Cheap flights from Helena, MT to Portland, OR
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Most popular airline | Alaska Airlines |
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The most popular airline for this route is Alaska Airlines. Helena and Portland have 40 direct flights per week.
Check-in for a flight from Helena to Portland
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
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
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