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Cheap Flights from San Francisco to Porto - SFO to OPO (reverse)

Popular Flights from San Francisco to Porto

  • Airfare from San Francisco to Porto on KLM from $919 round trip
  • Airfare from San Francisco to Porto on American from $958 round trip
  • Airfare from San Francisco to Porto on Iberia from $958 round trip
  • Airfare from San Francisco to Porto on Finnair from $971 round trip
  • Airfare from San Francisco to Porto on Alitalia from $1024 round trip

Did You Know?

  • Lufthansa has the most one stop flights between San Francisco, CA and Porto, PT.
  • The shortest flight between San Francisco, CA and Porto, PT on Lufthansa is 6,708 miles.
  • Frankfurt, DE is the most popular connection for one stop flights between San Francisco, CA and Porto, PT.
  • 199 flights per week fly out of San Francisco, CA connecting to Porto, PT
  • The largest aircraft operated by United flying between San Francisco, CA and Porto, PT is a 380 with 526 seats.
  • Air Canada has 4 one stop flights between San Francisco, CA and Porto, PT.
  • 293,001 seats are available per day to fly out of San Francisco, CA connecting to Porto, PT
  • The smallest aircraft operated by American flying between San Francisco, CA and Porto, PT is a M80 with 140 seats.

Advance Purchase Prices from San Francisco to Porto

  • Carrier
    0 Days
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    21 Days
  • Air Canada
    $2409
    $1634
    $1544
    $1033
    $1033
    $1241
    $1241
  • Brussels
    $2352
    $1577
    $1487
    $1297
    $1297
    $1490
    $1490
  • Continental
    $2309
    $1534
    $1444
    $983
    $983
    $1141
    $1141
  • Iberia
    $1313
    $1313
    $1600
    $859
    $859
    $1067
    $2172
  • Lufthansa
    $2409
    $1634
    $1544
    $1033
    $1033
    $1241
    $1241
  • TAP
    $1923
    $1610
    $1350
    $819
    $1430
    $1170
    $1170
  • US Airways
    $1644
    $1644
    $1384
    $1324
    $1753
    $1194
    $1194
  • United
    $2309
    $1534
    $1444
    $983
    $983
    $1141
    $1141

Cheap International Flights from San Francisco - SFO

Cheap Flights from San Francisco to Porto, from $919 Round trip from SFO to OPO