Airline · F9
Frontier Airlines
Flights & Reservations Help
America's greenest ultra-low fares — booked without the gotchas.
Main hubDenver (DEN)
IATA codeF9
Phone help24 / 7
Airline · F9
America's greenest ultra-low fares — booked without the gotchas.
Main hubDenver (DEN)
IATA codeF9
Phone help24 / 7
About flying Frontier Airlines
Frontier Airlines, based in Denver, flies one of the youngest, most fuel-efficient fleets in the country and sells rock-bottom base fares to over 100 destinations. Like all ultra-low-cost carriers, the savings survive only if you understand the add-on structure. Our experts bundle your fare, bag, and seat correctly the first time.
FlexFare is an independent agency — we work for you, not the airline. Side-by-side comparisons, honest fare-class advice, one person handling your booking start to finish.
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*Starting fares shown as a guide; actual fares vary by date, availability and taxes. Call for today's exact fare.
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Traveler stories
“Called about a last-minute Frontier Airlines flight and had two options in under ten minutes. Booked the one that fit and was done.”
“The agent explained the baggage rules before I paid, not after. That alone made the call worth it.”
“I'd been comparing tabs for an hour. One phone call sorted the whole trip, seats included.”
Good to know
Frontier runs a modern Airbus fleet with solid safety and improving punctuality. Build connection buffers and it's a fine way to fly cheap — we'll plan that with you.
Carry-on, checked bag, best seat selection, priority boarding, and full refundability. Often the smartest way to buy Frontier.
Yes — Mexico, the Caribbean, and Central America, including Cancun, San Juan, and Guatemala City.