Cheap flights from Idaho Falls, ID to Knoxville, TN
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Tips to know when travelling to Knoxville
Cheapest nonstop round-trip | $452 |
---|---|
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, Allegiant Air, Spirit Airlines, Frontier Airlines, and Sun Country Airlines. Idaho Falls and Knoxville have 53 direct flights per week.
Check-in for a flight from Idaho Falls to Knoxville
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Allegiant Air | AAY | G4 | 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 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Knoxville
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 0°C |
February | 10°C | 1°C |
March | 15°C | 4°C |
April | 20°C | 8°C |
May | 25°C | 13°C |
June | 29°C | 18°C |
July | 30°C | 20°C |
August | 30°C | 19°C |
September | 27°C | 16°C |
October | 21°C | 10°C |
November | 14°C | 4°C |
December | 10°C | 2°C |
14 day forecast
Frequently asked questions
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