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

Popular Flights from Seattle to Porto

  • Airfare from Seattle to Porto on KLM from $986 round trip
  • Airfare from Seattle to Porto on Finnair from $998 round trip
  • Airfare from Seattle to Porto on American from $1019 round trip
  • Airfare from Seattle to Porto on Iberia from $1049 round trip
  • Airfare from Seattle to Porto on United from $1076 round trip

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.

Advance Purchase Prices from Seattle to Porto

  • Carrier
    0 Days
    1 Day
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    21 Days
  • Air Canada
    $2630
    $1684
    $1424
    $1033
    $1033
    $1241
    $1241
  • Brussels
    $2523
    $1577
    $1317
    $1267
    $1267
    $1440
    $1440
  • Continental
    $2580
    $1634
    $1374
    $1033
    $1033
    $1191
    $1191
  • Iberia
    $1368
    $1368
    $1600
    $859
    $859
    $1067
    $2335
  • Lufthansa
    $2630
    $1684
    $1424
    $1033
    $1033
    $1241
    $1241
  • TAP
    $2374
    $2061
    $1771
    $1270
    $3464
    $1591
    $1591
  • US Airways
    $1651
    $1651
    $1391
    $1331
    $1760
    $1201
    $1201
  • United
    $2580
    $1634
    $1374
    $1033
    $1033
    $1191
    $1191

Cheap International Flights from Seattle - SEA

Cheap Flights from Seattle to Porto, from $986 Round trip from SEA to OPO