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

Wednesday, September 16th, 2026

7 round-trip options

Returning
Mon, Sep 21, 20265 Day Trip
$866 USD
Returning
Tue, Sep 22, 20266 Day Trip
$869 USD
Returning
Wed, Sep 23, 20267 Day Trip
$876 USD
Returning
Sun, Sep 27, 202611 Day Trip
$787 USD
Returning
Mon, Sep 28, 202612 Day Trip
$788 USD
Returning
Tue, Sep 29, 202613 Day Trip
$853 USD
Returning
Wed, Sep 30, 202614 Day Trip
$853 USD