Cheap Flights from San Francisco to Lisbon
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Deals from
San Francisco
RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon
Prices updated 7 days ago
483 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)
Today’s best flight deals from San Francisco to Lisbon
Explore current cheapest deals departing from San Francisco to Lisbon
2026-12-02 – 2026-12-24
SFO - Lisbon
78% AI deal score
$657
$658
Round trip
2026-12-01 – 2026-12-24
SFO - Lisbon
78% AI deal score
$657
$658
Round trip
2026-11-02 – 2026-11-18
SFO - Lisbon
74% AI deal score
$574
$667
Round trip
2026-11-17 – 2026-11-26
SFO - Lisbon
75% AI deal score
$591
$668
Round trip
2026-11-17 – 2026-11-24
SFO - Lisbon
75% AI deal score
$607
$668
Round trip
2026-12-01 – 2026-12-09
SFO - Lisbon
77% AI deal score
$687
$668
Round trip
2026-12-02 – 2026-12-09
SFO - Lisbon
78% AI deal score
$709
$668
Round trip
2026-12-02 – 2026-12-06
SFO - Lisbon
79% AI deal score
$742
$668
Round trip
2026-11-09 – 2026-11-18
SFO - Lisbon
74% AI deal score
$573
$672
Round trip
2026-11-04 – 2026-11-18
SFO - Lisbon
74% AI deal score
$578
$672
Round trip