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$145+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Cancun to Seattle/Tacoma Intl are usually found in August or June, booked 12 days in advance, depart on a Sunday or Friday 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 September 17, 2025.

Round-trip from

$322
(Delta)

One-way from

$145
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$535

Good round-trip deal

$246 or less

Good one-way deal

$268 or less
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. 13% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 10/244:10 pmCUN - SEA
Nonstop6h 35mDelta
Mon 10/277:24 amSEA - CUN
Nonstop5h 46mDelta
Deal found 9/16$322
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/74:10 pmCUN - SEA
Nonstop6h 33mAlaska Airlines
Sun 10/198:12 amSEA - CUN
Nonstop6h 08mAlaska Airlines
Deal found 9/14$325
This Delta deal was found by Cheapflights users on 9/14. 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 10/88:00 amCUN - SEA
1 stop17h 54mDelta
Sat 10/189:59 pmSEA - CUN
1 stop11h 26mDelta
Deal found 9/14$330
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 10/54:10 pmCUN - SEA
Nonstop6h 33mAlaska Airlines
Mon 10/209:15 pmSEA - CUN
1 stop15h 45mAlaska Airlines
Deal found 9/14$346
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/78:10 amCUN - SEA
2 stops14h 35mDelta
Tue 10/215:25 amSEA - CUN
1 stop7h 51mDelta
Deal found 9/14$349
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:20 pmCUN - SEA
1 stop13h 07mAmerican Airlines
Fri 10/315:22 amSEA - CUN
1 stop9h 43mAmerican Airlines
Deal found 9/15$350
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/81:43 pmCUN - SEA
1 stop11h 32mUnited Airlines
Sun 10/198:42 amSEA - CUN
2 stops23h 22mUnited Airlines
Deal found 9/14$351
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:10 pmCUN - SEA
Nonstop6h 33mHawaiian Airlines
Tue 10/218:12 amSEA - CUN
Nonstop6h 08mHawaiian Airlines
Deal found 9/14$362
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 12/185:15 pmCUN - SEA
Nonstop6h 45mDelta
Mon 12/2912:59 amSEA - CUN
1 stop11h 21mDelta
Deal found 9/15$364
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/64:10 pmCUN - SEA
Nonstop6h 33mAlaska Airlines
Sat 10/188:12 amSEA - CUN
Nonstop6h 08mAlaska Airlines
Deal found 9/14$366
This Delta deal was found by Cheapflights users on 9/17. 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.
Thu 12/1812:10 pmCUN - SEA
1 stop11h 40mDelta
Wed 12/316:15 amSEA - CUN
1 stop12h 05mDelta
Deal found 9/17$371

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 September 17, 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

Fri 10/24

4:10 pm-8:45 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 10/27

7:24 am-3:10 pm

Nonstop5h 46m

$322

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 10/7

8:10 am-8:00 pm

1 stop13h 50m

Seattle/Tacoma Intl

Tue 10/21

5:25 am-3:16 pm

1 stop7h 51m

$325

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sat 10/4

4:25 pm-8:49 pm

Nonstop6h 24m

Seattle/Tacoma Intl

Sat 10/18

9:59 pm-11:25 am

1 stop11h 26m

$325

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sat 10/4

4:25 pm-8:49 pm

Nonstop6h 24m

Seattle/Tacoma Intl

Mon 10/20

9:25 pm-5:05 pm

1 stop17h 40m

$325

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 10/10

4:10 pm-8:45 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 10/20

9:25 pm-5:05 pm

1 stop17h 40m

$325

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 10/6

4:10 pm-8:45 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 10/20

9:25 pm-5:05 pm

1 stop17h 40m

$325

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 10/9

4:10 pm-8:45 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Tue 10/21

5:25 am-3:16 pm

1 stop7h 51m

$325

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 10/6

7:51 am-9:15 pm

2 stops15h 24m

Seattle/Tacoma Intl

Fri 10/24

4:35 pm-12:02 pm

1 stop17h 27m

$330

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Wed 10/8

1:43 pm-11:15 pm

1 stop11h 32m

Seattle/Tacoma Intl

Mon 10/20

11:10 pm-12:02 pm

1 stop10h 52m

$330

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 10/6

7:51 am-9:23 pm

1 stop15h 32m

Seattle/Tacoma Intl

Mon 10/20

11:10 pm-12:33 pm

1 stop11h 23m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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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

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 September 12, 2025.

The best time to book flights from Cancún to Seattle is 12 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, January is the cheapest month in which you can book a flight from Cancún to Seattle (average of $238). Flying from Cancún to Seattle in June is currently the most expensive (average of $387). 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 September 17, 2025.

It’s optimal to fly from Cancún to Seattle at noon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

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 September 17, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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.

  • 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 Aeromexico fly from Cancún to Seattle in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 7h 15m. 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 29% cheaper than the other options available to this destination.

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

    Consider Aeromexico (97%), Delta (93%) or Korean Air (93%) 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 $185. On average you can expect to pay $338. The most popular route, (Cancun - Seattle/Tacoma Intl), can usually be booked for $322.

  • 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, January is the cheapest month in which you can book a flight from Cancún to Seattle (average of $238). Flying from Cancún to Seattle in June is currently the most expensive (average of $387). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$529FlexibilityNo cancel feeOn-timeN/A

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