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Did you mean flights from Porto to Seattle?

Cheap Flights from Seattle to Porto, PT, Portugal - SEA to OPO Last modified: Jun 28, 2016 7:44 PM

Popular flights from Seattle to Porto Last modified: Jun 28, 2016 7:44 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

British Airways
SEAOPO
Mon 9/26
2 stops
OPOSEA
Fri 10/7
2 stops
$719
Select
Finnair
SEAOPO
Mon 9/26
2 stops
OPOSEA
Fri 10/7
2 stops
$719
Select
Iberia
SEAOPO
Mon 9/26
2 stops
OPOSEA
Fri 10/7
2 stops
$719
Select
American
SEAOPO
Mon 9/26
1 stop
OPOSEA
Fri 10/7
1 stop
$723
Select
United
SEAOPO
Mon 9/26
2 stops
OPOSEA
Fri 10/7
2 stops
$742
Select
Brussels
SEAOPO
Mon 9/26
2 stops
OPOSEA
Fri 10/7
2 stops
$759
Select
Lufthansa
SEAOPO
Mon 9/26
2 stops
OPOSEA
Fri 10/7
2 stops
$769
Select
Condor
SEAOPO
Mon 9/26
1 stop
OPOSEA
Fri 10/7
1 stop
$1,580
Select
Tap Portugal
SEAOPO
Sun 7/17
2 stops
OPOSEA
Sat 7/30
2 stops
$1,896
Select
Air Europa
SEAOPO
Mon 9/26
2 stops
OPOSEA
Fri 10/7
2 stops
$2,232
Select

How Much Does it Cost to Fly from Seattle to Porto (SEA to OPO)?

We have collected flight cost data from across the web for travel from Seattle to Porto, and have found the average flight price for this trip to be $1,070.

When Can I Buy the Cheapest Flight from Seattle to Porto (SEA to OPO)?

Airlines can adjust prices for plane tickets from Seattle to Porto based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Airports for Your Route

These pages contain information about the major airports in Seattle and Porto, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap International Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Corsair, Tap Portugal, United, Air Europa, Virgin Atlantic $639
Seattle to Madrid American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, SATA, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $598
Seattle to Lisbon American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America $601
Seattle to Vigo American, Air France, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, Tap Portugal, United, Air Europa Check Dates
Seattle to Barcelona American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $589
Seattle to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic $673
Seattle to Amsterdam American, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $606
Seattle to Dublin American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, SAS, Brussels, Jetairfly, United, Virgin Atlantic $507
Seattle to Rome American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Czech, Austrian, TAROM, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $618
Seattle to Santiago de Compostela American, Air Berlin, Finnair, British Airways, Aer Lingus, Iberia, Lufthansa, United, Air Europa $618
Seattle to A Coruna American, Air Berlin, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, Czech, Tap Portugal, United, Air Europa Check Dates
Seattle to Malaga American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa $700

Cheap International Flights to Porto - OPO

FlightsAirlineLowest Price
Vancouver to Porto Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, Czech, Austrian, SATA, Brussels, Tap Portugal, Air Transat, Air Europa, Virgin Atlantic, WestJet $433
Portland to Porto American, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, SATA, Brussels, Tap Portugal, United, Virgin Atlantic $640
Vancouver to Paris Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Air Malta, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Corsair, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $489
Vancouver to Lisbon Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $402
Portland to Madrid American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, SATA, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $601
Vancouver to Madrid Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, Brussels, Jetairfly, Tap Portugal, Air Transat, Air Europa, Virgin Atlantic, WestJet $344
Portland to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Czech, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, Virgin America $629
Vancouver to Vigo Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, Tap Portugal, Air Transat, Air Europa $485
Portland to Lisbon American, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SATA, Brussels, Tap Portugal, United, Virgin Atlantic, Virgin America $621
Vancouver to Amsterdam Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $415
Vancouver to Frankfurt Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Corsair, Air Transat, Virgin Atlantic, WestJet $505
Vancouver to Santiago de Compostela Air Canada, Air France, Finnair, British Airways, Aer Lingus, Iberia, Lufthansa Check Dates
Vancouver to Barcelona Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $172
Portland to Amsterdam American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $606
Portland to Barcelona American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, TAROM, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $589
Victoria to Lisbon Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, SATA, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $442
Portland to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, SATA, SAS, Brussels, Sun Country, Tap Portugal, United, Virgin Atlantic $673
Vancouver to New York Pacific Coastal, American, Air Canada, Alaska, Cathay, United, Virgin America, WestJet $347
Cheap Flights from Seattle to Porto, PT, Portugal, from $719 Round trip from SEA to OPO