Lisbon (LIS) to San Francisco (SFO) flight deal from $611 USD in economy class

AAAmerican Airlines

AYFinnair

Portela Airport

Lisbon, Portugal

SFO

San Francisco International Airport

San Francisco, United States

$891 USD

-31%$611 USD

Verified Nov 3, 2025 at 3:43 AM

December 2025

Today

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Tue

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Sun

1$945 2$802 3$772 4$751 5$751 6$751 7$750 8$751 9$751 10$750 11$905 12$884 13$756 14$756 15$756 16$751 17$751 18$751 19$751 20$798 21$865 22$798 23$772 24$751 25$851 26$882 27$888 28$881 29$1,058 30$1,064 31$1,087 1 2 3 4

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Saturday, December 6th, 2025

10 round-trip options

Returning

Thu, Dec 11, 2025•5 Day Trip

$751 USD

Google Flights

Returning

Fri, Dec 12, 2025•6 Day Trip

$798 USD

Google Flights

Returning

Sat, Dec 13, 2025•7 Day Trip

$849 USD

Google Flights

Returning

Sun, Dec 14, 2025•8 Day Trip

$751 USD

Google Flights

Returning

Mon, Dec 15, 2025•9 Day Trip

$751 USD

Google Flights

Returning

Tue, Dec 16, 2025•10 Day Trip

$905 USD

Google Flights

Returning

Wed, Dec 17, 2025•11 Day Trip

$1,228 USD

Google Flights

Returning

Thu, Dec 18, 2025•12 Day Trip

$1,574 USD

Google Flights

Returning

Fri, Dec 19, 2025•13 Day Trip

$2,432 USD

Google Flights

Returning

Sat, Dec 20, 2025•14 Day Trip

$1,388 USD

Google Flights