Cancún (CUN) to Seattle / Tacoma (SEA) flight deal from $384 USD in economy class

ASAlaska Airlines, Inc.

Round Trip•Economy

CUN

Cancún International Airport

Cancún, Mexico

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$660 USD

-42%$384 USD

Verified Nov 29, 2025 at 3:28 AM

February 2026

Today

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Tue

Wed

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Sun

26 27 28 29 30 31 1$455 2$456 3$430 4$412 5$441 6$464 7$464 8$454 9$448 10$422 11$422 12$415 13$404 14$439 15$487 16$671 17$623 18$428 19$447 20$548 21$754 22$738 23$524 24$465 25$462 26$457 27$480 28$499 1$559

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Wednesday, February 4th, 2026

10 round-trip options

Returning

Mon, Feb 9, 2026•5 Day Trip

$412 USD

Google Flights

Returning

Tue, Feb 10, 2026•6 Day Trip

$521 USD

Google Flights

Returning

Wed, Feb 11, 2026•7 Day Trip

$665 USD

Google Flights

Returning

Thu, Feb 12, 2026•8 Day Trip

$782 USD

Google Flights

Returning

Fri, Feb 13, 2026•9 Day Trip

$743 USD

Google Flights

Returning

Sat, Feb 14, 2026•10 Day Trip

$595 USD

Google Flights

Returning

Sun, Feb 15, 2026•11 Day Trip

$542 USD

Google Flights

Returning

Mon, Feb 16, 2026•12 Day Trip

$519 USD

Google Flights

Returning

Tue, Feb 17, 2026•13 Day Trip

$462 USD

Google Flights

Returning

Wed, Feb 18, 2026•14 Day Trip

$579 USD

Google Flights