Lisbon (LIS) to San Francisco (SFO) flight deal in economy from $637
LISPortela Airport
Lisbon, Portugal
SFOSan Francisco International Airport
San Francisco, United States
$903 USD
-29%$637 USD
Verified about 18 hours agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
5% of dates checked are available within 10% of the lowest price
Tuesday, December 1st, 2026
5 round-trip options
Returning
Mon, Dec 7, 2026•6 Day Trip
$802 USD
Returning
Tue, Dec 8, 2026•7 Day Trip
$802 USD
Returning
Thu, Dec 10, 2026•9 Day Trip
$876 USD
Returning
Fri, Dec 11, 2026•10 Day Trip
$876 USD
Returning
Mon, Dec 14, 2026•13 Day Trip
$786 USD