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As Home of Low Fares Done Right, find great deals and cheap flights to destinations all over North America.
Frontier Airlines makes the sky for everyone with its Low Fares Done Right. With over 100 destinations and a route network that connects people to all corners of the country. Frontier enables people to go places they never expected, whether to our main hub in Denver or to our international locations in Mexico, Puerto Rico, Jamaica, Guatemala ...
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
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.
Search for a Frontier Airlines round-trip, or one-way flight. You choose from destinations in the U.S., Mexico, Canada, Puerto Rico, Jamaica, or Dominican Republic to find a flight that fits your schedule.
For most flights, you can check in on the Frontier app starting 24 hours before your flight's scheduled departure time. You must have your boarding pass and have any bags checked in by the below cutoff times before departure: 60 minutes (domestic flights) 60 minutes (international flights)
