Cheap flights from Knoxville, TN to Lisbon, Portugal
Flights starting at £280. Choose between Allegiant Air, TAP Portugal, or Frontier Airlines to find the best price.
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Tips to know when travelling to Lisbon
Cheapest one-way trip | £319 |
---|---|
Cheapest round-trip | £652 |
Includes rare itinerary | |
Most popular airline | Allegiant Air |
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The most popular airlines for this route are Allegiant Air, TAP Portugal, Frontier Airlines, Spirit Airlines, and easyJet. Knoxville and Lisbon have 175 direct flights per week. When you arrive at Lisbon, consider visiting Mosteiro Dos Jerónimos, Bairro Alfama, Lisbon, Bairro of Ribeira, Portugal, and Sintra.
Check-in for a flight from Knoxville to Lisbon
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 |
TAP Portugal | TAP | TP | No | Opens 36 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | 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 |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Weather in Lisbon
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 14°C | 9°C |
February | 15°C | 9°C |
March | 17°C | 10°C |
April | 19°C | 12°C |
May | 22°C | 14°C |
June | 24°C | 16°C |
July | 26°C | 17°C |
August | 27°C | 17°C |
September | 25°C | 17°C |
October | 22°C | 16°C |
November | 17°C | 12°C |
December | 15°C | 10°C |
14 day forecast
Frequently asked questions
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