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$148+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
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Cheap 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 March 29, 2026.

This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:39 pm
CUN
-
SEA
1 stop20h 10m
Frontier
Sat 5/166:52 pm
SEA
-
CUN
1 stop15h 12m
Frontier
Deal found 3/25$298
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:14 pm
CUN
-
SEA
2 stops22h 35m
Frontier
Tue 5/1911:06 am
SEA
-
CUN
2 stops20h 48m
Frontier
Deal found 3/27$315
This Expedia deal was found by Cheapflights users on 3/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:39 pm
CUN
-
SEA
1 stop20h 10m
Frontier
Tue 5/197:50 pm
SEA
-
CUN
1 stop14h 14m
Frontier
Deal found 3/28$319
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:14 pm
CUN
-
SEA
2 stops22h 35m
Frontier
Tue 5/1911:06 am
SEA
-
CUN
2 stops20h 48m
Frontier
Deal found 3/27$331
This Orbitz deal was found by Cheapflights users on 3/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:07 pm
CUN
-
SEA
2 stops43h 20m
Frontier
Tue 5/57:50 pm
SEA
-
CUN
1 stop14h 14m
Frontier
Deal found 3/25$335
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:14 pm
CUN
-
SEA
2 stops22h 35m
Frontier
Thu 5/217:50 pm
SEA
-
CUN
1 stop14h 14m
Frontier
Deal found 3/27$339
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:25 am
CUN
-
SEA
2 stops25h 24m
Frontier
Mon 5/1811:06 am
SEA
-
CUN
2 stops22h 58m
Frontier
Deal found 3/26$345
This Priceline deal was found by Cheapflights users on 3/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:39 pm
CUN
-
SEA
1 stop20h 10m
Frontier
Sun 5/177:50 pm
SEA
-
CUN
1 stop14h 14m
Frontier
Deal found 3/26$350
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:14 pm
CUN
-
SEA
2 stops22h 35m
Frontier
Tue 5/1911:06 am
SEA
-
CUN
2 stops20h 48m
Frontier
Deal found 3/27$353
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:14 pm
CUN
-
SEA
2 stops22h 35m
Frontier
Fri 5/157:50 pm
SEA
-
CUN
1 stop14h 14m
Frontier
Deal found 3/27$355

Find 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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Expedia)

One-way from

$148
(CheapOair)

Popular in

March

Cheapest in

August

Average price

$625

Good round-trip deal

$218 or less

Good one-way deal

$326 or less
Provider with most accurate pricing for Cancun-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cancun-Seattle/Tacoma Intl flights.
Search Deals
From Cancun to Seattle/Tacoma Intl
Search Deals
One-way flight from Cancun to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Cancun to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Cancun to Seattle/Tacoma Intl.
Search Deals

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 March 29, 2026.
Use the filters below to find and compare flights from Cancún to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Wed 5/6

4:17 pm-9:01 pm

Nonstop6h 44m

Seattle/Tacoma Intl

Sun 5/10

10:15 am-11:45 pm

2 stops11h 30m

$416
Quickest round-trip

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/8

4:25 pm-9:00 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 5/18

7:25 am-3:15 pm

Nonstop5h 50m

$418

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 4/23

11:10 am-7:55 pm

1 stop10h 45m

Seattle/Tacoma Intl

Wed 4/29

6:00 am-8:15 pm

1 stop12h 15m

$418

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/1

4:17 pm-9:01 pm

Nonstop6h 44m

Seattle/Tacoma Intl

Mon 5/11

6:00 am-8:16 pm

1 stop12h 16m

$422

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 5/7

4:25 pm-9:00 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 5/11

7:25 am-3:15 pm

Nonstop5h 50m

$423
Cheapest one-way

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 4/30

4:17 pm-9:01 pm

Nonstop6h 44m

$242
Quickest one-way

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 5/21

4:25 pm-9:00 pm

Nonstop6h 35m

$246

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Wed 5/20

2:10 pm-11:44 pm

1 stop11h 34m

$252

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 6/2

12:43 pm-7:49 pm

1 stop9h 06m

$253

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 5/11

4:25 pm-9:00 pm

Nonstop6h 35m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Currently, April is the cheapest month in which you can book a flight from Cancún to Seattle (average of $192). Flying from Cancún to Seattle in February is currently the most expensive (average of $530). 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 March 29, 2026.

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Cancún to Seattle trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on CUN

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 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 March 29, 2026.
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
8,359 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

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
8,359 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

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 4 flights from Cancun to Seattle/Tacoma Intl, all of which are around 6h 19m 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 Aeromexico and Delta fly from Cancún to Seattle in about 6h 35m. The time it takes to get you to your destination is usually consistent. There are 2683 mi between Cancún and Seattle. All flights are typically nonstop.

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

    According to our current data, Delta ($332), offers the cheapest pricing from Cancún to Seattle. Users have found that Delta is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Cancún to Seattle one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $154. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Cancún to Seattle for a low price.

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

    Consider Alaska Airlines (73%), Hawaiian Airlines (73%) or Delta (37%) 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 $207. On average you can expect to pay $310. The most popular route, (Cancun - Seattle/Tacoma Intl), can usually be booked for $358.

  • 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, April is the cheapest month in which you can book a flight from Cancún to Seattle (average of $192). Flying from Cancún to Seattle in February is currently the most expensive (average of $530). 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
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Snoqualmie
Ellensburg
Tukwila
Fife
Lakewood
Leavenworth
Issaquah
Aberdeen
Shoreline

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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$332Average$509FlexibilityNo cancel feeOn-timeN/A

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