$206 Cheap United flights Cancun (CUN) to Seattle (SEA)

View $206 flight on Tue, Jan 13, 2026Opens in a new window

$206 Cheap United flights Cancun (CUN) to Seattle (SEA)

Prices were available within the past 7 days and start at $206 for one-way flights and $382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Feb 4 - Wed, Feb 18
CUN
Cancun
SEA
Seattle
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 4 from Cancun to Seattle, returning Wed, Feb 18, priced at $382 found 2 days ago
United
Wed, Jan 14 - Wed, Feb 4
CUN
Cancun
SEA
Seattle
$383 Roundtrip, found 15 hours ago
$383
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Jan 14 from Cancun to Seattle, returning Wed, Feb 4, priced at $383 found 15 hours ago
United
Fri, Feb 13 - Fri, Feb 20
CUN
Cancun
SEA
Seattle
$384 Roundtrip, just found
$384
Roundtrip
just found
Select United flight, departing Fri, Feb 13 from Cancun to Seattle, returning Fri, Feb 20, priced at $384 just found
United
Sat, Jan 24 - Sat, Jan 31
CUN
Cancun
SEA
Seattle
$384 Roundtrip, found 4 days ago
$384
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jan 24 from Cancun to Seattle, returning Sat, Jan 31, priced at $384 found 4 days ago
United
Wed, Feb 18 - Wed, Feb 25
CUN
Cancun
SEA
Seattle
$385 Roundtrip, found 8 hours ago
$385
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Feb 18 from Cancun to Seattle, returning Wed, Feb 25, priced at $385 found 8 hours ago
United
Sat, Jan 31 - Sun, Feb 1
CUN
Cancun
SEA
Seattle
$386 Roundtrip, found 3 days ago
$386
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 31 from Cancun to Seattle, returning Sun, Feb 1, priced at $386 found 3 days ago
United
Tue, Nov 25 - Tue, Jan 20
CUN
Cancun
SEA
Seattle
$393 Roundtrip, found 18 hours ago
$393
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Nov 25 from Cancun to Seattle, returning Tue, Jan 20, priced at $393 found 18 hours ago
Flights from Cancun (CUN) to Seattle (SEA)
Origin airport
Cancun Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United, Volaris
Popular airline
Aeromexico
Distance
2683 mi
Average flight time
4 hours 35 mins

Frequently asked questions

How much is a United Airlines flight from Cancun Intl. Airport (CUN) to Seattle - Tacoma Intl. Airport (SEA)?
Landing cheap one-way United Airlines flights from CUN to SEA from $206 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $382 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from CUN to SEA with United Airlines?
January is one of the most affordable months to travel to Seattle with United Airlines. You could also find great deals on return and one-way tickets in February.
What is the cheapest time to book flights from Cancun Intl. Airport (CUN) to Seattle - Tacoma Intl. Airport (SEA) with United Airlines?
To find affordable flights from CUN to SEA with United Airlines, begin searching about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Cancun Intl. Airport (CUN) to Seattle - Tacoma Intl. Airport (SEA)?
To see if there's a direct route from CUN to SEA with United Airlines or other airlines, use our "Nonstop" filter when browsing for tickets.
What is the earliest United Airlines flight from CUN to SEA?
To find the earliest departures from CUN to SEA with United Airlines, filter your results by "Morning" and "Early Morning." Booking an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Seattle?
Seattle - Tacoma Intl. Airport (SEA) is the primary Seattle gateway for United Airlines flights from Cancun Intl. Airport (CUN).
Why fly with United Airlines from CUN to SEA?
Offering a rewarding loyalty program, United Airlines is a popular choice for many travelers heading from CUN to SEA. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Cancun Intl. Airport (CUN) to Seattle - Tacoma Intl. Airport (SEA)?
It's generally possible to modify or cancel your flight, although there may be a charge if you booked over 24 hours ago. Need flexible options? Apply the "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you need to adjust your plans. To update your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.