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Cheap flights from Seattle to Cancún from C$ 388

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 a.m. - 4:00 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
6h 00mdirect
Alaska Airlines Logo
5:10 p.m. - 8:50 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 40mdirect
C$ 773Alaska Airlines
Mon, 18 Jan - Thu, 28 Jan
Alaska Airlines Logo
7:00 a.m. - 4:00 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
6h 00mdirect
Alaska Airlines Logo
5:10 p.m. - 8:50 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 40mdirect
C$ 773Alaska Airlines
Mon, 18 Jan - Wed, 27 Jan
Alaska Airlines Logo
7:00 a.m. - 4:00 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
6h 00mdirect
Alaska Airlines Logo
5:10 p.m. - 8:50 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 40mdirect
C$ 773Alaska Airlines
Mon, 18 Jan - Tue, 26 Jan
Air Canada Logo
10:10 a.m. - 4:55 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
27h 45m1 stop Vancouver Intl
Air Canada Logo
8:00 a.m. - 2:37 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
9h 37m1 stop Vancouver Intl
C$ 791Air Canada
Fri, 4 Dec - Fri, 11 Dec
Delta Logo
11:59 p.m. - 9:08 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
18h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:25 p.m. - 9:05 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 40mdirect
C$ 794Delta
Sun, 6 Dec - Tue, 15 Dec
Delta Logo
7:16 a.m. - 4:20 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
6h 04mdirect
Delta Logo
5:25 p.m. - 9:05 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 40mdirect
C$ 801Delta
Mon, 7 Dec - Wed, 9 Dec
Southwest Logo
5:30 a.m. - 4:20 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
7h 50m1 stop Denver Intl
Southwest Logo
10:55 a.m. - 7:20 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
11h 25m2 stops Houston Hobby Oakland
C$ 807Southwest
Mon, 22 Feb - Fri, 26 Feb
Southwest Logo
5:00 a.m. - 4:00 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
8h 00m1 stop Las Vegas Harry Reid Intl
Southwest Logo
4:20 p.m. - 10:55 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
9h 35m1 stop Denver Intl
C$ 807Southwest
Mon, 18 Jan - Fri, 22 Jan
Volaris Logo
9:07 p.m. - 3:31 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
15h 24m1 stop Guadalajara Miguel Hidal
Volaris Logo
10:20 a.m. - 7:08 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
11h 48m1 stop Guadalajara Miguel Hidal
C$ 932Volaris
Sat, 30 Jan - Sun, 7 Feb
Volaris Logo
10:10 p.m. - 12:03 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
11h 53m1 stop Guadalajara Miguel Hidal
Volaris Logo
1:00 p.m. - 8:15 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
9h 15m1 stop Guadalajara Miguel Hidal
C$ 968Volaris
Thu, 18 Mar - Tue, 23 Mar

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Delta flights from Seattle to Cancún

Our best Delta deals on Seattle to Cancún flight tickets
Delta
6 Dec
SEA11:59 p.m.Seattle/Tacoma Intl
18h 09m
1 stop
CUN9:08 p.m.Cancun
15 Dec
CUN5:25 p.m.Cancun
6h 40m
SEA9:05 p.m.Seattle/Tacoma Intl
C$ 794
Delta
6 Dec
SEA7:16 a.m.Seattle/Tacoma Intl
6h 04m
CUN4:20 p.m.Cancun
8 Dec
CUN11:21 a.m.Cancun
11h 34m
1 stop
SEA7:55 p.m.Seattle/Tacoma Intl
C$ 801
Delta
5 Dec
SEA11:59 p.m.Seattle/Tacoma Intl
12h 11m
1 stop
CUN3:10 p.m.Cancun
11 Dec
CUN5:25 p.m.Cancun
6h 40m
SEA9:05 p.m.Seattle/Tacoma Intl
C$ 807

Alaska Airlines flights from Seattle to Cancún

Our best Alaska Airlines deals on Seattle to Cancún flight tickets
Alaska Airlines
18 Jan
SEA7:00 a.m.Seattle/Tacoma Intl
6h 00m
CUN4:00 p.m.Cancun
27 Jan
CUN5:10 p.m.Cancun
6h 40m
SEA8:50 p.m.Seattle/Tacoma Intl
C$ 773
Alaska Airlines
9 Dec
SEA7:03 a.m.Seattle/Tacoma Intl
5h 57m
CUN4:00 p.m.Cancun
14 Dec
CUN5:10 p.m.Cancun
6h 47m
SEA8:57 p.m.Seattle/Tacoma Intl
C$ 829
Alaska Airlines
17 Jan
SEA7:00 a.m.Seattle/Tacoma Intl
6h 00m
CUN4:00 p.m.Cancun
26 Jan
CUN5:10 p.m.Cancun
6h 40m
SEA8:50 p.m.Seattle/Tacoma Intl
C$ 853

momondo Fare Finder

 
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
Quickest round-trip

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 18/1

7:00 a.m.-4:00 p.m.

Nonstop6h 00m

Cancun

Thu 28/1

5:10 p.m.-8:50 p.m.

