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$192+ Cheap flights from Seattle (SEA) to Cancún (CUN)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUN
Mar 2 — Mar 91
Sun 3/2
Sun 3/9
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Seattle/Tacoma Intl to Cancun are usually found in September or October, booked 19 days in advance, depart on a Tuesday or Friday and return on a Friday

Cheap flight deals from Seattle to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Cancún (CUN). 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 February 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$422
(CheapOair)

One-way from

$192
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$646

Good round-trip deal

$555 or less

Good one-way deal

$246 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Cancun flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cancun flights.
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From Seattle/Tacoma Intl to Cancun
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One-way flight from Seattle/Tacoma Intl to Cancun
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Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Cancun.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Cancun.
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Find flight deals from Seattle to Cancún

Cheapest flights from Seattle to Cancún
Explore the most affordable flight options available from Seattle to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2025.

This CheapOair deal was found by Cheapflights users on 2/23. 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.
Sun 3/2310:15 pmSEA - CUN
1 stop14h 11mMultiple Airlines
Thu 3/2711:05 amCUN - SEA
2 stops23h 38mMultiple Airlines
Deal found 2/23$422
This CheapOair deal was found by Cheapflights users on 2/24. 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.
Mon 3/35:38 pmSEA - CUN
2 stops16h 26mSpirit Airlines
Mon 3/1012:35 pmCUN - SEA
2 stops25h 11mSpirit Airlines
Deal found 2/24$428
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 3/312:40 amSEA - CUN
1 stop11h 29mAmerican Airlines
Tue 3/1810:25 amCUN - SEA
1 stop12h 31mAmerican Airlines
Deal found 2/24$430
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/279:45 pmSEA - CUN
Nonstop6h 00mAlaska Airlines
Thu 4/39:00 amCUN - SEA
1 stop16h 59mAlaska Airlines
Deal found 2/25$435
This Hawaiian Airlines deal was found by Cheapflights users on 2/24. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/279:45 pmSEA - CUN
Nonstop6h 00mHawaiian Airlines
Thu 4/39:00 amCUN - SEA
1 stop13h 35mHawaiian Airlines
Deal found 2/24$444
This Delta deal was found by Cheapflights users on 2/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:15 amSEA - CUN
Nonstop5h 54mDelta
Mon 3/104:10 pmCUN - SEA
Nonstop6h 45mDelta
Deal found 2/25$446
This Aeromexico deal was found by Cheapflights users on 2/24. 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.
Wed 3/197:10 amSEA - CUN
Nonstop5h 50mAeromexico
Tue 3/258:10 amCUN - SEA
1 stop16h 15mAeromexico
Deal found 2/24$477
This JetBlue deal was found by Cheapflights users on 2/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2411:48 pmSEA - CUN
1 stop12h 15mJetBlue
Fri 3/2812:10 pmCUN - SEA
1 stop12h 28mJetBlue
Deal found 2/25$492
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 3/187:34 pmSEA - CUN
2 stops19h 16mUnited Airlines
Wed 3/2611:35 amCUN - SEA
2 stops15h 20mUnited Airlines
Deal found 2/24$495
This Booking.com deal was found by Cheapflights users on 2/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:00 amSEA - CUN
1 stop30h 21mFrontier
Thu 7/2412:33 pmCUN - SEA
2 stops46h 06mFrontier
Deal found 2/24$528

Find flights from Seattle to Cancún within your budget

Customize your flight search to find flights from Seattle to Cancún 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 February 25, 2025.

