San Francisco (SFO) to Lisbon (LIS) flight deal from $577 USD in economy class

AAAmerican Airlines

AYFinnair

San Francisco International Airport

San Francisco, United States

LIS

Portela Airport

Lisbon, Portugal

$843 USD

-32%$577 USD

Verified Nov 3, 2025 at 3:42 AM

December 2025

Today

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1$585 2$585 3$585 4$635 5$635 6$599 7$585 8$585 9$585 10$585 11$635 12$729 13$622 14$616 15$616 16$802 17$1,162 18$1,360 19$1,817 20$1,729 21$1,681 22$1,216 23$975 24$991 25$914 26$860 27$728 28$678 29$612 30$585 31$585 1 2 3 4

Limited Availability

15% of dates checked are available within 10% of the lowest price

Wednesday, December 17th, 2025

10 round-trip options

Returning

Mon, Dec 22, 2025•5 Day Trip

$1,212 USD

Google Flights

Returning

Tue, Dec 23, 2025•6 Day Trip

$1,206 USD

Google Flights

Returning

Wed, Dec 24, 2025•7 Day Trip

$1,162 USD

Google Flights

Returning

Thu, Dec 25, 2025•8 Day Trip

$1,242 USD

Google Flights

Returning

Fri, Dec 26, 2025•9 Day Trip

$1,288 USD

Google Flights

Returning

Sat, Dec 27, 2025•10 Day Trip

$1,348 USD

Google Flights

Returning

Sun, Dec 28, 2025•11 Day Trip

$1,415 USD

Google Flights

Returning

Mon, Dec 29, 2025•12 Day Trip

$1,415 USD

Google Flights

Returning

Tue, Dec 30, 2025•13 Day Trip

$1,544 USD

Google Flights

Returning

Wed, Dec 31, 2025•14 Day Trip

$1,540 USD

Google Flights