Lisbon (LIS) to San Francisco (SFO) flight deal in economy from $637

American AirlinesAAAmerican AirlinesFinnairAYFinnairBritish AirwaysBABritish AirwaysIberia AirlinesIBIberia Airlines
Round Trip•Economy
PortugalLIS

Portela Airport

Lisbon, Portugal
United StatesSFO

San Francisco International Airport

San Francisco, United States
$903 USD
-29%$637 USD
Verified about 19 hours ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

5 round-trip options

Returning
Thu, Dec 24, 2026•6 Day Trip
$867 USD
Google Flights
Returning
Fri, Dec 25, 2026•7 Day Trip
$862 USD
Google Flights
Returning
Sun, Dec 27, 2026•9 Day Trip
$775 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$775 USD
Google Flights
Returning
Thu, Dec 31, 2026•13 Day Trip
$769 USD
Google Flights