Cheap flights from Knoxville, TN to Pittsburgh, PA
Flights starting at $111. Choose between Allegiant Air, Spirit Airlines, or United Airlines to find the best price.
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The most popular airlines for this route are Allegiant Air, Spirit Airlines, United Airlines, Frontier Airlines, and Southern Airways Express. Knoxville and Pittsburgh have 127 direct flights per week.
Check-in for a flight from Knoxville to Pittsburgh
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 |
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Southern Airways Express | FDY | 9X | Yes | No |
Weather in Pittsburgh
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 1°C | -5°C |
February | 4°C | -4°C |
March | 9°C | 0°C |
April | 16°C | 5°C |
May | 22°C | 11°C |
June | 26°C | 15°C |
July | 29°C | 18°C |
August | 28°C | 17°C |
September | 24°C | 14°C |
October | 17°C | 8°C |
November | 10°C | 1°C |
December | 5°C | -1°C |
14 day forecast
Frequently asked questions
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Airports near Knoxville
- Nashville International
- McGhee Tyson
- Asheville Regional
- Greenville–Spartanburg International
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