Fly from

Seattle

Fly to

Cancún

Route

Depart

Return

Price

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 3/23

10:15 pm-2:26 pm

1 stop14h 11m

Cancun

Thu 3/27

11:05 am-8:43 am

2 stops23h 38m

$422

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 3/3

5:38 pm-1:04 pm

2 stops16h 26m

Cancun

Mon 3/10

12:35 pm-11:46 am

2 stops25h 11m

$428

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 3/3

12:40 am-3:09 pm

1 stop11h 29m

Cancun

Tue 3/11

1:12 pm-9:10 pm

1 stop9h 58m

$430

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 3/27

9:45 pm-5:45 am

Nonstop6h 00m

Cancun

Thu 4/3

9:00 am-11:59 pm

1 stop16h 59m

$435

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 3/27

9:45 pm-5:45 am

Nonstop6h 00m

Cancun

Thu 4/3

9:00 am-8:35 pm

1 stop13h 35m

$444

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 3/3

7:15 am-4:09 pm

Nonstop5h 54m

Cancun

Mon 3/10

4:10 pm-8:55 pm

Nonstop6h 45m

$446

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 3/19

7:10 am-3:00 pm

Nonstop5h 50m

Cancun

Tue 3/25

8:10 am-10:25 pm

1 stop16h 15m

$477

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 3/24

11:48 pm-2:03 pm

1 stop12h 15m

Cancun

Fri 3/28

12:10 pm-10:38 pm

1 stop12h 28m

$492

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 3/18

7:34 pm-4:50 pm

2 stops19h 16m

Cancun

Wed 3/26

11:35 am-12:55 am

2 stops15h 20m

$495

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 5/16

6:50 pm-9:58 am

2 stops13h 08m

Cancun

Mon 5/26

3:15 pm-12:43 am

1 stop11h 28m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 25 results
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Compare providers for flights from Seattle to Cancún

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 Seattle to Cancún in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice 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 Seattle-Cancún flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Cancún flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Cancún flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Cancún 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 Seattle-Cancún 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 Seattle to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Seattle 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.

Travel insights for flights from Seattle to Cancún

Get recent, data-driven insights about flights from Seattle to Cancún including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Cancún. Price data was last updated on February 14, 2025.

Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Cancún (average of $360). Flying from Seattle to Cancún in March is currently the most expensive (average of $492). 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 SEA to CUN?

Find hourly flight availability from Seattle to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 25, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 61% on flights from Seattle to Cancún by exploring options for tickets in the afternoon.

Weekly flight availability from Seattle to Cancún

Explore weekly flight availability from Seattle to Cancún. 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 February 25, 2025.

The most flights from SEA to CUN are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Cancún by month

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

In terms of precipitation, rainfall in Cancún ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Cancún when rainfall is around 1.1 in.

Temperature in Cancún by month

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

If weather is an important factor for your trip to Cancún, 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 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated February 25, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and Hawaiian Airlines from Seattle to Cancún by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,163 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,163 reviews
Delta
8.0
Very good
8,163 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines
8.0
Very good
9,713 reviews
Delta
8.0
Very good
8,163 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Hawaiian Airlines
7.9
Good
2,312 reviews
Delta
8.0
Very good
8,163 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico
7.5
Good
1,754 reviews
Delta
8.0
Very good
8,163 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,734 reviews
Delta
8.0
Very good
8,163 reviews

Food

7.3

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Cancún. 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 Seattle to Cancún?

    To fly from Seattle to Cancún, you need to book a flight from Seattle/Tacoma Intl (SEA) to Cancun (CUN). Nonstop flights to Cancun from Seattle/Tacoma Intl take 5h 45m on average. When it comes time to book airfare, you have a few options: there are 4 outbound flights from Seattle/Tacoma Intl to Cancun offered by 11 different airlines.

  • How popular is this Seattle to Cancún flight route?

    Within the past month, 36 users have taken a look at flights from Seattle/Tacoma Intl to Cancun.

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

    Spirit Airlines, at $429, was found to be the cheapest airline from Seattle to Cancún.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Spirit Airlines is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $192. Alaska Airlines flights start at $195 while deals on Frontier start at $196 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Cancún consider choosing Qatar Airways (97%), Alaska Airlines (91%) or Hawaiian Airlines (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Cancún?

    On average you can expect to pay $960 for a flight from Seattle to Cancún. The cheapest flight overall is $195 while the most popular route, (Seattle/Tacoma Intl - Cancun) is currently priced at $295.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Cancún 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 Seattle to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Cancún (average of $360). Flying from Seattle to Cancún in March is currently the most expensive (average of $492). 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

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Top 10 airlines flying from Seattle to Cancún

Discover the top 10 airlines that operate flights from Seattle to Cancún. 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 February 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$247Average$416FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$257Average$620FlexibilityNo cancel feeOn-time69%
AeromexicoCheapest$281Average$583FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$308Average$548FlexibilityNo cancel feeOn-time79%
Alaska AirlinesCheapest$339Average$594FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$340Average$689FlexibilityNo cancel feeOn-time67%
Spirit AirlinesCheapest$344Average$458FlexibilityNo cancel feeOn-time65%
DeltaCheapest$399Average$586FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$442Average$636FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$512Average$671FlexibilityNo cancel feeOn-time63%
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