Cheap flights from San Diego, CA to Key West, FL
Flights starting at $192. Choose between United Airlines, Silver Airways, or Alaska Airlines to find the best price.
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Tips to know when travelling to Key West
Cheapest one-way trip | $192 |
---|---|
Cheapest round-trip | $656 |
Average round-trip | $676 |
Most popular airline | United Airlines |
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Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Key West. The most popular airlines for this route are United Airlines, Silver Airways, and Alaska Airlines. San Diego and Key West have 40 direct flights per week.
Check-in for a flight from San Diego to Key West
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
Alaska Airlines | ASA | AS | 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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