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CarrySizer

Allegiant Air Carry-On Rules

US ultra-LCC. Personal item free (40×35×18 cm, 13.6 kg). Carry-on not included — $50+ at gate if not pre-purchased.

Strict enforcement

Carry-on allowance

Cabin bag size
56×36×23 cm
Cabin bag weight
No limit
Bags allowed
None (free)
Personal item
40×35×18 cm

Carry-on NOT included in base fare. Only personal item (40×35×18 cm, 13.6 kg / 30 lb) is free. Carry-on charged $50+ if brought to gate without pre-purchase.

Cabin Bag Details

Allegiant Air cabin bag specifications
Dimensions56×36×23 cm(22×14.2×9.1 in)
Weight limitNo weight limit stated
Bags allowed0 cabin bags
Includes wheels/handlesYes
Personal item40×35×18 cm max
NoteCarry-on NOT included in base fare. Only personal item (40×35×18 cm, 13.6 kg / 30 lb) is free. Carry-on charged $50+ if brought to gate without pre-purchase.

Allowances by Cabin Class

Basic Economy

40×35×18 cm

Up to 13.6 kg

Economy

56×36×23 cm

Fees

Allegiant Air baggage fee structure
Fee typePre-paid onlineAt the gate
Extra checked bag40 USD75 USD
Additional cabin bag35 USD50 USD

Liquids Policy

TSA 3-1-1: containers ≤ 3.4 oz (100 ml) in 1 quart (1L) clear zip-lock bag. One per passenger.

Family & Infants

Infant (under 2)

Lap infant free. No baggage allowance.

Stroller

Free gate-check.

Car seat

Free gate-check.

Enforcement

Strict

Sizer boxes used at gate. Nearly always enforced — bag must comply.

Very strict. Allegiant actively enforces carry-on purchases at gate. Personal item weight limit (30 lb) is unusually high but size is strictly enforced. Gate charges apply without warning.

Frequently asked questions

What is the Allegiant Air cabin bag size?

Allegiant Air allows a cabin bag up to 56×36×23 cm (22×14.2×9.1 in). Dimensions include wheels and handles.

Does Allegiant Air have a weight limit for carry-on?

Allegiant Air does not publish a cabin bag weight limit, but staff may use discretion.

Does Allegiant Air allow a personal item?

Yes. Allegiant Air allows a personal item up to 40×35×18 cm. It must fit under the seat in front of you.

How strict is Allegiant Air about bag size?

Allegiant Air has strict enforcement. Sizer boxes used at gate. Nearly always enforced — bag must comply. Very strict. Allegiant actively enforces carry-on purchases at gate. Personal item weight limit (30 lb) is unusually high but size is strictly enforced. Gate charges apply without warning.

Rules can change. Always verify with your airline before flying.

Additional notes

Allegiant charges for almost every service. Bundle deals (Allegiant Extra, Trip Flex) include carry-on and other benefits — compare total cost before booking.