Allegiant Air Hand Luggage
Allegiant Air hand luggage: size & weight limits
Allegiant Air allows a cabin bag of 56 × 41 × 25 cm (22 × 16 × 10 in), with no fixed weight limit — but only for a fee. The free under-seat bag can measure up to 46 × 36 × 20 cm (18 × 14 × 8 in).
Allowance at a glance
| Bag | Max size | Max weight | Included? |
|---|---|---|---|
| Personal item (under the seat)Free for all passengers; must fit fully under the seat. | 46 × 36 × 20 cm18 × 14 × 8 in | No fixed limit | Included |
| Cabin bag (overhead bin)No published weight limit. | 56 × 41 × 25 cm22 × 16 × 10 in | No fixed limit | Only for a fee |
Worth knowing
- Only the personal item is free — carry-on and checked bags both cost extra.
Allegiant Air: 46 × 36 × 20 cm
Included in the cheapest fare under the stored policy. Check your booking conditions.
Compare bags for Allegiant Air
These models are within the selected limits using published manufacturer dimensions. Check the exact variant and measure your packed bag including handles, wheels, and filled outer pockets.
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Cabin Max Metz 20L RPET
40 × 25 × 20 cm · 0.5 kg empty
Compact backpack. Choose the 20L backpack, not the wheeled hybrid.
Manufacturer detailsFind on Amazon
Osprey Daylite 26+6
43 × 33 × 16 cm · 0.84 kg empty
Dimensions are for the unexpanded 26L mode. Keep the expansion zip closed.
Manufacturer detailsFind on Amazon
Dimensions compared against the stored airline policy; airline acceptance is not guaranteed. Empty weight is not packed weight. Amazon availability and model variants may differ.
Not sure it fits? Enter your bag's dimensions in the size checker →
Figures reviewed 2026-08-09. Always confirm on the official Allegiant Air baggage page
Frequently asked questions
What size cabin bag does Allegiant Air allow?
Allegiant Air's cabin bag limit is 56 × 41 × 25 cm (22 × 16 × 10 in), with no fixed weight limit. It is not included in the basic fare — you get it for a fee.
What is Allegiant Air's personal item size?
The small bag must fit under the seat in front of you and can measure up to 46 × 36 × 20 cm (18 × 14 × 8 in). It is included with every fare.
Is the larger cabin bag free on Allegiant Air?
No. On Allegiant Air the larger cabin bag is available for a fee — only the small under-seat bag is included in the basic fare.
What happens if my bag is too big at the gate?
If your bag doesn't fit the sizer, it is checked into the hold and you pay a gate fee — typically the most expensive way to bring a bag. Measure your bag including wheels and handles before you fly, and check the current rules on Allegiant Air's official baggage page.
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