Cheap flights from Duluth, MN to Key West, FL
Choose between Sun Country Airlines, Spirit Airlines, or Silver Airways to find the best price
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Tips to know when travelling to Key West
Most popular airline | Sun Country Airlines |
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The most popular airlines for this route are Sun Country Airlines, Spirit Airlines, Silver Airways, Frontier Airlines, and United Airlines. Duluth and Key West have 21 direct flights per week.
Check-in for a flight from Duluth to Key West
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Sun Country Airlines | SCX | SY | Yes | No |
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 |
United Airlines | UAL | UA | Yes | No |
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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