- Go to FlyFrontier.com or open the FlyFrontier app and search for your flight during initial booking, or go to 'Manage Trip' after booking.
- On the Manage Trip page or booking flow, enter your Last Name and Confirmation Code to retrieve your reservation.
- Click Search to load your booking details.
- Select 'Add Baggage' and choose the carry-on or checked bag option you need.
- Complete payment using a credit or debit card to confirm the purchase.
- You will receive a confirmation email with the updated itinerary including the purchased baggage.
Prices
Dynamic pricing based on route, travel dates, and purchase timing. Use the Bag Price Checker for exact amounts.
- Standard checked bagSee official pricing
- Price depends on route, travel dates, and when purchased (during booking, before check-in, at check-in, at airport kiosk, at boarding gate, or through customer support).
- Use the Bag Price Checker at FlyFrontier.com/optional-services with your Last Name and Confirmation Code for the exact price.
- Maximum size: 62 linear inches (length + width + depth); maximum weight: 40 lbs (18.1 kg).
- All prices are per person, per direction and non-refundable.
Carry-on bags are a paid add-on. Dynamic pricing by route and purchase timing.
- Carry-on bagSee official pricing
- Price depends on route, travel dates, and when purchased.
- Use the Bag Price Checker at FlyFrontier.com/optional-services for the exact price.
- Maximum size: 10"D x 16"W x 24"H including handles, wheels and straps; maximum weight: 35 lbs.
- Free for all Elite members and active duty military passengers.
- All prices are per person, per direction and non-refundable.
Fixed overweight fees apply to checked bags exceeding 40 lbs.
| Label | Amount | Notes |
|---|---|---|
| 41–50 lbs (18.2–22.7 kg) | $75 per bag, per direction |
|
| 51–99.99 lbs (23.1–45.4 kg) — bookings before Apr 4, 2026 | $100 per bag, per direction |
|
| 51–99.99 lbs (23.1–45.4 kg) — bookings on/after Apr 4, 2026 | $129 per bag, per direction |
|
Fixed oversized fee for checked bags exceeding 62 linear inches but not exceeding 110 linear inches.
- 63–110 linear inches$75 per bag, per direction
- Bags larger than 110 linear inches will not be accepted (except assistive devices).
- Non-refundable charge applies per bag, per direction.
Fixed pricing for special items such as bicycles and antlers.
| Label | Amount | Notes |
|---|---|---|
| Antlers | $100 per bag, per direction |
|
| Bicycle — bookings on/before May 28, 2026 | $75 per bag, per direction |
|
| Bicycle — bookings on/after May 29, 2026 | $100 per bag, per direction |
|
Purchasing bags at the airport is more expensive than buying online in advance.
- Online purchase tiersSee official pricing
- Prices vary by purchase timing: During Booking (web/app), Before Check-In (web/app), At Check-In (web/app), At Airport Kiosk/Ticket Counter, At Airport Boarding Gate, Customer Support Agent.
- Prices are typically higher at the airport, so it is best to purchase baggage in advance online or via the app.
- A service charge of up to $25 per person per direction applies to all agent-assisted transactions.