Frontier Airlines baggage fees and fare rules

IATA: F9

Updated: 2025-12-22

Answer-first summary

Carry-on allowance

The published cabin baseline is one personal item included at USD 0, while a full-size carry-on is chargeable and varies by route and purchase timing.

Personal item rules

The published personal-item row states that the item must fit under the seat in front of the passenger.

Checked bag baseline

Published checked-bag pricing varies by route and purchase timing and is not included by default.

Notable restrictions

Basic Fare and Standard rows show a timed change-fee ladder and a USD 99 cancellation fee, while Economy, Premium, and Business bundles are the published products with no change or cancellation fee.

Core fee breakdown

Published rows below are grouped by fee type and retain the route, fare, and timing limits shown in this dataset.

Carry-on rules

See also the broader carry-on fee reference.

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	0.00 USD	per flight	One personal item included; must fit under the seat in front of you	Source
All fares	All routes	Varies USD	per flight	Carry-on bag fee varies based on purchase timing (booking, online check-in, airport, or gate)	Source

Personal item rules

The published personal-item row states that the item must fit under the seat in front of the passenger.

Checked baggage fees

See also the checked baggage fee reference. For a side-by-side baseline comparison, review Spirit Airlines, Southwest Airlines.

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	Varies USD	each way	Checked bag fee varies by purchase timing and route	Source

Overweight baggage

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	75.00 USD	each way	Bags weighing 41–50 lbs (19–23 kg)	Source
All fares	All routes	100.00 USD	each way	Bags weighing 51–100 lbs (23–45 kg); bags over 100 lbs not accepted	Source

Oversized baggage

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	75.00 USD	each way	Bags measuring 63–110 linear inches (160–279 cm); bags over 110 inches not accepted	Source

Seat and fare-related fees

See also the seat selection fee reference.

No dedicated seat-selection row is published in the current dataset for this airline page.

Change and cancellation references

For cancellation, significant schedule change, and refund timing rules in U.S. markets, see the U.S. DOT refund rules reference.

Applies to	Region / route	Amount	Timing	Conditions	Source
Basic Fare / Standard	All routes	0.00 USD	60+ days before departure	Change flight fee (Basic Fare / Standard): 60+ days before departure	Source
Basic Fare / Standard	All routes	49.00 USD	59 to 7 days before departure	Change flight fee (Basic Fare / Standard): 59 to 7 days before departure	Source
Basic Fare / Standard	All routes	99.00 USD	6 days or less before departure	Change flight fee (Basic Fare / Standard): 6 days or less before departure (including same-day)	Source
Economy / Premium / Business bundle	All routes	0.00 USD	any time before departure	Change flight fee: no change fees at any time	Source
Basic Fare / Standard	All routes	99.00 USD	before departure	Cancel flight fee (Basic Fare / Standard): per passenger, per direction	Source
Economy / Premium / Business bundle	All routes	0.00 USD	before departure	Cancel flight fee: no cancellation fee	Source

Fare-class behavior

Basic Fare / Standard

Published change pricing is USD 0 at 60 or more days before departure, USD 49 from 59 to 7 days before departure, and USD 99 at 6 days or less before departure. The published cancellation fee is USD 99 per passenger, per direction.

Economy / Premium / Business bundle

The published change and cancellation rows list no fee at any time before departure.

Personal-item-only travel

The published cabin baseline includes one personal item at USD 0.

Paid carry-on and checked-bag products

The published bag rows state that carry-on and checked-bag pricing varies by route and purchase timing.

Real-world scenarios

Traveling with only a personal item

The published amount is USD 0 for one personal item carried under the seat.

Checking one standard bag

The published checked-bag row states that pricing varies by route and purchase timing.

Checking an overweight bag

Published overweight pricing is USD 75 each way for 41-50 lbs and USD 100 each way for 51-100 lbs.

Changing a Basic Fare itinerary close to departure

Published change pricing is USD 99 at 6 days or less before departure, including same-day changes.

When fees may not apply

Economy, Premium, and Business bundles show no published change fee and no published cancellation fee.
Basic Fare and Standard show a published USD 0 change amount when the request is made 60 or more days before departure.

Compare with other airlines

Comparison links below are limited to airlines with closely related fee structures or booking models.

Spirit Airlines Southwest Airlines

Legal Disclaimer

• Information subject to change without notice.

• This site is an independent reference and is not affiliated with any airline.

• Fees are documented only from verifiable, airline-published sources.

Database ID: frontier

This reference page reflects only the published rows included in the current dataset and their linked source documents.