Cheap flights from Portland, ME to Idaho Falls, ID
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Tips to know when travelling to Idaho Falls
Most popular airline | Frontier Airlines |
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The most popular airlines for this route are Frontier Airlines, Allegiant Air, Alaska Airlines, Spirit Airlines, and Sun Country Airlines. Portland and Idaho Falls have 29 direct flights per week. When you arrive at Idaho Falls, consider visiting Yellowstone National Park, and The Rocky Mountains.
Check-in for a flight from Portland to Idaho Falls
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | 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 Idaho Falls
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -1°C | -10°C |
February | 0°C | -8°C |
March | 6°C | -3°C |
April | 12°C | 0°C |
May | 18°C | 4°C |
June | 24°C | 9°C |
July | 31°C | 13°C |
August | 29°C | 13°C |
September | 24°C | 9°C |
October | 14°C | 2°C |
November | 5°C | -3°C |
December | -1°C | -9°C |
14 day forecast
Frequently asked questions
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Flights from Portland
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Flights to Idaho Falls
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Popular routes
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Airports near Portland
- Logan International
- Rhode Island T. F. Green Int'l Airport
- Portland International Jetport
- Manchester–Boston Regional
- Bangor International
- Burlington International
- Lebanon Municipal
- Hancock County-Bar Harbor
- Portsmouth International Airport at Pease
- Augusta State