Frontier Airlines is a Denver, Colorado-based airline company that has flights into 24 of the Denver International Airport’s top 25 destinations. Frontier has a fleet of 55 airplanes and also has flights into Mexico and Canada. If you are interested in booking a flight with Frontier, or need to contact Frontier Airlines, we have the information you need.
• Frontier Airlines has a member service, EarlyReturns, that allows you to earn bonus flight miles. To sign up or to learn more, visit www.frontierairlines.com. You can also check your account online if you are already a member.
• On Frontier’s website, not only can you research and book flights, you can also track flights in flight. That way, you don’t end up showing up at the airport 3 hours before the flight you are waiting for!
• With Frontier Airlines, you can check-in online and avoid the hassle and long lines at the airport. All you need is one of the following: you confirmation number, your e-ticket number, your frequent flyer number, or the credit card used to purchase your ticket. You can check in online at www.frontierairlines.com anywhere between 24 hours and 90 minutes prior to your flight.
• Along with a flight, you can also reserve rental cars, hotels, and plan vacations on Frontier’s website.
If you need to contact Frontier, here are the important resources you need to know about.
• Reservations: 800-4321-FLY (800-432-1359) or (303) 371-7000.
• EarlyReturns Mileage Program: call 866-26EARLY (866-263-2759), Monday through Friday, 6:00 a.m. to 9:00 p.m. and Saturday and Sunday 9:00 a.m. to 5:30 p.m (MST). You can also send an email to firstname.lastname@example.org or send mail to
PO Box 17304
Denver, CO 80217-0304
• Customer Relations: 800-265-5505 or (720) 374-4200. When calling, press Option 2 for Customer Relations and then: Consumer Affairs - Press 1; Central Baggage Service - Press 2; Refund Services - Press 3; Central Lost and Found - Press 4. Consumer Affairs and Central Baggage Service are open Monday through Friday, 7:00 a.m. to 6:00 p.m. and Saturday, 8:00 a.m. to 4:30 p.m. (MST). You can also send mail to
Attn: Customer Relations
Frontier Airlines, Inc.
7001 Tower Road
Denver, CO 80249-7312