Cheap flights from Phoenix, AZ to Idaho Falls, ID
Flights starting at £70. Choose between United Airlines, Alaska Airlines, or Allegiant Air to find the best price.
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Travelers usually depart from Phoenix Sky Harbor International, or Phoenix–Mesa Gateway when they travel from Phoenix to Idaho Falls. The distance between Phoenix and Idaho Falls is 1136 km. The most popular airlines for this route are United Airlines, Alaska Airlines, and Allegiant Air. Phoenix and Idaho Falls have 39 direct flights per week. When you arrive at Idaho Falls, consider visiting Yellowstone National Park, and The Rocky Mountains.
Weekly direct flights
Discover the top airlines offering direct flights from Phoenix to Idaho Falls in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 18.11 - Sun 24.11
| Airline | Mon 18.11 | Tue 19.11 | Wed 20.11 | Thu 21.11 | Fri 22.11 | Sat 23.11 | Sun 24.11 |
|---|---|---|---|---|---|---|---|
| 1 | --- | --- | 1 | 1 | 1 | 1 |
Weekly direct flights for Mon 25.11 - Sun 01.12
| Airline | Mon 25.11 | Tue 26.11 | Wed 27.11 | Thu 28.11 | Fri 29.11 | Sat 30.11 | Sun 01.12 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | --- | 1 |
Weekly direct flights for Mon 02.12 - Sun 08.12
| Airline | Mon 02.12 | Tue 03.12 | Wed 04.12 | Thu 05.12 | Fri 06.12 | Sat 07.12 | Sun 08.12 |
|---|---|---|---|---|---|---|---|
| 1 | --- | --- | 1 | 1 | --- | 1 |
Weekly direct flights for Mon 09.12 - Sun 15.12
| Airline | Mon 09.12 | Tue 10.12 | Wed 11.12 | Thu 12.12 | Fri 13.12 | Sat 14.12 | Sun 15.12 |
|---|---|---|---|---|---|---|---|
| 1 | --- | --- | 1 | 1 | --- | 1 |
Check-in for a flight from Phoenix to Idaho Falls
| Name | Carrier code | IATA Code | Passport needed during booking | |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes | |
| Alaska Airlines | ASA | AS | No | |
| Allegiant Air | AAY | G4 | No |
Online check-in is not available for these airlines.
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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