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

Saturday, December 12th, 2026

5 round-trip options

Returning
Fri, Dec 18, 20266 Day Trip
$1,125 USD
Returning
Sat, Dec 19, 20267 Day Trip
$1,124 USD
Returning
Mon, Dec 21, 20269 Day Trip
$891 USD
Returning
Tue, Dec 22, 202610 Day Trip
$831 USD
Returning
Fri, Dec 25, 202613 Day Trip
$862 USD