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Cheap flights from Seattle to Cancún from C$ 288

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUN
12 Jul — 19 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Cancún

Enter your travel dates to find the best prices.

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 12 June 2026.

Tue 7/711:00 p.m.
SEA
-
CUN
1 stop14h 28m
Volaris
Sun 12/710:40 a.m.
CUN
-
SEA
1 stop11h 19m
Volaris
Deal found 7/6C$ 566
Tue 14/711:00 p.m.
SEA
-
CUN
1 stop14h 28m
Volaris
Tue 21/712:49 p.m.
CUN
-
SEA
1 stop9h 10m
Volaris
Deal found 8/6C$ 588
Tue 7/711:00 p.m.
SEA
-
CUN
1 stop11h 04m
Multiple Airlines
Sat 11/71:10 a.m.
CUN
-
SEA
2 stops20h 49m
Multiple Airlines
Deal found 7/6C$ 622
Thu 16/711:00 p.m.
SEA
-
CUN
1 stop14h 28m
Volaris
Thu 23/710:40 a.m.
CUN
-
SEA
1 stop11h 19m
Volaris
Deal found 10/6C$ 630
Fri 7/811:00 p.m.
SEA
-
CUN
1 stop14h 28m
Volaris
Fri 14/812:49 p.m.
CUN
-
SEA
1 stop9h 10m
Volaris
Deal found 10/6C$ 633
Mon 10/811:00 p.m.
SEA
-
CUN
1 stop11h 04m
Volaris
Thu 20/812:49 p.m.
CUN
-
SEA
1 stop9h 10m
Volaris
Deal found 8/6C$ 648
Fri 24/711:00 p.m.
SEA
-
CUN
1 stop14h 28m
Volaris
Wed 29/710:40 a.m.
CUN
-
SEA
1 stop11h 19m
Volaris
Deal found 11/6C$ 650
Mon 20/711:00 p.m.
SEA
-
CUN
1 stop14h 28m
Volaris
Mon 27/710:40 a.m.
CUN
-
SEA
1 stop11h 19m
Volaris
Deal found 10/6C$ 652
Wed 29/711:00 p.m.
SEA
-
CUN
1 stop14h 28m
Volaris
Sun 2/812:49 p.m.
CUN
-
SEA
1 stop9h 10m
Volaris
Deal found 9/6C$ 680
Fri 26/67:41 p.m.
SEA
-
CUN
1 stop15h 07m
Volaris
Sat 4/710:40 a.m.
CUN
-
SEA
1 stop11h 19m
Volaris
Deal found 10/6C$ 694
Tue 25/811:05 p.m.
SEA
-
CUN
2 stops13h 55m
Southwest
Tue 1/912:40 p.m.
CUN
-
SEA
1 stop12h 55m
Southwest
Deal found 9/6C$ 696

Find 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 12 June 2026.

Round-trip from

C$ 566

One-way from

C$ 288

Popular in

December

Cheapest in

September

Average price

C$ 913

Good one-way deal

C$ 453 or less
Volaris
  • Volaris
  • 7/7-12/7
  • 2 total stops
  • 25h 47m total
  • Seattle to Cancún
Search Deals
Volaris
  • Volaris
  • 23/7
  • 1 total stop
  • 14h 28m total
  • Seattle to Cancún
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Cancun.
Search Deals

Cheapflights Fare Finder

 
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 629,999 searches. Data last updated 12 June 2026.
Use the filters below to find and compare flights from Seattle to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 10/8

11:00 p.m.-12:04 p.m.

1 stop11h 04m

Cancun

Thu 20/8

12:49 p.m.-7:59 p.m.

1 stop9h 10m

C$ 648

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 20/9

10:30 p.m.-11:50 a.m.

1 stop11h 20m

Cancun

Thu 24/9

1:05 p.m.-11:30 p.m.

1 stop12h 25m

C$ 728

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 19/8

10:30 p.m.-2:10 p.m.

1 stop13h 40m

Cancun

Tue 25/8

12:50 p.m.-11:25 p.m.

2 stops12h 35m

C$ 735

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 1/9

11:00 p.m.-3:28 p.m.

1 stop14h 28m

Cancun

Tue 8/9

12:49 p.m.-7:59 p.m.

1 stop9h 10m

C$ 767

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 15/7

7:30 p.m.-2:00 p.m.

2 stops16h 30m

Cancun

Thu 23/7

12:00 p.m.-9:50 p.m.

2 stops11h 50m

C$ 813

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 18/11

6:15 a.m.-7:45 p.m.

2 stops10h 30m

Cancun

Mon 23/11

1:50 p.m.-1:15 a.m.

2 stops14h 25m

C$ 819

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 31/8

8:20 p.m.-3:00 p.m.

2 stops16h 40m

Cancun

Sat 5/9

10:10 a.m.-7:30 p.m.

2 stops11h 20m

C$ 831

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 17/9

11:00 p.m.-3:28 p.m.

1 stop14h 28m

Cancun

Sun 20/9

10:40 a.m.-7:59 p.m.

1 stop11h 19m

C$ 865

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 11/11

5:45 a.m.-7:45 p.m.

2 stops11h 00m

Cancun

Tue 17/11

4:35 p.m.-10:25 p.m.

1 stop8h 50m

C$ 883
Quickest round-trip

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 23/11

7:10 a.m.-4:05 p.m.

Nonstop5h 55m

Cancun

Thu 26/11

5:15 p.m.-9:00 p.m.

Nonstop6h 45m

C$ 886

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Cancún

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

The price you pay for your flight from Seattle to Cancún may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Cancún (average of C$ 648). Flying from Seattle to Cancún in December is currently the most expensive (average of C$ 993). 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.

How much does it cost to fly round-trip from Seattle to Cancún?

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 12 June 2026.
Read through reviews of airlines operating flights from Seattle to Cancún, such as Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,482 reviews
Check prices

Food

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,482 reviews
Alaska Airlines
7.9
Good
12,482 reviews
Check prices

Food

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Delta
7.9
Good
8,403 reviews
Alaska Airlines
7.9
Good
12,482 reviews
Check prices

Food

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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.

  • How popular is this Seattle to Cancún flight route?

    The Seattle/Tacoma Intl to Cancun flight path was viewed by 12 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 Seattle to Cancún?

    Volaris can get you from Seattle to Cancún in just under 14h 28m. Your travel time can differ by up to . The distance between Seattle and Cancún is about 4318 km.

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

    Delta, at C$ 399, was found to be the cheapest airline from Seattle to Cancún. An alternate airline flying to your destination would be Alaska Airlines. You may be able to fly from Seattle to Cancún for 49% less than the average price by searching for these airlines.

  • 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 Delta (93%), Korean Air (93%) or Aeromexico (93%) 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 C$ 453 for a flight from Seattle to Cancún. The cheapest flight overall is C$ 453 while the most popular route, (Seattle/Tacoma Intl - Cancun) is currently priced at C$ 814.

  • 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, September is the cheapest month in which you can book a flight from Seattle to Cancún (average of C$ 648). Flying from Seattle to Cancún in December is currently the most expensive (average of C$ 993). 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

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Holbox
Puerto Aventuras
Punta Sam

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Seattle to Cancún

Discover the top 2 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 629,999 searches. Data last updated 12 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 399AverageC$ 671FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 657AverageC$ 897FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Cancún?

Cheapflights helps you search for flights from Seattle to Cancún via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Cancún?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Cancún by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Cancún with no change fees?

Yes, we can. To see specific flights from Seattle to Cancún with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Cancún become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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