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As Home of Low Fares Done Right, find great deals and cheap flights to destinations all over North America.
Fly away with Frontier and enjoy our low fares to great places. Save a bundle when you get the WORKS℠ and earn miles towards your next trip with us!
Know Before You Go. The earlier you book the more you save. Bags cost more at the airport. Bags must be checked in 60 minute before departure. Find carry-on and checked bag prices. There is no charge for a personal item. Bag must be no larger than 14”X18”x8”. More Info.
Frontier is America's Greenest Airline. Our weight-saving tactics and modern, fuel-efficient fleet contribute to an average of 43% fuel savings compared to other U.S. Airlines. LEARN MORE
Find the cheapest fares from United States with Frontier Airlines and book your next adventure now! Enjoy priority boarding when you get THE WORKS℠.
For all travelers, other than Costa Rican citizens, a ticket for onward or return travel is mandatory. This can be an airline, cruise ship, train ticket, etc. A visa will be required for stays over 90 days.
Need Help With An Existing Trip? Save time and money by managing your trip in the Frontier app or use our customer self-service tool below! Whether you need to book, change or cancel your trip, add baggage, or choose your seat, we are here to help.
