If you’re flying with JetBlue in 2025, you’ll want to pay close attention to their carry-on rules. JetBlue has always had a pretty solid reputation — comfy seats, extra legroom, free Wi-Fi, and complimentary snacks — but when it comes to baggage, things can get a little tricky, especially if you’re booking the lowest fare class.
In this guide, I’ll walk you through exactly what you can (and can’t) bring on board with JetBlue. From carry-on dimensions to the new restrictions for Blue Basic fares, we’ll cover it all — plus some tips on how to pack smart so you avoid those unexpected gate fees.
JetBlue Carry-On Bag Policy
For most JetBlue fares, the carry-on rules are straightforward:
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Maximum size: 22″ x 14″ x 9″ (56 x 36 x 23 cm), including wheels and handles.
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Must fit in the overhead bin.
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Allowed with all fare types except Blue Basic (domestic).
That last part is important. If you’re flying on a Blue, Blue Plus, Blue Extra, Mint, or Mosaic fare, you can bring both a carry-on and a personal item for free. But if you’re flying on Blue Basic, things are different (more on that in a moment).
JetBlue Personal Item Rules
No matter which fare you book, you’re always allowed one personal item.
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Maximum size: 17″ x 13″ x 8″ (43 x 33 x 20 cm).
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Must fit under the seat in front of you.
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Examples: backpack, purse, briefcase, or laptop bag.
The personal item rule applies even if you’re flying Blue Basic. So if you’re going ultra-light, you can still board with just a personal bag.
Carry-On Weight Restrictions
JetBlue doesn’t publish a weight limit for carry-on or personal items. The only real requirement is that you can lift your carry-on into the overhead bin yourself.
This is pretty traveler-friendly, especially compared to some international airlines that limit carry-on weight to just 7–10 kg.
Blue Basic Fare Restrictions
Here’s where things get tricky.
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Blue Basic fares (domestic): No free carry-on bag is allowed. You only get a personal item.
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If you bring a carry-on to the gate on a Blue Basic ticket, you’ll have to gate-check it — and pay a fee that’s usually around $65–$80.
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Exception: On transatlantic Blue Basic fares, you are allowed one carry-on plus a personal item, since overhead space is needed for long-haul flights.
This makes JetBlue’s Blue Basic fare similar to United’s Basic Economy, where you can’t bring a full-size carry-on unless you pay more. It’s one of those “hidden restrictions” that can catch travelers off guard.
JetBlue Checked Bag Policy (Quick Overview)
Even though this article is focused on carry-ons, it’s worth knowing what JetBlue charges for checked bags:
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First checked bag: $35 (domestic routes).
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Second checked bag: $45.
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Additional bags: $150 each.
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Overweight bags (51–100 lbs): $150.
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Oversize bags (63–80 linear inches): $150.
There are some exceptions:
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JetBlue Plus cardholders get their first checked bag free.
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Mosaic elites and Mint passengers also get free checked bags.
Compared to other major U.S. airlines, JetBlue’s fees are pretty much standard. The big difference is that Southwest still gives you two checked bags free (for now), which makes them stand out.
How Strict is JetBlue with Carry-Ons?
JetBlue isn’t overly strict about carry-on dimensions, as long as your bag looks like it’ll fit in the overhead bin. But they are very strict about enforcing the Blue Basic restrictions.
If you try to sneak a carry-on onto a Blue Basic domestic flight, odds are you’ll get stopped at the gate and forced to pay. Frequent flyers report that gate agents don’t let this one slide — JetBlue makes it clear in their terms that Blue Basic is personal-item-only.
If you’re flying on a regular fare, enforcement is more relaxed. As long as your bag isn’t absurdly oversized, you’ll usually be fine.
Packing Tips for JetBlue Flights
Want to avoid baggage drama? Here are some smart packing strategies:
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Double-check your fare type. If you booked Blue Basic, plan on personal item only unless you’re flying transatlantic.
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Maximize your personal item. A roomy backpack can fit a surprising amount if you pack efficiently.
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Use compression cubes. They make a huge difference in squeezing more into smaller bags.
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Wear bulky items. Jackets, boots, and hoodies take up a lot of space in luggage — wear them on the flight instead.
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Go soft-sided. Soft backpacks or duffels fit better under seats and in overhead bins than rigid bags.
Recommended Luggage for JetBlue ✈️
If you’re shopping for bags that work perfectly with JetBlue’s rules, here are some solid picks:
For standard JetBlue fares (carry-on + personal item allowed):
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Amazon Basics 21″ Hardside Spinner (budget-friendly)
For Blue Basic fares (personal item only):
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Matein Travel Laptop Backpack (budget option)
These options all meet JetBlue’s published size limits and are traveler-tested.
FAQs About JetBlue Carry-On Rules
Does JetBlue allow free carry-on bags?
Yes, but not on Blue Basic domestic fares.
Can I bring a personal item and a carry-on on JetBlue?
Yes, except if you booked Blue Basic domestic. Then it’s personal item only.
Does JetBlue weigh carry-on bags?
No.
What happens if I bring a carry-on with Blue Basic?
It’ll be gate-checked and you’ll pay a fee ($65–$80).
Do diaper bags count toward the allowance?
No, diaper bags are allowed in addition to your personal item.
Final Thoughts
JetBlue is a comfortable and generally customer-friendly airline, but their baggage policy comes with some fine print. If you’re flying on a standard fare, you’ll have no problem bringing both a carry-on and a personal item. But if you book Blue Basic for a domestic flight, be prepared to travel light — it’s personal item only, unless you want to pay a hefty fee at the gate.
The takeaway? Always check your fare class before you pack. Knowing the difference between Blue Basic and standard fares can save you both money and stress. And if you’re investing in new luggage, pick something that works across all airlines so you’re always prepared.