.
FAQs about diaper bags as carry-on
Can You Bring a Diaper Bag for Free on a Plane?
Most airlines will let you have one diaper bag for free when you’re traveling with an infant. Always check your airline’s baggage policy before your flight because some airlines have different rules.
What Can You Pack in a Diaper Bag for a Flight?
Pack anything your baby will need during the trip. That usually includes diapers, wipes, bottles, formula, breast milk, baby food, snacks, extra clothes, a pacifier, toys, and any medications your child needs.
Can You Bring Formula, Breast Milk, and Baby Food in a Diaper Bag?
You can pack formula, breast milk, toddler drinks, and baby food in your diaper bag. TSA allows these items in reasonable amounts, even if they exceed the usual liquid limit. Just let the TSA officer know before your bag goes through screening.
Does TSA Check Diaper Bags?
The TSA screens diaper bags just like any other carry-on bag. If you’re carrying formula, breast milk, or baby food, tell the TSA officer before screening so they can inspect those items if needed.
Does a Diaper Bag Have to Be a Real Diaper Bag?
You can use a regular backpack, tote bag, or any small bag instead. Most airlines care more about what’s inside the bag than what the bag looks like.
Can You Bring a Diaper Bag Without Your Baby?
If you’re not traveling with an infant or young child, the airline will usually count your diaper bag as your personal item or carry-on bag.
Where Should You Store a Diaper Bag on the Plane?
Keep your diaper bag under the seat in front of you whenever possible. That way, you can quickly grab diapers, bottles, snacks, or toys during the flight. If it’s too large, you may need to place it in the overhead bin.
Does a Baby Get Their Own Carry-on Bag?
Usually not. Most lap infants don’t receive their own carry-on allowance. However, many airlines still let you bring one diaper bag and other baby items, such as a stroller or car seat, at no extra charge.
Can You Use a Diaper Bag as Your Personal Item?
If you’re not traveling with a baby, your diaper bag counts just like any other bag. Depending on its size, the airline will count it as either your personal item or your carry-on.
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