Cheap flights from Rapid City, SD to Idaho Falls, ID
Choose between Allegiant Air, Alaska Airlines, or Frontier Airlines to find the best price
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Tips to know when travelling to Idaho Falls
Cheapest nonstop round-trip | $436 |
---|---|
Most popular airline | Allegiant Air |
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The most popular airlines for this route are Allegiant Air, Alaska Airlines, Frontier Airlines, and Spirit Airlines. Rapid City and Idaho Falls have 8 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 Rapid City 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 |
Alaska Airlines | ASA | AS | 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 |
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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