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$176+ Cheap flights from Cancún (CUN) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find cheap flights from Cancún to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Cancun to Seattle/Tacoma Intl are usually found in August or October, booked 22 days in advance, depart on a Friday or Sunday and return on a Monday

Cheap flight deals from Cancún to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$373
(Cheapflightsfares)

One-way from

$176
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$491

Good round-trip deal

$241 or less

Good one-way deal

$316 or less
Provider with most accurate pricing for Cancun-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Cancun-Seattle/Tacoma Intl flights.
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From Cancun to Seattle/Tacoma Intl
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One-way flight from Cancun to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Cancun to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Cancun to Seattle/Tacoma Intl.
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Find flight deals from Cancún to Seattle

Cheapest flights from Cancún to Seattle
Explore the most affordable flight options available from Cancún to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:15 pmCUN - SEA
Nonstop6h 40mDelta
Wed 11/127:11 amSEA - CUN
Nonstop5h 54mDelta
Deal found 11/6$332
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:37 pmCUN - SEA
1 stop11h 46mDelta
Sat 11/1511:10 pmSEA - CUN
1 stop10h 27mDelta
Deal found 11/6$338
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:58 pmCUN - SEA
1 stop22h 32mFrontier
Sun 1/42:54 pmSEA - CUN
1 stop23h 18mFrontier
Deal found 11/6$367
This Cheapflightsfares deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:15 pmCUN - SEA
2 stops25h 21mAlaska Airlines
Sun 1/48:06 amSEA - CUN
Nonstop5h 59mAlaska Airlines
Deal found 11/6$373
This Alaska Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:10 amCUN - SEA
Nonstop6h 40mAlaska Airlines
Sun 1/48:06 amSEA - CUN
Nonstop5h 59mAlaska Airlines
Deal found 11/6$379
This eDestinos deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:10 amCUN - SEA
Nonstop6h 40mAlaska Airlines
Tue 12/309:00 amSEA - CUN
1 stop18h 50mAlaska Airlines
Deal found 11/6$380
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:50 pmCUN - SEA
1 stop10h 09mUnited Airlines
Sun 1/411:59 pmSEA - CUN
2 stops13h 00mUnited Airlines
Deal found 11/6$382
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:58 pmCUN - SEA
1 stop22h 32mMultiple Airlines
Sat 1/312:25 amSEA - CUN
1 stop12h 23mMultiple Airlines
Deal found 11/6$387
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:15 amCUN - SEA
Nonstop6h 41mAlaska Airlines
Sat 11/295:20 amSEA - CUN
1 stop8h 20mAlaska Airlines
Deal found 11/6$394

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Cancún to Seattle that are best for you.

Fly from

Cancún

Fly to

Seattle

Route

Depart

Return

Price

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 11/9

5:15 pm-8:55 pm

Nonstop6h 40m

Seattle/Tacoma Intl

Wed 11/12

7:11 am-4:05 pm

Nonstop5h 54m

$332

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 11/9

5:15 pm-8:55 pm

Nonstop6h 40m

Seattle/Tacoma Intl

Tue 11/18

7:11 am-4:05 pm

Nonstop5h 54m

$332

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Wed 11/12

8:39 am-6:25 pm

2 stops12h 46m

Seattle/Tacoma Intl

Sat 11/15

11:30 pm-3:59 pm

2 stops13h 29m

$338

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 12/22

8:10 am-11:50 am

Nonstop6h 40m

Seattle/Tacoma Intl

Mon 3/23

10:00 pm-12:18 pm

1 stop12h 18m

$411

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Wed 11/12

5:15 pm-8:55 pm

Nonstop6h 40m

Seattle/Tacoma Intl

Sat 11/15

7:11 am-4:05 pm

Nonstop5h 54m

$415

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 12/22

8:20 am-11:00 pm

1 stop17h 40m

Seattle/Tacoma Intl

Sun 12/28

12:25 am-3:48 pm

1 stop12h 23m

$424

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 11/9

5:15 pm-8:55 pm

Nonstop6h 40m

Seattle/Tacoma Intl

Thu 11/27

7:11 am-4:05 pm

Nonstop5h 54m

$451

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sat 1/24

11:33 am-9:34 am

2 stops49h 01m

$184

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 1/30

11:15 am-7:55 pm

1 stop11h 40m

$194

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 2/3

5:15 pm-9:00 pm

Nonstop6h 45m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 17 results
1
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Compare providers for flights from Cancún to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cancún to Seattle in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cancún-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cancún-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Cancún-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cancún-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cancún-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cancún to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cancún with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cancún to Seattle

How far ahead should I book a flight from Cancún to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Cancún to Seattle. Price data was last updated on October 31, 2025.

The best time to book flights from Cancún to Seattle is 18 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Cancún to Seattle?

Currently, February is the cheapest month in which you can book a flight from Cancún to Seattle (average of $223). Flying from Cancún to Seattle in March is currently the most expensive (average of $493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CUN to SEA?

Find hourly flight availability from Cancún to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to Seattle as you normally would.

How much does it cost to fly round-trip from Cancún to Seattle?

The best insider tips for Cancún to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Cancún to Seattle trip
Airports
CUN

Cancun Airport's terminals are crowded, so arrive early to navigate security lines and find seating before your flight to Seattle.

Read more about CUNby Ramsey Qubein
SEA

Use the Link light rail for a cost-effective, 40-minute ride from SEA to downtown Seattle, with ample luggage space.

Read more about SEAby Brandon Schultz
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on CUN

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated November 6, 2025.
Read reviews from past customers who have flown Delta from Cancún to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Overall

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Overall

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Cancún to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Cancún to Seattle?

    Booking a flight from Cancun (CUN) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Cancún to Seattle. On a typical day, there are 2 flights from Cancun to Seattle/Tacoma Intl, all of which are around 6h 35m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Cancun to Seattle.

  • How popular is this Cancún to Seattle flight route?

    The Cancun to Seattle/Tacoma Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Cancún to Seattle?

    Airlines like Delta and United Airlines fly from Cancún to Seattle in about 6h 40m. The time it takes to get you to your destination can typically vary by up to 6h 06m. There are 2683 mi between Cancún and Seattle. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Cancún to Seattle round-trip?

    According to our current data, Delta ($342), offers the cheapest pricing from Cancún to Seattle. Users have found that Delta is 27% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Cancún to Seattle?

    Consider Delta (92%), Korean Air (92%) or Aeromexico (92%) when booking your flight. These represent the most reliable airlines when flying from Cancún to Seattle.

  • What are the cheapest flights from Cancún to Seattle?

    The cheapest flight price from Cancún to Seattle is $192. On average you can expect to pay $362. The most popular route, (Cancun - Seattle/Tacoma Intl), can usually be booked for $327.

  • Can I find deals for flights from Cancún to Seattle that include hotel bookings?

    Yes. In addition to deals on Cancún to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cancún to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to Seattle.

  • Can I find deals for business class flights from Cancún to Seattle?

    Yes. Cheapflights offers flight deals from Cancún to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cancún to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Cancún to Seattle (average of $223). Flying from Cancún to Seattle in March is currently the most expensive (average of $493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cancún to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Cancún to Portland flights

Top airline flying from Cancún to Seattle

Discover the top airline that operate flights from Cancún to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$529FlexibilityNo cancel feeOn-timeN/A

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