Cheap flights from Charleston, SC to Idaho Falls, ID
Flights starting at $178. Choose between Alaska Airlines, Spirit Airlines, or Allegiant Air to find the best price.
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Tips to know when travelling to Idaho Falls
Cheapest one-way trip | $284 |
---|---|
Cheapest round-trip | $575 |
Most popular airline | Alaska Airlines |
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The most popular airlines for this route are Alaska Airlines, Spirit Airlines, Allegiant Air, JetBlue Airways, and Sun Country Airlines. Charleston and Idaho Falls have 63 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 Charleston 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 |
Spirit Airlines | NKS | NK | 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 |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 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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