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Allegiant Air carry-on size, weight & fees

🇺🇸 United States

Ultra-low-cost: personal item free, carry-on is a paid add-on. Buy it during booking — airport prices are higher.

Carry-on size
22 × 16 × 10 in56 × 41 × 25 cm
Wheels and handles included
Weight limit
No published weight limit
Personal item
18 × 14 × 8 in (45 × 35 × 20 cm) — the only free bag
Carry-on fee
Paid — only the personal item is free

⚠️ What security allows ≠ what your fare allows

TSA and CATSA do not care how big or heavy your bag is — that is Allegiant Air’s call. Measure your bag before you leave: gate-check fees are always more expensive than prepaying. Not sure an item can fly at all? Check the item rules.

Allegiant Air baggage FAQs

What is the Allegiant Air carry-on size limit?

Allegiant Air allows a cabin bag up to 22 × 16 × 10 inches (56 × 41 × 25 cm), including wheels and handles.

How many bags can I bring on Allegiant Air?

On base fares, one: only the personal item is free. The overhead carry-on is a paid add-on.

Does Allegiant Air charge for a carry-on bag?

Yes — Allegiant Air includes only the personal item free; a full carry-on is a paid add-on (cheapest when prepaid online).

Does Allegiant Air have a carry-on weight limit?

No published weight limit

Last verified:

Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →

What to double-check on Allegiant Air

Security rules are identical on every US flight — but these items behave differently depending on Allegiant Air's bag size, weight, or item-count policy: