Cheap flights from Key West, FL to Charleston, SC
Flights starting at £75. Choose between Silver Airways, Spirit Airlines, or United Airlines to find the best price.
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Tips to know when travelling to Charleston
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The most popular airlines for this route are Silver Airways, Spirit Airlines, United Airlines, JetBlue Airways, and Allegiant Air. Key West and Charleston have 100 direct flights per week.
Check-in for a flight from Key West to Charleston
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
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 |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Charleston
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 14°C | 7°C |
February | 16°C | 9°C |
March | 18°C | 11°C |
April | 22°C | 15°C |
May | 26°C | 19°C |
June | 29°C | 23°C |
July | 31°C | 25°C |
August | 30°C | 25°C |
September | 28°C | 22°C |
October | 24°C | 17°C |
November | 19°C | 12°C |
December | 16°C | 9°C |
14 day forecast
Frequently asked questions
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Flights to Charleston
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Airports near Key West
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