Personal-item bag · 16.5 × 11.8 × 5.9 in (41.9 × 30 × 15 cm)
Fits 3.8 cm (1.5 in) to spare on the length
Allegiant Air carry-on and personal item size
Checked against Allegiant Air's baggage page on 5 October 2026
Personal item (under the seat)
18 × 14 × 8 in45 × 35 × 20 cm
Carry-on (overhead bin)
22 × 16 × 10 in55 × 40 × 25 cm
Will your bag fit Allegiant Air?
Personal item. Free on every fare. Purse, briefcase or small backpack stored fully under the seat in front. Measurements include wheels and handles. Oversized items pay airport bag fees.
Carry-on. Not included on All fares. Wheels and handles count. Paid on every fare ($10 to $75, by route and when added; higher at the airport). Must fit in the overhead bin. No weight limit stated.
What each Allegiant Air fare includes
| Fare | Personal item | Carry-on | Notes |
|---|---|---|---|
| All fares | Included | Paid extra | Carry-on bag $10.00 to $75.00 per segment depending on route and timing; one personal item free. |
Will a standard carry-on fit Allegiant Air?
The most common US carry-on size is 22 × 14 × 9 in (56 × 36 × 23 cm, wheels included). On Allegiant Air it just fits, with under 1 cm to spare. The common European cabin size, 55 × 40 × 20 cm, is right at the limit.
Allegiant Air's carry-on allowance holds about 58 litres. Only 15 of the 151 airlines we track have a bigger one, so most carry-on suitcases sold today will pass.
Bags that fit Allegiant Air
We checked 1,046 bags with published sizes. 249 fit the personal-item size with at least 1 cm to spare on every side, and another 210 are within a centimeter. 763 fit the carry-on size comfortably.
Personal item
Personal-item bag · 16.5 × 11.8 × 5.9 in (41.9 × 30 × 15 cm)
Fits 3.8 cm (1.5 in) to spare on the length
Personal-item bag · 15.4 × 12.6 × 5.9 in (39.1 × 32 × 15 cm)
Fits 3.6 cm (1.4 in) to spare on the width
Personal-item bag · 15.6 × 12.2 × 7.5 in (39.6 × 31 × 19.1 cm)
Fits 1.3 cm (0.5 in) to spare on the depth
Carry-on
Carry-on suitcase · 19.1 × 12.8 × 8.9 in (48.5 × 32.5 × 22.6 cm)
Fits 2.8 cm (1.1 in) to spare on the depth
Carry-on suitcase · 21.9 × 15 × 9.1 in (55.6 × 38.1 × 23.1 cm)
Tight 0.3 cm (0.1 in) to spare on the length
Carry-on suitcase · 22 × 14.4 × 9.1 in (55.9 × 36.6 × 23.1 cm)
Tight exactly at the limit on the length
Carry-on suitcase · 22 × 14.4 × 9.1 in (55.9 × 36.6 × 23.1 cm)
Tight exactly at the limit on the length
All bags that fit Allegiant Air →
If your bag is too big at the gate
Oversized personal items and oversized or excess carry-ons are charged an at-airport baggage fee of $50.00 to $75.00; gate-checked bags $0.00 to $75.00. Source
Power banks on Allegiant Air
The airline doesn’t say whether you can use a power bank on board. Power banks up to 100 Wh go in the cabin. Limit: 20 per passenger. Never in checked bags. Spare lithium batteries incl. power banks: carry-on only, under 100 Wh each, up to 20; over 160 Wh forbidden. No in-flight use or overhead-bin rule found.
Work out your power bank's watt-hours · Power bank rules on every airline
Worth knowing
- Carry-on bags are never free on Allegiant; only the personal item is.
- All exterior measurements include wheels, pockets, handles and decorations.
- Bags are priced by route, per segment; airport prices are higher.
- Smart bags in the cabin must have a battery of no more than 100 Wh.
Airlines with similar limits
- Iberia: 56 × 40 × 25 cm
- LEVEL: 56 × 40 × 25 cm
- Iberia Express: 56 × 40 × 25 cm
- Air Nostrum (Iberia Regional): 56 × 40 × 25 cm
Allegiant Air bag questions
What size is the Allegiant Air personal item?
Allegiant Air's free personal item can be up to 18 × 14 × 8 in (45 × 35 × 20 cm). Purse, briefcase or small backpack stored fully under the seat in front. Measurements include wheels and handles. Oversized items pay airport bag fees.
How big can an Allegiant Air carry-on be?
Up to 22 × 16 × 10 in (55 × 40 × 25 cm). Wheels and handles count toward the size.
Does every Allegiant Air fare include a carry-on?
No. All fares: this fare includes only the personal item; the bigger bag costs extra or isn't allowed.
Which bags fit Allegiant Air's limits?
Of the 1,046 bags we track, 249 fit the personal-item size with at least 1 cm to spare and 763 fit the carry-on size. See the list.
Can I take a power bank on Allegiant Air?
Yes, in your cabin bag only. The airline doesn’t say whether you can use a power bank on board. Power banks up to 100 Wh go in the cabin. Limit: 20 per passenger. Never in checked bags.
Sources. baggage policy page · optional services and fees · restricted items page · restricted articles PDF. Rules checked 5 October 2026. Some details the airline doesn’t publish are marked as such above. Airline staff have the final say at the gate. Spotted a change? Tell us.
Will This Bag Fit is independent and not affiliated with Allegiant Air.