Book Frontier Airlines Flights
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.
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.
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. 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
Denver (DEN), Las Vegas (LAS), Orlando (MCO), Phoenix (PHX) and Philadelphia (PHL).
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.