Cheap Flights from Seattle to Madrid
Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Seattle
RatePunk searches hundreds of travel sites at once for deals on flights to Madrid
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 Madrid
Explore current cheapest deals departing from Seattle to Madrid
2027-04-12 – 2027-04-23
SEA - Madrid
92% AI deal score
$964
$605
Round trip
2027-01-14 – 2027-01-28
SEA - Madrid
79% AI deal score
$726
$670
Round trip
2027-04-07 – 2027-04-25
SEA - Madrid
89% AI deal score
$948
$689
Round trip
2027-04-07 – 2027-04-26
SEA - Madrid
89% AI deal score
$949
$711
Round trip
2027-03-15 – 2027-03-22
SEA - Madrid
81% AI deal score
$890
$758
Round trip
2027-02-03 – 2027-02-10
SEA - Madrid
79% AI deal score
$784
$758
Round trip
2026-11-17 – 2026-11-24
SEA - Madrid
74% AI deal score
$706
$768
Round trip
2027-01-21 – 2027-01-28
SEA - Madrid
78% AI deal score
$755
$777
Round trip
2027-01-27 – 2027-02-03
SEA - Madrid
77% AI deal score
$760
$778
Round trip
2027-03-03 – 2027-03-25
SEA - Madrid
81% AI deal score
$859
$782
Round trip
