Cheap flights from Knoxville, TN to Porto, Portugal
Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price
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Tips to know when travelling to Porto
Most popular airline | Allegiant Air |
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The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, TAP Portugal, and easyJet. Knoxville and Porto have 182 direct flights per week. When you arrive at Porto, consider visiting Santiago De Compostela, and Bairro of Ribeira, Portugal.
Check-in for a flight from Knoxville to Porto
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 |
TAP Portugal | TAP | TP | No | Opens 36 days before flight Closes 1 hours before flight |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Weather in Porto
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 13°C | 7°C |
February | 14°C | 7°C |
March | 16°C | 9°C |
April | 17°C | 10°C |
May | 20°C | 12°C |
June | 22°C | 15°C |
July | 25°C | 16°C |
August | 26°C | 17°C |
September | 24°C | 16°C |
October | 21°C | 14°C |
November | 16°C | 10°C |
December | 14°C | 9°C |
14 day forecast
Frequently asked questions
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