OPO to SFO from $669 in economy – flightdeals.net

Home Premium Fare Deals About

Air Canada

Lufthansa

Swiss International Air Lines

LXSwiss International Air Lines

Austrian Airlines

OSAustrian Airlines

United Airlines

UAUnited Airlines

Round Trip•Economy

Francisco Sá Carneiro Airport

Porto, Portugal

San Francisco International Airport

San Francisco, United States

$871 USD

-23%$669 USD

Verified about 5 hours ago

February 2027

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1$686 2$669 3$673 4$674 5$681 6$682 7$681 8$682 9$674 10$674 11$673 12$673 13$839 14$839 15$852 16$850 17$850 18$884 19$863 20$850 21$863 22$879 23$850 24$850 25$850 26$850 27$859 28$863

Limited Availability

16% of dates checked are available within 10% of the lowest price

Thursday, February 18th, 2027

4 round-trip options

Returning

Wed, Feb 24, 2027•6 Day Trip

$884 USD

Returning

Thu, Feb 25, 2027•7 Day Trip

$884 USD

Returning

Fri, Feb 26, 2027•8 Day Trip

$884 USD

Returning

Sat, Feb 27, 2027•9 Day Trip

$884 USD