Cheap flights from Key West, FL to San Antonio, TX
Flights starting at £93. Choose between Spirit Airlines, Silver Airways, or Frontier Airlines to find the best price.
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Tips to know when travelling to San Antonio
Cheapest one-way trip | £93 |
---|---|
Cheapest round-trip | £199 |
Average round-trip | £263 |
Includes rare itinerary | |
Most popular airline | Spirit Airlines |
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The most popular airlines for this route are Spirit Airlines, Silver Airways, Frontier Airlines, Allegiant Air, and Sun Country Airlines. Key West and San Antonio have 53 direct flights per week.
Check-in for a flight from Key West to San Antonio
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Spirit Airlines | NKS | NK | 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 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in San Antonio
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 17°C | 7°C |
February | 19°C | 9°C |
March | 23°C | 12°C |
April | 27°C | 16°C |
May | 30°C | 19°C |
June | 34°C | 23°C |
July | 35°C | 24°C |
August | 36°C | 25°C |
September | 32°C | 22°C |
October | 28°C | 17°C |
November | 21°C | 12°C |
December | 18°C | 9°C |
14 day forecast
Frequently asked questions
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Airports near Key West
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