Cheap flights from Phoenix, AZ to Key West, FL
Flights starting at $124. Choose between Frontier Airlines, Silver Airways, or Spirit Airlines to find the best price.
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Tips to know when travelling to Key West
Cheapest one-way trip | $235 |
---|---|
Cheapest round-trip | $428 |
Most popular airline | Frontier Airlines |
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Travelers usually depart from Phoenix Sky Harbor International, or Phoenix–Mesa Gateway when they travel from Phoenix to Key West. The most popular airlines for this route are Frontier Airlines, Silver Airways, Spirit Airlines, United Airlines, and Allegiant Air. Phoenix and Key West have 178 direct flights per week.
Check-in for a flight from Phoenix to Key West
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Key West
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 22°C | 20°C |
February | 23°C | 21°C |
March | 23°C | 22°C |
April | 25°C | 24°C |
May | 26°C | 25°C |
June | 28°C | 27°C |
July | 29°C | 28°C |
August | 29°C | 28°C |
September | 29°C | 28°C |
October | 27°C | 26°C |
November | 25°C | 24°C |
December | 24°C | 22°C |
14 day forecast
Frequently asked questions
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