Cheap flights from Belleville, IL to Knoxville, TN
Flights starting at £95. Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to Knoxville
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The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, JetBlue Airways, and Silver Airways. Belleville and Knoxville have 40 direct flights per week.
Check-in for a flight from Belleville to Knoxville
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 |
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 |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
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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Flights from Belleville
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Flights to Knoxville
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Airports near Belleville
- St. Louis Lambert International
- General Wayne A. Downing Peoria International
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- Barkley Regional
- Central Illinois Regional
- Waynesville-St. Robert Regional
- Cape Girardeau Regional
- Williamson County Regional