About Frontier Airlines
Frontier Airlines is an ultra-low-cost U.S. carrier offering low base fares across a growing domestic network, with optional add-ons for bags and seats. Compare Frontier fares and book with Tripobiz.
- IATA codeF9
- Airline typeUltra-low-cost
- Main hubs5 US hubs
- NetworkDomestic
Baggage Allowance
Frontier uses an ultra-low-cost model where the base fare is low and carry-on bags, checked bags and seat selection are usually paid extras.
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Carry-on bags
Usually a paid extra on top of the base fare.
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Checked bags
Usually a paid extra on top of the base fare.
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Seat selection
Usually a paid extra on top of the base fare.
Tip: Add bags during booking to save versus the airport.
Check-in & Booking
Frontier check-in opens 24 hours before departure. Because add-ons affect the final price, search your dates on Tripobiz and compare the full fare before you book.
Main Hubs & Routes
- DENDenver
- LASLas Vegas
- MCOOrlando
- PHXPhoenix
- PHLPhiladelphia
Tips for Booking Frontier Airlines
- Pay for bags online — airport bag fees are much higher.
- The Works or bundles can be cheaper than buying add-ons separately.
- Travel light to keep the ultra-low fare low.
Note: Fares, baggage rules and schedules are set by the airline and can change at any time. Always check your fare conditions before you book.