Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Cancún from C$ 390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cancún departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Volaris Logo
9:07 p.m. - 3:31 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
15h 24m1 stop Guadalajara Miguel Hidal
Volaris Logo
1:00 p.m. - 7:08 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
9h 08m1 stop Guadalajara Miguel Hidal
C$ 641Volaris
Tue, 2 Feb - Tue, 16 Feb
Air Canada Logo
7:05 p.m. - 12:55 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
14h 50m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
9:30 p.m. - 8:59 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
26h 29m1 stop Toronto Pearson Intl
C$ 725Air Canada
Sun, 1 Nov - Sat, 7 Nov
Air Canada Logo
7:45 a.m. - 10:40 a.m.SEA  Seattle/Tacoma Intl-CUN Cancun
23h 55m1 stop Toronto Pearson Intl
Air Canada Logo
9:30 p.m. - 8:59 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
26h 29m1 stop Toronto Pearson Intl
C$ 725Air Canada
Sun, 1 Nov - Sat, 7 Nov
Southwest Logo
6:00 a.m. - 7:45 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
10h 45m2 stops Phoenix Sky Harbor Intl Houston Hobby
Southwest Logo
9:40 a.m. - 5:05 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
10h 25m2 stops Houston Hobby Denver Intl
C$ 812Southwest
Mon, 25 Jan - Wed, 3 Feb
Volaris Logo
11:00 p.m. - 12:04 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
11h 04m1 stop Guadalajara Miguel Hidal
Volaris Logo
10:40 a.m. - 7:59 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
11h 19m1 stop Guadalajara Miguel Hidal
C$ 885Volaris
Mon, 31 Aug - Fri, 4 Sep
Delta Logo
7:10 a.m. - 4:05 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
5h 55mdirect
Delta Logo
5:15 p.m. - 9:00 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 45mdirect
C$ 911Delta
Mon, 16 Nov - Fri, 20 Nov
Delta Logo
7:10 a.m. - 4:05 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
5h 55mdirect
Delta Logo
7:00 a.m. - 7:55 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
15h 55m1 stop Mexico City Benito Juarez
C$ 911Delta
Tue, 17 Nov - Wed, 25 Nov
Volaris Logo
9:07 p.m. - 9:41 a.m.SEA  Seattle/Tacoma Intl-CUN Cancun
9h 34m1 stop Guadalajara Miguel Hidal
Volaris Logo
1:00 p.m. - 7:08 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
9h 08m1 stop Guadalajara Miguel Hidal
C$ 998Volaris
Sat, 9 Jan - Wed, 20 Jan
Alaska Airlines Logo
7:00 a.m. - 4:02 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
6h 02mdirect
Alaska Airlines Logo
4:59 p.m. - 8:44 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 45mdirect
C$ 1,001Alaska Airlines
Mon, 11 Jan - Wed, 20 Jan
Alaska Airlines Logo
7:00 a.m. - 4:02 p.m.SEA  Seattle/Tacoma Intl-CUN Cancun
6h 02mdirect
Alaska Airlines Logo
4:59 p.m. - 8:44 p.m.CUN  Cancun-SEA Seattle/Tacoma Intl
6h 45mdirect
C$ 1,001Alaska Airlines
Wed, 6 Jan - Wed, 13 Jan

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Volaris flights from Seattle to Cancún

Our best Volaris deals on Seattle to Cancún flight tickets
Volaris
2 Feb
SEA9:07 p.m.Seattle/Tacoma Intl
15h 24m
1 stop
CUN3:31 p.m.Cancun
16 Feb
CUN1:00 p.m.Cancun
9h 08m
1 stop
SEA7:08 p.m.Seattle/Tacoma Intl
C$ 641
Volaris
31 Aug
SEA11:00 p.m.Seattle/Tacoma Intl
11h 04m
1 stop
CUN12:04 p.m.Cancun
4 Sep
CUN10:40 a.m.Cancun
11h 19m
1 stop
SEA7:59 p.m.Seattle/Tacoma Intl
C$ 885
Volaris
9 Jan
SEA9:07 p.m.Seattle/Tacoma Intl
9h 34m
1 stop
CUN9:41 a.m.Cancun
20 Jan
CUN1:00 p.m.Cancun
9h 08m
1 stop
SEA7:08 p.m.Seattle/Tacoma Intl
C$ 998

