The short answer
JetBlue’s carry-on limit is 22 × 14 × 9 in (56 × 36 × 23 cm), including wheels and handles. It is free on standard economy fares.
Your personal item can be up to 17 × 13 × 8 in (43 × 33 × 20 cm) and must fit under the seat in front of you.
JetBlue Main Base: Main Base (formerly Blue Basic) includes a carry-on and a personal item. Bin space is not guaranteed, and bags may be gate-checked free if bins are full.
JetBlue size limits
Drawn to scale. All measurements include wheels, handles and pockets.
Carry-on bag
Overhead bin
- Maximum size
- 22 × 14 × 9 in56 × 36 × 23 cm
- Weight
- No published limit
- Cost
- Free with standard economy
Personal item
Under the seat in front
- Maximum size
- 17 × 13 × 8 in43 × 33 × 20 cm
- Weight
- No published limit
- Cost
- Free on every fare
Will your bag fit JetBlue?
Measure your bag at its widest points. Most carry-on bags are 21–22.5 in tall with wheels.
Rules to know
- JetBlue renamed its fares around July 30, 2026: Main Base, Main, Main Flex, EvenMore, BlueFirst and Mint.
- There is no carry-on weight limit, but you must be able to lift your bag into the bin.
- JetBlue Plus and Premier cardmembers and Mosaic 1 members get the first checked bag free; Mosaic 2–4 get two.
- On transatlantic flights Main and above include the first bag; Base fares pay $80–$90.
- JetBlue raised checked bag fees for bookings made from November 3, 2026; earlier bookings keep the price shown in Manage Trips.
Checking a bag too? See JetBlue Baggage Fees & Policy.
Bags that fit JetBlue
- Best 22x14x9 Carry-On Luggage (Fits Every US Airline)A 22 × 14 × 9 in bag fits JetBlue’s carry-on limit.
- Best Carry-On Travel Backpacks35–45 L travel backpacks built to the carry-on limit.
- Best Personal Item Bags & Backpacks for PlanesSmaller backpacks for JetBlue’s personal item limit.
- Best Underseat LuggageSmall wheeled bags that go under the seat.
JetBlue compared with similar airlines
| Airline | Carry-on | Personal item | Carry-on weight |
|---|---|---|---|
| JetBlue | 22 × 14 × 9 in56 × 36 × 23 cm | 17 × 13 × 8 in43 × 33 × 20 cm | No limit |
| Southwest | 24 × 16 × 10 in61 × 41 × 25 cm | Not publishedMust fit under the seat | No limit |
| Alaska Airlines | 22 × 14 × 9 in56 × 36 × 23 cm | Not publishedMust fit under the seat | No limit |
| United | 22 × 14 × 9 in56 × 35 × 23 cm | 17 × 10 × 9 in43 × 25 × 22 cm | No limit |
Every airline in one chart: Carry-On Luggage Size by Airline (Master Chart).
Frequently asked questions
What is the JetBlue carry-on size limit?
22 × 14 × 9 in (56 × 36 × 23 cm) including wheels and handles. JetBlue has no published carry-on weight limit for most routes; you must be able to lift it into the bin.
What size personal item is allowed on JetBlue?
Up to 17 × 13 × 8 in (43 × 33 × 20 cm). It must fit under the seat in front of you.
Is a carry-on free on JetBlue?
Yes, on standard economy fares and above. JetBlue Main Base: Main Base (formerly Blue Basic) includes a carry-on and a personal item. Bin space is not guaranteed, and bags may be gate-checked free if bins are full.
Is a backpack a personal item on JetBlue?
Yes, if it fits within 17 × 13 × 8 in. A large travel backpack may count as your carry-on instead. More on backpacks.