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Cheap Flights from Seattle to Porto, PT, Portugal - SEA to OPO Last modified: May 27, 2016 7:52 AM

Popular flights from Seattle to Porto Last modified: May 27, 2016 7:52 AM

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.

American Airlines
Departure Date Return Date Lowest Price
Jul 17, 2016 Jul 30, 2016 $1,650
British Airways
Departure Date Return Date Lowest Price
Jun 17, 2016 Jul 2, 2016 $2,167
Brussels Airlines
Departure Date Return Date Lowest Price
Jun 17, 2016 Jul 2, 2016 $2,267
Finnair
Departure Date Return Date Lowest Price
Jul 17, 2016 Jul 31, 2016 $1,994
Iberia
Departure Date Return Date Lowest Price
Jul 17, 2016 Jul 31, 2016 $1,651
Lufthansa German Airlines
Departure Date Return Date Lowest Price
Jul 30, 2016 Aug 14, 2016 $2,128
Tap Portugal
Departure Date Return Date Lowest Price
Jul 30, 2016 Aug 14, 2016 $1,910
United Airlines
Departure Date Return Date Lowest Price
Jul 17, 2016 Jul 30, 2016 $1,735

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 $1,813.

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.

Round Trip vs One Way Flights from Seattle to Porto (SEA to OPO)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Porto. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Seattle to Porto is $2,911.

The average price for round trip flights from Seattle to Porto is $1,569.

Seattle to Porto Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Seattle to Porto?
Answer: Frankfurt, DE

Airlines Flying from Seattle to Porto (SEA to OPO) Number of flights searched: 282Last modified: May 27, 2016 7:52 AM

Below are the different airlines that fly from Seattle to Porto with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Seattle to Porto.

Seattle to Porto
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Lufthansa FRA X X X X X X X
Lufthansa FRA / MUC X X X X X X X

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, OpenSkies, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $967
Seattle to Madrid American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $947
Seattle to Lisbon American, Air Berlin, Air France, Alaska, 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 $953
Seattle to Vigo American, Air France, Finnair, British Airways, Iberia, KLM, Lufthansa, Tap Portugal, United, Air Europa $1,798
Seattle to Barcelona American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $953
Seattle to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, BMI, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic $922
Seattle to Amsterdam American, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $914
Seattle to Dublin American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $819
Seattle to Rome American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, TAROM, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $973
Seattle to Santiago de Compostela American, Air Berlin, Finnair, British Airways, Aer Lingus, Iberia, Lufthansa, United $1,279
Seattle to A Coruna American, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, Czech, Tap Portugal, United, Air Europa $1,327
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 $1,048

Cheap International Flights to Porto - OPO

FlightsAirlineLowest Price
Vancouver to Porto Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Luxair, Lufthansa, Czech, SATA, Brussels, Tap Portugal, Air Transat, Air Europa, Virgin Atlantic, WestJet $927
Portland to Porto American, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, Brussels, Tap Portugal, United, Virgin Atlantic $1,371
Vancouver to Paris Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Corsair, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $518
Vancouver to Lisbon Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $808
Portland to Madrid American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $1,004
Vancouver to Madrid Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, Brussels, Tap Portugal, Air Transat, Air Europa, Virgin Atlantic, WestJet $697
Portland to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $1,010
Vancouver to Vigo Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Brussels, Tap Portugal, Air Europa Check Dates
Portland to Lisbon American, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SATA, Brussels, Tap Portugal, United, Virgin Atlantic $1,062
Vancouver to Amsterdam 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 $579
Vancouver to Frankfurt Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $617
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, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $794
Portland to Amsterdam American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $994
Portland to Barcelona Aegean, American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, TAROM, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $1,033
Victoria to Lisbon Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, SATA, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $1,035
Portland to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Virgin Atlantic $968
Vancouver to New York Pacific Coastal, American, Air Canada, Alaska, JetBlue, Cathay, United, Virgin America, Sunwing, WestJet $297
Cheap Flights from Seattle to Porto, PT, Portugal, from $1,650 Round trip from SEA to OPO