Cheap flights from Austin, TX to Idaho Falls, ID
Flights starting at £131. Choose between Alaska Airlines, Allegiant Air, or Frontier Airlines to find the best price.
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Tips to know when travelling to Idaho Falls
Cheapest one-way trip | £251 |
---|---|
Cheapest round-trip | £518 |
Most popular airline | Alaska Airlines |
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The most popular airlines for this route are Alaska Airlines, Allegiant Air, Frontier Airlines, Spirit Airlines, and United Airlines. Austin and Idaho Falls have 72 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 Austin to Idaho Falls
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 |
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 |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | 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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