Cheap flights from Thief River Falls, MN to Portland, OR
Flights starting at $170. Choose between Key Lime Air, Frontier Airlines, or Alaska Airlines to find the best price.
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Tips to know when travelling to Portland
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The most popular airlines for this route are Key Lime Air, Frontier Airlines, Alaska Airlines, Spirit Airlines, and Sun Country Airlines. Thief River Falls and Portland have 41 direct flights per week.
Check-in for a flight from Thief River Falls to Portland
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Key Lime Air | LYM | KG | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Portland
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 8°C | 2°C |
February | 8°C | 2°C |
March | 11°C | 3°C |
April | 14°C | 5°C |
May | 19°C | 8°C |
June | 23°C | 10°C |
July | 28°C | 13°C |
August | 28°C | 14°C |
September | 24°C | 12°C |
October | 17°C | 8°C |
November | 10°C | 4°C |
December | 7°C | 2°C |
14 day forecast
Frequently asked questions
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