What is the cheapest airline that flies from Seattle/Tacoma Intl to Cancun?

Frontier, Aeromexico, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Cancun

How many flights depart from Seattle to Cancún on average per week?

As of October 2025, there are 23 flights per week flying from Seattle to Cancún. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.

How many flights depart from Seattle to Cancún on average per day?

The number of flights available between Seattle and Cancún is 3 per day as of October 2025. The most frequent departure time is 7:00AM, with 100% of daily flights leaving at noon.

Which airport is the most popular layover for flights between Seattle and Cancún?

Dallas (DFW) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Cancún?

Delta, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Cancún from Seattle according to our data. Delta is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Cancún. Keep in mind that there are 11 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Seattle to Cancún?

Dallas (DFW) has the shortest average layover time for this route: 1h 43m.

Which layover airport offers the lowest fares from Seattle to Cancún?

Flights via Houston (IAH) offer the lowest average round-trip price of $434.

Which layover airport has the shortest travel time from Seattle to Cancún?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 30m.

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 refresh daily.

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

There are 11 operators available for flights from Seattle/Tacoma Intl Airport to Cancun Airport as of October 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

$135 Cheap Flights from Seattle to Cancún in 2025/26

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12:48 pm - 1:09 pmSEA-CUN

21h 21m2 stops

2:14 pm - 8:46 amCUN-SEA

21h 32m1 stop

$329Multiple Airlines

Find Deal

Sat, Dec 6 - Thu, Dec 11

5:50 pm - 4:52 pmSEA-CUN

20h 02m1 stop

2:14 pm - 8:46 amCUN-SEA

21h 32m1 stop

$336Multiple Airlines

Find Deal

Tue, Dec 2 - Thu, Dec 11

12:48 pm - 4:42 pmSEA-CUN

24h 54m2 stops

2:14 pm - 8:46 amCUN-SEA

21h 32m1 stop

$351Multiple Airlines

Find Deal

Sun, Dec 7 - Sun, Dec 14

7:20 am - 4:15 pmSEA-CUN

5h 55mnonstop

8:38 am - 7:55 pmCUN-SEA

14h 17m1 stop

$362Delta

Find Deal

Fri, Jan 30 - Tue, Feb 3

10:00 pm - 1:20 pmSEA-CUN

12h 20m1 stop

11:20 am - 7:55 pmCUN-SEA

11h 35m1 stop

$366Delta

Find Deal

Fri, Jan 30 - Tue, Feb 3

8:06 am - 5:05 pmSEA-CUN

5h 59mnonstop

4:00 pm - 7:48 pmCUN-SEA

6h 48mnonstop

$371Alaska Airlines

Find Deal

Wed, Dec 31 - Thu, Jan 15

7:20 am - 4:15 pmSEA-CUN

5h 55mnonstop

6:06 am - 4:40 pmCUN-SEA

13h 34m2 stops

$372Aeromexico

Find Deal

Sun, Jan 11 - Sat, Jan 17

12:00 pm - 9:55 amSEA-CUN

18h 55m2 stops

7:42 pm - 4:40 pmCUN-SEA

23h 58m2 stops

$376Aeromexico

Find Deal

Sat, Jan 10 - Mon, Jan 19

2:54 pm - 5:12 pmSEA-CUN

23h 18m1 stop

11:38 am - 4:28 pmCUN-SEA

31h 50m2 stops

$378Frontier

Find Deal

Sat, Jan 3 - Thu, Jan 15

1:01 pm - 5:20 pmSEA-CUN

25h 19m1 stop

6:02 pm - 11:53 amCUN-SEA

44h 51m2 stops

$381Frontier

Find Deal

Mon, Nov 24 - Wed, Dec 3

Frontier flights from Seattle to Cancún

Our best Frontier deals on Seattle to Cancún flight tickets

Frontier

Jan 3

SEA2:54 pmSeattle/Tacoma Intl

23h 18m

1 stop

CUN5:12 pmCancun

Jan 15

CUN11:38 amCancun

31h 50m

2 stops

SEA4:28 pmSeattle/Tacoma Intl

$378

Find similar

Frontier

Nov 24

SEA1:01 pmSeattle/Tacoma Intl

25h 19m

1 stop

CUN5:20 pmCancun

Dec 3

CUN6:02 pmCancun

44h 51m

