Cheap flights from Key West, FL to Sioux Falls, SD
Flights starting at $155. Choose between United Airlines, Allegiant Air, or Silver Airways to find the best price.
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Tips to know when travelling to Sioux Falls
Cheapest one-way trip | $155 |
---|---|
Cheapest round-trip | $324 |
Average round-trip | $473 |
Includes rare itinerary | |
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, Allegiant Air, Silver Airways, Spirit Airlines, and Frontier Airlines. Key West and Sioux Falls have 67 direct flights per week.
Check-in for a flight from Key West to Sioux Falls
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Allegiant Air | AAY | G4 | 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 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Sioux Falls
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -4°C | -12°C |
February | -1°C | -11°C |
March | 6°C | -2°C |
April | 13°C | 2°C |
May | 19°C | 9°C |
June | 26°C | 15°C |
July | 28°C | 17°C |
August | 27°C | 16°C |
September | 24°C | 12°C |
October | 14°C | 5°C |
November | 7°C | -1°C |
December | -1°C | -8°C |
14 day forecast
Frequently asked questions
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Airports near Key West
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