Frontier Airlines | Frontier Airlines - Airline Tickets, Airline Reservations, Flight Airfare (via Mowser)

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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.

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Upgrade to STRETCH Seating

Want extra legroom? We have it.

Relax and enjoy the Frontier flying experience with STRETCH Seating - the first four rows with up to five inches of additional leg room.

- From $15 with an Economy ticket - From $5 with a Classic ticket - FREE with a Classic Plus ticket - FREE for Summit members anytime - FREE for Ascent members at the gate

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Please call Frontier Reservations at 800-432-1FLY (1359) for ticket changes if your scheduled flight is within 24 hours or if you need to make name changes, itinerary changes to EarlyReturns® award tickets, or itinerary changes to tickets with an infant as a lap child or for an unaccompanied minor.

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