United Airlines flights from Seattle to Cancún

Our best United Airlines deals on Seattle to Cancún flight tickets
United Airlines
15 Dec
SEA11:59 p.m.Seattle/Tacoma Intl
9h 55m
1 stop
CUN12:54 p.m.Cancun
24 Dec
CUN1:35 p.m.Cancun
12h 41m
2 stops
SEA11:16 p.m.Seattle/Tacoma Intl
C$ 1,056
United Airlines
15 Dec
SEA11:59 p.m.Seattle/Tacoma Intl
14h 51m
1 stop
CUN5:50 p.m.Cancun
23 Dec
CUN8:39 a.m.Cancun
17h 37m
2 stops
SEA11:16 p.m.Seattle/Tacoma Intl
C$ 1,063
United Airlines
20 Aug
SEA5:15 p.m.Seattle/Tacoma Intl
14h 51m
1 stop
CUN10:06 a.m.Cancun
28 Aug
CUN7:51 a.m.Cancun
14h 52m
2 stops
SEA8:43 p.m.Seattle/Tacoma Intl
C$ 1,179

momondo 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, momondo users made 96,600 searches. Data last updated 8 August 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 Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Tue 2/2

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

1 stop15h 24m

Cancun

Tue 16/2

1:00 p.m.-7:08 p.m.

1 stop9h 08m

C$ 641

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Sun 1/11

7:05 p.m.-12:55 p.m.

2 stops14h 50m

Cancun

Sat 7/11

9:30 p.m.-8:59 p.m.

1 stop26h 29m

C$ 725

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Sun 1/11

7:45 a.m.-10:40 a.m.

1 stop23h 55m

Cancun

Sat 7/11

9:30 p.m.-8:59 p.m.

1 stop26h 29m

C$ 725

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 25/1

6:00 a.m.-7:45 p.m.

2 stops10h 45m

Cancun

Wed 3/2

9:40 a.m.-5:05 p.m.

2 stops10h 25m

C$ 812

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 31/8

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

1 stop11h 04m

Cancun

Fri 4/9

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

1 stop11h 19m

C$ 885
Quickest round-trip

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 16/11

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

Nonstop5h 55m

Cancun

Fri 20/11

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

Nonstop6h 45m

C$ 911

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Tue 17/11

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

Nonstop5h 55m

Cancun

Wed 25/11

7:00 a.m.-7:55 p.m.

1 stop15h 55m

C$ 911

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Sat 9/1

9:07 p.m.-9:41 a.m.

1 stop9h 34m

Cancun

Wed 20/1

1:00 p.m.-7:08 p.m.

1 stop9h 08m

C$ 998

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 11/1

7:00 a.m.-4:02 p.m.

Nonstop6h 02m

Cancun

Wed 20/1

4:59 p.m.-8:44 p.m.

Nonstop6h 45m

C$ 1,001

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Wed 6/1

7:00 a.m.-4:02 p.m.

Nonstop6h 02m

Cancun

Wed 13/1

4:59 p.m.-8:44 p.m.

Nonstop6h 45m

C$ 1,001

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 low for flights on this route.

Typical prices usually range from C$ 663 to C$ 1,020.
The lowest price recently found on this route was C$ 641.

What is the cheapest month to fly to Cancún?

In general, January 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$ 672. The month of September is another great option to travel to Cancún, with average flight prices from Seattle averaging around C$ 723.

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

The cheapest day to depart from Seattle to Cancún is on a Saturday. Travellers who choose to depart for Cancún on a Saturday will often find tickets for as low as C$ 711. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 1,360. 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$ 824 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$ 723 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 August 2026, prices for Seattle to Cancún flights are approximately 19% 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

Fastest flight time

10h 57m

Direct flights

Every day

Airports in Cancún

1 airport
The fastest flight from Seattle to Cancún takes 10h 57m
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 10h 57m.

  • 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$ 239Free CancellationRating
6.6
1,147 reviews
Search Volaris flights
DeltaPriceFrom C$ 469Free CancellationRating
7.8
8,504 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 711Free CancellationRating
7.9
12,783 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
Akumal
Holbox
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.

An easier way to manage your Cancún trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/9
Mon 14/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Mexico