Frontier Airlines Carry-On Rules
US ultra-LCC. Only personal item free; carry-on ($39+) must be purchased. Strict enforcement.
Carry-on allowance
- Cabin bag size
- 56×36×23 cm
- Cabin bag weight
- No limit
- Bags allowed
- 1
- Personal item
- 46×36×20 cm
22×14×9 in. Carry-on requires purchase — NOT free on base fare.
Cabin Bag Details
| Dimensions | 56×36×23 cm(22×14.2×9.1 in) |
|---|---|
| Weight limit | No weight limit stated |
| Bags allowed | 1 cabin bag |
| Includes wheels/handles | Yes |
| Personal item | 46×36×20 cm max |
| Note | 22×14×9 in. Carry-on requires purchase — NOT free on base fare. |
Allowances by Cabin Class
Basic Economy
46×36×20 cm
Fees
| Fee type | Pre-paid online | At the gate |
|---|---|---|
| Additional cabin bag | 39 USD | 99 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 child free. No baggage.
Stroller
Free gate-check.
Car seat
Free gate-check.
Enforcement
Strict
Sizer boxes used at gate. Nearly always enforced — bag must comply.
Frontier enforces carry-on bag purchase at gate. Sizer boxes used. Passengers caught with unpurchased carry-ons charged gate price.
Frequently asked questions
What is the Frontier Airlines cabin bag size?
Frontier Airlines allows a cabin bag up to 56×36×23 cm (22×14.2×9.1 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 46×36×20 cm. It must fit under the seat in front of you.
How strict is Frontier Airlines about bag size?
Frontier Airlines has strict enforcement. Sizer boxes used at gate. Nearly always enforced — bag must comply. Frontier enforces carry-on bag purchase at gate. Sizer boxes used. Passengers caught with unpurchased carry-ons charged gate price.
Rules can change. Always verify with Frontier Airlines before flying.