Cheap Flights from Seattle to Cancún
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Deals from
Seattle
RatePunk searches hundreds of travel sites at once for deals on flights to Cancún
Prices updated 7 days ago
483 airlines compared
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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 Cancún
Explore current cheapest deals departing from Seattle to Cancún
2027-04-10 – 2027-04-20
SEA - Cancún
75% AI deal score
$492
$450
Round trip
2027-04-07 – 2027-04-09
SEA - Cancún
76% AI deal score
$509
$451
Round trip
2027-04-07 – 2027-04-20
SEA - Cancún
75% AI deal score
$485
$451
Round trip
2027-02-03 – 2027-02-23
SEA - Cancún
68% AI deal score
$415
$487
Round trip
2027-01-20 – 2027-01-27
SEA - Cancún
72% AI deal score
$367
$489
Round trip
2027-02-07 – 2027-02-23
SEA - Cancún
68% AI deal score
$413
$491
Round trip
2027-02-01 – 2027-02-23
SEA - Cancún
68% AI deal score
$412
$492
Round trip
2027-02-17 – 2027-02-23
SEA - Cancún
69% AI deal score
$429
$492
Round trip
2027-02-10 – 2027-02-23
SEA - Cancún
68% AI deal score
$417
$493
Round trip
2026-12-01 – 2026-12-08
SEA - Cancún
77% AI deal score
$526
$495
Round trip