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 10 hours agoAugust 2026
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Rare Availability
5% of dates checked are available within 10% of the lowest price
Monday, August 17th, 2026
4 round-trip options
Returning
Sun, Aug 23, 2026•6 Day Trip
$1,373 USD
Returning
Tue, Aug 25, 2026•8 Day Trip
$1,323 USD
Returning
Thu, Aug 27, 2026•10 Day Trip
$1,261 USD
Returning
Fri, Aug 28, 2026•11 Day Trip
$1,352 USD