Cheap flights from Thief River Falls, MN to Seattle, WA
Flights starting at $169. Choose between Key Lime Air, Sun Country Airlines, or Alaska Airlines to find the best price.
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Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airlines for this route are Key Lime Air, Sun Country Airlines, Alaska Airlines, Harbour Air (Priv), and Frontier Airlines. Thief River Falls and Seattle have 64 direct flights per week.
Check-in for a flight from Thief River Falls to Seattle
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Key Lime Air | LYM | KG | Yes | No |
Sun Country Airlines | SCX | SY | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Harbour Air (Priv) | HES | YB | No | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Seattle
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 1°C |
March | 10°C | 3°C |
April | 13°C | 4°C |
May | 18°C | 8°C |
June | 21°C | 10°C |
July | 25°C | 13°C |
August | 26°C | 14°C |
September | 22°C | 11°C |
October | 15°C | 7°C |
November | 10°C | 4°C |
December | 6°C | 1°C |
14 day forecast
Frequently asked questions
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