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 10 hours ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Thursday, September 10th, 2026

7 round-trip options

Returning
Tue, Sep 15, 2026•5 Day Trip
$781 USD
Google Flights
Returning
Wed, Sep 16, 2026•6 Day Trip
$848 USD
Google Flights
Returning
Thu, Sep 17, 2026•7 Day Trip
$925 USD
Google Flights
Returning
Mon, Sep 21, 2026•11 Day Trip
$781 USD
Google Flights
Returning
Tue, Sep 22, 2026•12 Day Trip
$781 USD
Google Flights
Returning
Wed, Sep 23, 2026•13 Day Trip
$856 USD
Google Flights
Returning
Thu, Sep 24, 2026•14 Day Trip
$781 USD
Google Flights