Lisbon (LIS) to San Francisco (SFO) flight deal in economy from $650

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
PortugalLIS

Portela Airport

Lisbon, Portugal
United StatesSFO

San Francisco International Airport

San Francisco, United States
$821 USD
-21%$650 USD
Verified about 8 hours ago
Fair Availability
34% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

7 round-trip options

Returning
Wed, Dec 23, 2026•5 Day Trip
$895 USD
Google Flights
Returning
Thu, Dec 24, 2026•6 Day Trip
$867 USD
Google Flights
Returning
Fri, Dec 25, 2026•7 Day Trip
$858 USD
Google Flights
Returning
Sun, Dec 27, 2026•9 Day Trip
$690 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$682 USD
Google Flights
Returning
Tue, Dec 29, 2026•11 Day Trip
$686 USD
Google Flights
Returning
Wed, Dec 30, 2026•12 Day Trip
$690 USD
Google Flights