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Frontier Airlines Carry-On Rules

Frontier Airlines carry-on rules at a glance: cabin bag up to 55.9×35.6×22.9 cm, No limit, and personal item status: Included.

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cabin bag
55.9×35.6×22.9 cm
weight
No limit
personal item
Included
Higher caution editorial signal

Carry-on allowance

Cabin bag size
55.9×35.6×22.9 cm
Cabin bag weight
No limit
Bags allowed
1
Personal Item
45.7×35.6×20.3 cm

22×14×9 in. Carry-on requires purchase — NOT free on base fare.

How to use this policy

Start with the cabin bag row, then check the weight and personal-item rows separately. A bag has to pass every published limit at once; being under the length and width limit does not help if the depth, weight, or fare-specific allowance is tighter.

Frontier Airlines cabin bag size & weight

Frontier Airlines cabin bag specifications
Dimensions55.9×35.6×22.9 cm(22×14×9 in)

Measure the full external bag size, including wheels and handles.

Weight limitNo weight limit stated
Bags allowed1 cabin bag
Includes wheels/handlesYes
Personal Item45.7×35.6×20.3 cm max
Note22×14×9 in. Carry-on requires purchase — NOT free on base fare.

Frontier Airlines allowances by cabin class

Basic Economy

45.7×35.6×20.3 cm

Frontier Airlines baggage fees

Frontier Airlines baggage fee structure
Fee typePre-paid onlineAt the gate
Additional cabin bag39 USD99 USD

Frontier Airlines 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 child free. No baggage.

Stroller

Free gate-check.

Car seat

Free gate-check.

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Frequently asked questions

What is the Frontier Airlines cabin bag size?

Frontier Airlines allows a cabin bag up to 55.9×35.6×22.9 cm (22×14×9 in). Dimensions include wheels and handles.

Does Frontier Airlines have a weight limit for carry-on?

Frontier Airlines does not publish a cabin bag weight limit, but staff may use discretion.

Does Frontier Airlines allow a personal item?

Yes. Frontier Airlines allows a personal item up to 45.7×35.6×20.3 cm. It must fit under the seat in front of you.

How strict is Frontier Airlines about bag size?

Frontier Airlines has higher caution enforcement. Editorial signal only. Leave margin instead of relying on discretionary gate behavior.

Rules can change. Always verify with Frontier Airlines before flying.