Cheap flights from Knoxville, TN to Jacksonville, FL
Flights starting at $126. Choose between Allegiant Air, Frontier Airlines, or United Airlines to find the best price.
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Book your trip to arrive at Jacksonville International, or Jacksonville. The most popular airlines for this route are Allegiant Air, Frontier Airlines, United Airlines, JetBlue Airways, and Spirit Airlines. Knoxville and Jacksonville have 75 direct flights per week.
Check-in for a flight from Knoxville to Jacksonville
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 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Jacksonville
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 9°C |
February | 20°C | 11°C |
March | 23°C | 13°C |
April | 26°C | 16°C |
May | 29°C | 20°C |
June | 31°C | 23°C |
July | 32°C | 24°C |
August | 32°C | 24°C |
September | 30°C | 23°C |
October | 27°C | 19°C |
November | 22°C | 14°C |
December | 20°C | 11°C |
14 day forecast
Frequently asked questions
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Flights to Jacksonville
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Airports near Knoxville
- Nashville International
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- Greenville–Spartanburg International
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