Cheap flights from Seattle, WA to Porto, Portugal
Flights starting at $410. Choose between WestJet, Alaska Airlines, or Transavia to find the best price.
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Porto. The most popular airlines for this route are WestJet, Alaska Airlines, Transavia, Vueling, and easyJet. Seattle and Porto have 313 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 Seattle to Porto
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
WestJet | WJA | WS | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Transavia | TRA | HV | No | Opens 24 days before flight Closes 4 hours before flight |
Vueling | VLG | VY | No | Opens 168 days before flight Closes 4 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 | 18°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
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