HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$177+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cancún to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Cancun to Seattle/Tacoma Intl are usually found in August or June, booked 18 days in advance, depart on a Sunday or Friday and return on a Tuesday

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 June 12, 2025.

Round-trip from

$301
(Delta)

One-way from

$177
(Priceline)

Popular in

April

Cheapest in

August

Average price

$395

Good round-trip deal

$342 or less

Good one-way deal

$236 or less
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. 14% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 9/69:00 amCUN - SEA
1 stop13h 00mDelta
Fri 9/125:45 amSEA - CUN
1 stop7h 15mDelta
Deal found 6/10$301
This Aeromexico deal was found by Cheapflights users on 6/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:02 amCUN - SEA
2 stops16h 36mAeromexico
Fri 9/125:45 amSEA - CUN
1 stop7h 15mAeromexico
Deal found 6/11$308
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/265:35 amCUN - SEA
1 stop17h 37mUnited Airlines
Sat 8/25:10 amSEA - CUN
1 stop23h 38mUnited Airlines
Deal found 6/11$350
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/114:10 pmCUN - SEA
1 stop18h 43mAlaska Airlines
Sat 9/137:00 amSEA - CUN
2 stops30h 00mAlaska Airlines
Deal found 6/10$381
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/912:20 pmCUN - SEA
1 stop12h 07mAmerican Airlines
Mon 9/155:26 amSEA - CUN
1 stop7h 37mAmerican Airlines
Deal found 6/10$394
This Frontier deal was found by Cheapflights users on 6/10. 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 6/203:25 pmCUN - SEA
1 stop11h 09mFrontier
Mon 6/306:25 amSEA - CUN
1 stop7h 57mFrontier
Deal found 6/10$434
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:20 amCUN - SEA
1 stop12h 50mJetBlue
Wed 9/1711:40 pmSEA - CUN
1 stop12h 53mJetBlue
Deal found 6/10$436
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:55 amCUN - SEA
1 stop11h 40mMultiple Airlines
Sat 8/27:20 amSEA - CUN
Nonstop5h 55mMultiple Airlines
Deal found 6/11$453
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:50 amCUN - SEA
2 stops32h 35mSpirit Airlines
Sun 8/35:30 pmSEA - CUN
2 stops15h 50mSpirit Airlines
Deal found 6/11$526
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:20 amCUN - SEA
2 stops28h 46mAir Canada
Tue 9/1612:00 pmSEA - CUN
1 stop19h 20mAir Canada
Deal found 6/10$537
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:15 pmCUN - SEA
2 stops14h 10mSouthwest
Sun 1/48:35 pmSEA - CUN
2 stops15h 20mSouthwest
Deal found 6/10$784
This eDestinos deal was found by Cheapflights users on 6/9. 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.
Sun 6/157:40 pmCUN - SEA
2 stops26h 48mWestJet
Fri 6/278:40 amSEA - CUN
2 stops22h 43mWestJet
Deal found 6/9$1,307

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 June 12, 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

Sat 9/6

9:00 am-8:00 pm

1 stop13h 00m

Seattle/Tacoma Intl

Fri 9/12

5:45 am-3:00 pm

1 stop7h 15m

$301

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sat 9/6

6:02 am-8:38 pm

2 stops16h 36m

Seattle/Tacoma Intl

Fri 9/12

5:45 am-3:00 pm

1 stop7h 15m

$308

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sat 7/26

5:35 am-9:12 pm

1 stop17h 37m

Seattle/Tacoma Intl

Sat 8/2

5:10 am-6:48 am

1 stop23h 38m

$350

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 9/11

4:10 pm-8:53 am

1 stop18h 43m

Seattle/Tacoma Intl

Sat 9/13

7:00 am-3:00 pm

2 stops30h 00m

$381

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 9/9

12:20 pm-10:27 pm

1 stop12h 07m

Seattle/Tacoma Intl

Mon 9/15

5:26 am-3:03 pm

1 stop7h 37m

$394

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 9/9

11:20 am-10:10 pm

1 stop12h 50m

Seattle/Tacoma Intl

Wed 9/17

11:40 pm-2:33 pm

1 stop12h 53m

$436

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 7/13

10:32 am-8:34 am

1 stop24h 02m

Seattle/Tacoma Intl

Mon 7/14

7:48 pm-4:20 pm

1 stop18h 32m

$443

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sat 7/26

10:55 am-8:35 pm

1 stop11h 40m

Seattle/Tacoma Intl

Sat 8/2

7:20 am-3:15 pm

Nonstop5h 55m

$453

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 8/21

9:10 am-3:53 pm

3 stops32h 43m

Seattle/Tacoma Intl

Tue 8/26

4:58 pm-10:10 am

2 stops15h 12m

$518

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 9/8

10:20 am-1:06 pm

2 stops28h 46m

Seattle/Tacoma Intl

Tue 9/16

12:00 pm-9:20 am

1 stop19h 20m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 26 results
1
2
3

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 June 9, 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, 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 July is currently the most expensive (average of $391). 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 June 12, 2025.

It’s optimal to fly from Cancún to Seattle at noon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Cancún to Seattle

Explore weekly flight availability from Cancún to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from CUN to SEA are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and Southwest from Cancún to Seattle to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Southwest
8.0
Very good
4,287 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,706 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 3 flights from Cancun to Seattle/Tacoma Intl, all of which are around 6h 24m 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.

  • What are the cheapest airlines flying from Cancún to Seattle round-trip?

    According to our current data, Delta ($301), Aeromexico ($308), and United Airlines ($350) offers the cheapest pricing from Cancún to Seattle. Users have found that Delta is 36% 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 $177. However, be on the lookout for offers from Alaska Airlines and Aeromexico, 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 Aeromexico (98%), Delta (97%) or Korean Air (97%) 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 $181. On average you can expect to pay $367. The most popular route, (Cancun - Seattle/Tacoma Intl), can usually be booked for $301.

  • 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 July is currently the most expensive (average of $391). 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 Cancún?

Book flights to Cancún if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$538FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.