Jan 12, 2025 · Join FRONTIER Miles FRONTIER Miles is the most rewarding loyalty program in the sky! Join for free and get rewarded for flying Frontier with exclusive benefits. Learn More

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.

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.

Except for bundles, additional travel services, such as baggage and advance seat assignments are available for purchase separately at an additional charge. In addition to these Terms and Conditions, …

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 …

Save time and money with the Frontier mobile app. Use the Frontier mobile app to book and manage travel, check-in, and get your boarding pass quickly and easily.

• Unaccompanied minors may travel on any Frontier nonstop flight, including international flights. • Unaccompanied minors cannot be booked on connecting itineraries or on flights that make a stop …

Make the most of your travel by earning miles and points for every dollar spent on Frontier. Join for free and get rewarded for flying Frontier with exclusive benefits and FREE* flights!

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.

Don’t wait to enjoy the Caribbean sun or Mexico’s flavors when you book your flights from Denver (DEN), Philadelphia (PHL) or Chicago (ORD) with Frontier Airlines.