Cheap Flights from Seattle to Lisbon
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Deals from
Seattle
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 Seattle to Lisbon
Explore current cheapest deals departing from Seattle to Lisbon
2027-01-13 – 2027-01-19
SEA - Lisbon
76% AI deal score
$626
$689
Round trip
2027-01-06 – 2027-01-21
SEA - Lisbon
76% AI deal score
$609
$694
Round trip
2026-11-23 – 2026-12-08
SEA - Lisbon
76% AI deal score
$633
$699
Round trip
2027-01-13 – 2027-01-26
SEA - Lisbon
76% AI deal score
$613
$701
Round trip
2027-01-20 – 2027-01-26
SEA - Lisbon
76% AI deal score
$639
$706
Round trip
2027-01-20 – 2027-01-28
SEA - Lisbon
76% AI deal score
$629
$707
Round trip
2027-01-09 – 2027-01-14
SEA - Lisbon
76% AI deal score
$642
$740
Round trip
2027-01-09 – 2027-01-26
SEA - Lisbon
76% AI deal score
$609
$742
Round trip
2027-02-06 – 2027-02-16
SEA - Lisbon
77% AI deal score
$718
$745
Round trip
2026-11-30 – 2026-12-08
SEA - Lisbon
76% AI deal score
$650
$752
Round trip
