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Cheap Flights from Seattle to Porto - SEA to OPO (reverse)

Did You Know?

US Airways has 490 connecting flights between Seattle, WA and Porto.
457,731 seats are available per week to fly from Seattle, WA to Porto.
You must make at least one connection to fly from Seattle, WA to Porto.
There are 8350 flights from Seattle, WA to Porto per week.

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
Turkish, Swiss, LOT, Tap Portugal, Delta, Iberia, Air Europa, Korean, Icelandair, US Airways, KLM, SAS, Austrian, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, American, Air Berlin, Air France, Lufthansa
$1003
US Airways, Turkish, KLM, Swiss, LOT, Austrian, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Air Europa, Korean, Icelandair
$1004
US Airways, Turkish, KLM, Swiss, Austrian, Alitalia, Brussels, Finnair, British Airways, Tap Portugal, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Air Europa
$1152
KLM, Alitalia, Finnair, British Airways, Delta, American, Air France, Iberia, Air Europa
$1192
US Airways, Turkish, KLM, Swiss, LOT, Austrian, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, Delta, American, Air Berlin, Air France, Lufthansa, Iberia, Air Europa, Icelandair
$1092
New Zealand, Turkish, Swiss, LOT, Tap Portugal, Delta, Condor, Iberia, Korean, Icelandair, US Airways, KLM, Austrian, SAS, Alitalia, Brussels, Finnair, British Airways, Singapore, Air Canada, United, American, Air Berlin, Air France, Lufthansa
$660
Turkish, Swiss, LOT, Tap Portugal, Delta, Iberia, Air Europa, Korean, Icelandair, US Airways, KLM, Austrian, SAS, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, American, Air France, Lufthansa
$998
US Airways, New Zealand, Turkish, KLM, Swiss, Alitalia, Finnair, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Aer Lingus
$807
Turkish, Swiss, LOT, Delta, Iberia, Air Europa, Korean, Icelandair, US Airways, KLM, SAS, Austrian, Brussels, Alitalia, Finnair, British Airways, Air Canada, United, American, Air Berlin, Air France, Lufthansa
$1054
American, Turkish, Iberia, British Airways
$1367
KLM, Alitalia, Finnair, British Airways, Delta, American, Air France, Iberia, Air Europa
$1281
US Airways, Turkish, KLM, Swiss, Austrian, Alitalia, Brussels, Finnair, British Airways, Air Canada, Delta, American, Air Berlin, Air France, Condor, Lufthansa, Iberia, Air Europa
$1171

Cheap International Flights to Porto - OPO

Flights
Airline
Lowest Price
US Airways, KLM, Swiss, Brussels, British Airways, Air Canada, United, American, Lufthansa, Iberia
CAD929
US Airways, KLM, Swiss, Alitalia, Brussels, British Airways, Air Canada, United, American, Lufthansa, Iberia
$1086
US Airways, Jet Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, Air Transat, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Korean, Icelandair
CAD422
US Airways, Turkish, KLM, Swiss, Austrian, Brussels, Finnair, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia
CAD956
US Airways, Turkish, KLM, Swiss, LOT, Alitalia, Brussels, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia
$1180
US Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Korean
CAD1038
Turkish, Swiss, LOT, Delta, Iberia, US Airways, KLM, SAS, Brussels, Alitalia, British Airways, Air Canada, United, American, Air France, Lufthansa
$1115
KLM, Finnair, British Airways, Delta, American, Air France, Iberia
CAD1027
US Airways, Turkish, KLM, Swiss, Alitalia, Brussels, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia
$1103
US Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, British Airways, Air Transat, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Korean, Icelandair
CAD404
US Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, Air Transat, British Airways, Air Canada, United, Delta, American, Air France, Condor, Lufthansa, Iberia, Korean, Icelandair
CAD492
American, Turkish, Iberia, British Airways
CAD1206
US Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Icelandair
CAD1037
US Airways, Turkish, KLM, Swiss, LOT, SAS, Brussels, Alitalia, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia
$1131
US Airways, Turkish, KLM, Swiss, LOT, Alitalia, Brussels, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia
$1182
KLM, British Airways, Air Canada, Delta, United, American, Air France, Lufthansa
CAD1011
New Zealand, Turkish, Swiss, LOT, Delta, Iberia, US Airways, KLM, SAS, Alitalia, Brussels, British Airways, Singapore, Air Canada, United, American, Air France, Lufthansa
$1259
Air Canada, Alaska, United, Delta, American, US Airways, Cathay, WestJet
CAD435
Cheap Flights from Seattle to Porto, from $1184 Round trip from SEA to OPO