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$161+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 18 days in advance, depart on a Friday or Monday 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 July 3, 2025.

Round-trip from

$308
(United Airlines)

One-way from

$161
(Priceline)

Popular in

April

Cheapest in

August

Average price

$463

Good round-trip deal

$318 or less

Good one-way deal

$257 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. 14% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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 9/67:51 amCUN - SEA
2 stops16h 29mUnited Airlines
Fri 9/1211:58 pmSEA - CUN
1 stop10h 35mUnited Airlines
Deal found 7/1$308
This Frontier deal was found by Cheapflights users on 7/1. 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 7/103:25 pmCUN - SEA
1 stop11h 09mFrontier
Tue 7/156:25 amSEA - CUN
1 stop7h 55mFrontier
Deal found 7/1$404
This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 7/149:38 amCUN - SEA
1 stop12h 22mDelta
Thu 7/317:20 amSEA - CUN
Nonstop5h 55mDelta
Deal found 7/1$405
This Aeromexico deal was found by Cheapflights users on 7/2. 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 9/64:20 pmCUN - SEA
Nonstop6h 24mAeromexico
Fri 9/125:30 amSEA - CUN
1 stop7h 45mAeromexico
Deal found 7/2$434
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 12/218:05 amCUN - SEA
Nonstop6h 48mAlaska Airlines
Fri 1/29:35 pmSEA - CUN
Nonstop6h 00mAlaska Airlines
Deal found 7/2$450
This SmartFares deal was found by Cheapflights users on 7/2. 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.
Wed 12/248:05 amCUN - SEA
Nonstop6h 48mHawaiian Airlines
Wed 12/319:05 amSEA - CUN
Nonstop6h 00mHawaiian Airlines
Deal found 7/2$466
This Orbitz deal was found by Cheapflights users on 7/1. 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.
Fri 8/81:49 pmCUN - SEA
2 stops12h 45mMultiple Airlines
Sun 8/105:30 pmSEA - CUN
2 stops15h 50mMultiple Airlines
Deal found 7/1$487
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/1511:00 amCUN - SEA
1 stop10h 16mAmerican Airlines
Thu 8/2112:58 amSEA - CUN
1 stop12h 01mAmerican Airlines
Deal found 7/1$498
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Fri 8/811:01 amCUN - SEA
3 stops31h 24mSpirit Airlines
Sun 8/105:30 pmSEA - CUN
2 stops15h 50mSpirit Airlines
Deal found 7/1$518

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 July 3, 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

1:12 pm-9:18 pm

1 stop10h 06m

Seattle/Tacoma Intl

Fri 9/12

11:58 pm-12:33 pm

1 stop10h 35m

$308

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 7/14

9:38 am-8:00 pm

1 stop12h 22m

Seattle/Tacoma Intl

Thu 7/31

7:20 am-3:15 pm

Nonstop5h 55m

$405

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sat 9/6

4:20 pm-8:44 pm

Nonstop6h 24m

Seattle/Tacoma Intl

Fri 9/12

5:30 am-3:15 pm

1 stop7h 45m

$434

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 8/8

1:49 pm-12:34 am

2 stops12h 45m

Seattle/Tacoma Intl

Sun 8/10

6:25 am-4:20 pm

1 stop7h 55m

$457

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Wed 12/24

8:05 am-11:53 am

Nonstop6h 48m

Seattle/Tacoma Intl

Wed 12/31

9:05 am-6:05 pm

Nonstop6h 00m

$466

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 8/8

1:49 pm-12:34 am

2 stops12h 45m

Seattle/Tacoma Intl

Sun 8/10

5:30 pm-11:20 am

2 stops15h 50m

$487

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 12/22

8:05 am-11:53 am

Nonstop6h 48m

Seattle/Tacoma Intl

Sat 1/3

9:35 pm-6:35 am

Nonstop6h 00m

$492

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 8/15

11:00 am-7:16 pm

1 stop10h 16m

Seattle/Tacoma Intl

Thu 8/21

12:58 am-2:59 pm

1 stop12h 01m

$498

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 8/8

11:01 am-4:25 pm

3 stops31h 24m

Seattle/Tacoma Intl

Sun 8/10

5:30 pm-11:20 am

2 stops15h 50m

$518

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 8/14

3:25 pm-12:34 am

1 stop11h 09m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 18 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 June 27, 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 $390). 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 July 3, 2025.

It’s optimal to fly from Cancún to Seattle at noon. By choosing this option you can save up to 24% 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 July 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Aeromexico
7.5
Good
1,718 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 24m for a nonstop flight. You can also purchase a plane ticket from 2 airlines 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, United Airlines ($308), Delta ($405), and Aeromexico ($434) offers the cheapest pricing from Cancún to Seattle. Users have found that United Airlines is 35% 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 $161. However, be on the lookout for offers from Delta and United Airlines, 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 (100%), Hawaiian Airlines (100%) or Delta (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 $181. On average you can expect to pay $403. The most popular route, (Cancun - Seattle/Tacoma Intl), can usually be booked for $306.

  • 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 $390). 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
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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 2 airlines flying from Cancún to Seattle

Discover the top 2 airlines 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$538FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$454Average$570FlexibilityNo cancel feeOn-time75%

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