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

Did You Know?

Frankfurt, DE is the most popular connection for one stop flights between Seattle, WA and Porto, PT.
12 airlines operate between Seattle, WA and Porto, PT
The smallest aircraft operated by Alitalia flying between Seattle, WA and Porto, PT is a 757 with 166 seats.
Lufthansa has the most one stop flights between Seattle, WA and Porto, PT.
The largest aircraft operated by Air Berlin flying between Seattle, WA and Porto, PT is a 757 with 188 seats.
126 flights per week fly out of Seattle, WA connecting to Porto, PT
154,457 seats are available per day to fly out of Seattle, WA connecting to Porto, PT
Air Berlin has 5 two stops or more flights between Seattle, WA and Porto, PT.

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
Finnair, Brussels, Alitalia, Austrian, SWISS, KLM, Turkish, British Airways, TAP, Air Canada, United, Delta, American, Air France, Lufthansa, Air Europa, US Airways, Iberia
$1156
TAP, KLM, SWISS, Lufthansa, Brussels, Air Berlin, US Airways, British Airways, United
$1274
Lufthansa, Austrian, KLM, United, Air Berlin, US Airways, TAP, Iberia, SWISS
$1427
Air Berlin, TAP
$1531
Cheap Flights from Seattle to Porto, from $1185 Round trip from SEA to OPO