San Francisco (SFO) to Barcelona (BCN) flight deal from $434 USD in economy class – flightdeals.net

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Finnair

Round Trip•Economy

San Francisco International Airport

San Francisco, United States

Barcelona Airport

Barcelona, Spain

$977 USD

-56%$434 USD

Verified Dec 1, 2025 at 9:02 AM

December 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2$1,276 3$3,355 4 5$1,338 6$3,734 7$1,248 8 9$1,036 10 11$3,048 12 13 14$1,316 15$1,004 16$1,191 17$1,571 18 19$3,815 20$3,605 21$3,605 22 23$3,605 24 25$1,868 26 27$1,763 28 29 30$1,178 31$718 1$756 2 3 4

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Friday, December 19th, 2025

3 round-trip options

Returning

Sun, Dec 28, 2025•9 Day Trip

$3,875 USD

Returning

Tue, Dec 30, 2025•11 Day Trip

$3,815 USD

Returning

Thu, Jan 1, 2026•13 Day Trip

$5,756 USD