Cheap flights from Knoxville, TN to San Diego, CA
Flights starting at $44. Choose between Allegiant Air, Frontier Airlines, or United Airlines to find the best price.
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Tips to know when travelling to San Diego
Cheapest one-way trip | $171 |
---|---|
Cheapest round-trip | $353 |
Most popular airline | Allegiant Air |
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Book your trip to arrive at San Diego International, or McClellan–Palomar. The most popular airlines for this route are Allegiant Air, Frontier Airlines, United Airlines, Alaska Airlines, and Spirit Airlines. Knoxville and San Diego have 236 direct flights per week.
Check-in for a flight from Knoxville to San Diego
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 |
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 |
Weather in San Diego
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 10°C |
February | 17°C | 10°C |
March | 18°C | 11°C |
April | 19°C | 12°C |
May | 20°C | 14°C |
June | 22°C | 16°C |
July | 24°C | 18°C |
August | 25°C | 19°C |
September | 25°C | 19°C |
October | 23°C | 16°C |
November | 21°C | 13°C |
December | 17°C | 11°C |
14 day forecast
Frequently asked questions
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Airports near Knoxville
- Nashville International
- McGhee Tyson
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