Nonstop6h 40m

C$ 773

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 18/1

7:00 a.m.-4:00 p.m.

Nonstop6h 00m

Cancun

Wed 27/1

5:10 p.m.-8:50 p.m.

Nonstop6h 40m

C$ 773

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 18/1

7:00 a.m.-4:00 p.m.

Nonstop6h 00m

Cancun

Tue 26/1

5:10 p.m.-8:50 p.m.

Nonstop6h 40m

C$ 773

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Fri 4/12

10:10 a.m.-4:55 p.m.

1 stop27h 45m

Cancun

Fri 11/12

8:00 a.m.-2:37 p.m.

1 stop9h 37m

C$ 791

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Sun 6/12

11:59 p.m.-9:08 p.m.

1 stop18h 09m

Cancun

Tue 15/12

5:25 p.m.-9:05 p.m.

Nonstop6h 40m

C$ 794

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 7/12

7:16 a.m.-4:20 p.m.

Nonstop6h 04m

Cancun

Wed 9/12

5:25 p.m.-9:05 p.m.

Nonstop6h 40m

C$ 801

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 22/2

5:30 a.m.-4:20 p.m.

1 stop7h 50m

Cancun

Fri 26/2

10:55 a.m.-7:20 p.m.

2 stops11h 25m

C$ 807

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 18/1

5:00 a.m.-4:00 p.m.

1 stop8h 00m

Cancun

Fri 22/1

4:20 p.m.-10:55 p.m.

1 stop9h 35m

C$ 807

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Sat 30/1

9:07 p.m.-3:31 p.m.

1 stop15h 24m

Cancun

Sun 7/2

10:20 a.m.-7:08 p.m.

1 stop11h 48m

C$ 932

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Thu 18/3

10:10 p.m.-12:03 p.m.

1 stop11h 53m

Cancun

Tue 23/3

1:00 p.m.-8:15 p.m.

1 stop9h 15m

C$ 968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cancún from

How to get the cheapest flight ticket from Seattle to Cancún

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Cancún?

Prices are currently typical for flights on this route.

Typical prices usually range from C$ 727 to C$ 1,192.
The lowest price recently found on this route was C$ 773.

What is the cheapest month to fly to Cancún?

In general, May is the cheapest month to fly from Seattle to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 776. The month of March is another great option to travel to Cancún, with average flight prices from Seattle averaging around C$ 809.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from Seattle to Cancún is on a Wednesday. Travellers who choose to depart for Cancún on a Wednesday will often find tickets for as low as C$ 756. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 809. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

What is the cheapest Seattle/Tacoma Intl to Cancun flight route?

Fly from Seattle/Tacoma Intl to Cancun for the best Seattle/Tacoma Intl - Cancun flight prices

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

You are more likely to see cheaper flights to Cancún from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around C$ 925 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Seattle for as low as C$ 794 on momondo.

What cabin class options are available on Seattle to Cancún flights?

There are 2 cabin classes available to choose from on Seattle to Cancún flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Cancún flights?

You could potentially save up to 48% on your flight if you consider stops on a Seattle to Cancún flight.

How have Seattle to Cancún flight prices changed over time?

As of November 2026, prices for Seattle to Cancún flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Cancún according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Cancún (SEA to CUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Cancún

Best price found

C$ 388

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Cancún

1 airport
The best one-way flight to Cancún from Seattle in the past 72 hours is C$ 388. The best round-trip flight deal from Seattle to Cancún found on momondo in the last 72 hours is C$ 773.
The fastest flight from Seattle to Cancún takes 5h 55m
Direct flights go from Seattle to Cancún every day.
There is 1 airport in Cancún. From Seattle there are direct flights to Cancun (CUN).
Search flight deals

Frequently asked questions about flying from Seattle to Cancún

  • How far is Seattle/Tacoma Intl to Cancun by plane?

    A flight from Seattle/Tacoma Intl to Cancun will travel around 4321.5 km. In terms of flight time, this usually takes a little over 5h 55m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Cancun Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Cancun Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cancun Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Cancun Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The necessary travel and health documents for your Cancun Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Cancún?

  • What is the most popular airline from Seattle to Cancún?

Best airlines flying from Seattle to Cancún

Compare and see reviews for airlines that fly from Seattle to Cancún with momondo
Airline
Rating
Free Cancellation
Price
VolarisPriceFrom C$ 242Free CancellationRating
6.6
1,100 reviews
Search Volaris flights
DeltaPriceFrom C$ 380Free CancellationRating
7.8
8,699 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 720Free CancellationRating
7.9
13,158 reviews
Search Alaska Airlines flights

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Playa del Carmen
Isla Mujeres
Puerto Morelos
Holbox
Akumal
Puerto Aventuras
Punta Sam
Valladolid

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Cancún?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Cancún . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Cancún with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cancún from Seattle with this policy.

How can momondo help me find flights from Seattle to Cancún?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Cancún.

I’m not ready to book a flight from Seattle to Cancún right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Cancún flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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