Frontier Airlines (F9) is a low-cost airline based in the United States. It has been flying since 1994.

Baggage fees and allowances Official website Contact page Search flights

Customer service numbers

From the airline’s own website, checked October 2026. Numbers and opening hours change: confirm on the airline’s contact page before you call.

Contact page

Airline facts

IATA code
F9
ICAO code
FFT
Country
United States
Founded
1994
Type
Low-cost airline
Callsign
FRONTIER FLIGHT

Hubs

DEN Denver International Airport Denver

Where Frontier Airlines flies nonstop

Airports with nonstop fares found for this airline in recent searches. It may fly to others too.

DEN Denver International Airport Denver · 1 nonstop route OKC Will Rogers World Airport Oklahoma City · 1 nonstop route
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Airline facts from Wikidata and Travelpayouts. Baggage rules and contact details belong to the airline: follow the links for the current version.