Cheap flights from Washington, D.C., United States to Idaho Falls, United States
Flights starting at £95. Choose between Allegiant Air, Frontier Airlines, or Alaska Airlines to find the best price.
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Tips to know when travelling to Idaho Falls
Cheapest one-way trip | £164 |
---|---|
Cheapest round-trip | £348 |
Includes rare itinerary | |
Most popular airline | Allegiant Air |
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Travelers usually depart from Baltimore–Washington International, Washington Dulles International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Idaho Falls. The most popular airlines for this route are Allegiant Air, Frontier Airlines, Alaska Airlines, United Airlines, and Spirit Airlines. Washington, D.C. and Idaho Falls have 135 direct flights per week. When you arrive at Idaho Falls, consider visiting The Rocky Mountains, and Yellowstone National Park.
Check-in for a flight from Washington, D.C. to Idaho Falls
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
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 |
United Airlines | UAL | UA | Yes | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
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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Airports near Washington, D.C.
- Philadelphia International
- Baltimore–Washington International
- Washington Dulles International
- Norfolk International
- Richmond International
- Ronald Reagan Washington National
- Trenton–Mercer
- Atlantic City International
- Lehigh Valley International
- Harrisburg International