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Cheap Flights from San Francisco to Porto - SFO to OPO

Did You Know?

You must make at least one connection to fly from San Francisco, CA to Porto.
US Airways has 490 connecting flights between San Francisco, CA and Porto.

Cheap International Flights from San Francisco - SFO

Flights
Airline
Lowest Price
Air Europa, Iberia, Finnair, Aeroflot, Air Tahiti Nui, Delta, LOT, Swiss, Turkish, Korean, US Airways, Air Berlin, Brussels, Alitalia, Austrian, SAS, XL Airways, Air Canada, American, United, Air France, Lufthansa, Aer Lingus, KLM, British Airways, Tap Portugal
$705
Lufthansa, Air France, KLM, Finnair, Swiss, Delta, American, United, LOT, Iberia, Austrian, Aeroflot, Korean, SAS, Turkish, Alitalia, Brussels, British Airways, US Airways, Air Canada, Air Europa
$764
US Airways, Air Canada, Tap Portugal, British Airways, Finnair, Brussels, Alitalia, Austrian, Swiss, KLM, Turkish, United, Delta, Air France, Lufthansa, American, Iberia, Air Europa
$746
Air Europa, Iberia, Air France, American, Delta, British Airways, Finnair, Alitalia, KLM
$1109
American, United, Air Canada, British Airways, Finnair, Brussels, Turkish, Aeroflot, Delta, Iberia, Air Europa, SAS, Austrian, Alitalia, US Airways, LOT, Swiss, Air Berlin, Air France, KLM, Lufthansa
$779
Delta, Aeroflot, Iberia, Korean, Tap Portugal, United, LOT, Swiss, Turkish, US Airways, KLM, SAS, Air Canada, Singapore, British Airways, American, Air Berlin, Air France, Lufthansa, Finnair, Brussels, Alitalia, Austrian, Air New Zealand
$788
Korean, US Airways, KLM, Austrian, SAS, Air Europa, Iberia, Delta, Aeroflot, Turkish, Swiss, Tap Portugal, Alitalia, Brussels, Finnair, LOT, Aer Lingus, Lufthansa, Air France, American, United, Air Canada, British Airways
$750
American, Turkish, Iberia, British Airways
$749
British Airways, Air Europa, Emirates, Korean, US Airways, SAS, Lufthansa, Austrian, Air France, Air Berlin, American, United, Air Canada, Brussels, Finnair, Alitalia, Iberia, KLM, Swiss, Turkish, LOT, Aeroflot, Delta
$761
Air Canada, Swiss, British Airways, Finnair, Alitalia, SAS, Delta, Turkish, Air New Zealand, United, American, US Airways, Air France, Lufthansa, Iberia, Aer Lingus, KLM
$739
LOT, Alitalia, Singapore, Delta, United, Austrian, Aeroflot, Egyptair, Royal Jordanian, US Airways, Air New Zealand, Turkish, KLM, Swiss, British Airways, Air France, American, Air Canada, Lufthansa
$831
British Airways, Air Europa, Iberia, Air France, American, KLM
$1177
KLM, SAS, Austrian, Alitalia, Finnair, Brussels, US Airways, Korean, Air Europa, Iberia, Delta, Aeroflot, LOT, Swiss, Air Canada, United, American, British Airways, Turkish, Emirates, Lufthansa, Air France, Air Berlin
$751
KLM, Aeroflot, British Airways, Finnair, Alitalia, Air Berlin, Austrian, Turkish, Swiss, Brussels, US Airways, Air Europa, Iberia, Lufthansa, Air Canada, Delta, SAS, Air France, American
$751
Delta, LOT, Swiss, Turkish, Air New Zealand, Brussels, Finnair, British Airways, Air Canada, United, American, Air Berlin, Air France, Lufthansa, Virgin Atlantic, Iberia, KLM, Tap Portugal, Austrian, Aeroflot, SAS, Alitalia, US Airways
$794
Alitalia, Austrian, SAS, KLM, US Airways, Korean, Iberia, Delta, Air France, American, Brussels, Finnair, British Airways, Air Canada, United, Lufthansa, Air Berlin, Tap Portugal, LOT, Swiss, Turkish, Aeroflot
$738
Brussels, Emirates, Iberia, Air France, Qatar, Turkish, KLM, Alitalia, British Airways, Egyptair, Tap Portugal, Air Canada, Delta, American, Lufthansa
$737
US Airways, Turkish, KLM, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, American, Delta, Air France, Lufthansa, Iberia, Air Europa, Austrian
$749

Cheap International Flights to Porto - OPO

Flights
Airline
Lowest Price
US Airways, KLM, Alitalia, Brussels, British Airways, Air Canada, United, Lufthansa, Iberia, American
$1176
US Airways, American, KLM, British Airways, Air Canada, United, Lufthansa, Iberia
$1176
Alitalia, US Airways, American, United, KLM
$1176
Air France, Delta, United, Lufthansa, Air Canada, Brussels, Alitalia, KLM, US Airways, British Airways, Iberia, American
$967
Air France, Virgin Atlantic, Delta, United, Alitalia, KLM, US Airways, American
$1342
Brussels, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Alitalia, US Airways, KLM, British Airways
$1166
United, US Airways, Alitalia, Air France, Brussels, British Airways, Air Canada, Delta, Iberia, KLM, Lufthansa, Air Berlin, American
$997
Iberia, Delta, United, Air Canada, American, Air Berlin, Air France, Lufthansa, US Airways, KLM, British Airways
$1194
Air France, American, Delta, US Airways, KLM, British Airways, Air Canada, Lufthansa, Iberia, United
$1166
Lufthansa, Delta, American, Virgin Atlantic, United, US Airways, Air Canada, British Airways, Alitalia, Brussels, KLM, SAS, Air Berlin, Air France, Iberia
$1116
Delta, American, United, Alitalia, KLM, US Airways, Air France
$1166
Air France, Air Berlin, Lufthansa, American, Delta, US Airways, Air Canada, Iberia, United, British Airways, Air Tahiti Nui, KLM
$1335
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Cheap Flights from San Francisco to Porto, from $743 Round trip from SFO to OPO