2 stops

SEA11:53 amSeattle/Tacoma Intl

$381

Find similar

Frontier

Nov 23

SEA12:46 pmSeattle/Tacoma Intl

25h 34m

1 stop

CUN5:20 pmCancun

Dec 3

CUN6:02 pmCancun

44h 51m

2 stops

SEA11:53 amSeattle/Tacoma Intl

$392

Find similar

Alaska Airlines flights from Seattle to Cancún

Our best Alaska Airlines deals on Seattle to Cancún flight tickets

Alaska Airlines

Dec 31

SEA8:06 amSeattle/Tacoma Intl

5h 59m

CUN5:05 pmCancun

Jan 15

CUN4:00 pmCancun

6h 48m

SEA7:48 pmSeattle/Tacoma Intl

$371

Find similar

Alaska Airlines

Oct 27

SEA9:15 pmSeattle/Tacoma Intl

15h 35m

1 stop

CUN2:50 pmCancun

Nov 14

CUN7:55 pmCancun

24h 35m

1 stop

SEA5:30 pmSeattle/Tacoma Intl

$574

Find similar

Alaska Airlines

Oct 27

SEA9:13 amSeattle/Tacoma Intl

5h 52m

CUN5:05 pmCancun

Nov 14

CUN7:55 pmCancun

20h 07m

1 stop

SEA1:02 pmSeattle/Tacoma Intl

$576

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 12/6

12:48 pm-1:09 pm

2 stops21h 21m

Cancun

Thu 12/11

2:14 pm-8:46 am

1 stop21h 32m

$329

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 12/2

5:50 pm-4:52 pm

1 stop20h 02m

Cancun

Thu 12/11

2:14 pm-8:46 am

1 stop21h 32m

$336

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 12/7

12:48 pm-4:42 pm

2 stops24h 54m

Cancun

Sun 12/14

2:14 pm-8:46 am

1 stop21h 32m

$351

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 1/30

7:20 am-4:15 pm

Nonstop5h 55m

Cancun

Tue 2/3

8:38 am-7:55 pm

1 stop14h 17m

$362

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 1/30

10:00 pm-1:20 pm

1 stop12h 20m

Cancun

Tue 2/3

11:20 am-7:55 pm

1 stop11h 35m

$366

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 12/31

8:06 am-5:05 pm

Nonstop5h 59m

Cancun

Thu 1/15

4:00 pm-7:48 pm

Nonstop6h 48m

$371

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 1/11

7:20 am-4:15 pm

Nonstop5h 55m

Cancun

Sat 1/17

6:06 am-4:40 pm

2 stops13h 34m

$372

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 1/10

12:00 pm-9:55 am

2 stops18h 55m

Cancun

Mon 1/19

7:42 pm-4:40 pm

2 stops23h 58m

$376

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 1/3

2:54 pm-5:12 pm

1 stop23h 18m

Cancun

Thu 1/15

11:38 am-4:28 pm

2 stops31h 50m

$378

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 11/24

1:01 pm-5:20 pm

1 stop25h 19m

Cancun

Wed 12/3

6:02 pm-11:53 am

2 stops44h 51m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $480.

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

The cheapest day to depart from Seattle to Cancún is on a Monday when prices can be found for as low as $566. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $635. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

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

Our most recent data shows that the best time of day to fly to Cancún is in the afternoon. Flights from Seattle to Cancún during this time can be as low as $275. Flights to Cancún are more costly in the evening, with an average ticket price of $730. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 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 $574 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 $527 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Cancun flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Cancun 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?

No. A direct flight is the cheapest option for a flight between Seattle to Cancún.

How have Seattle to Cancún flight prices changed over time?

As of October 2025, prices for Seattle to Cancún flights are approximately 5% more expensive 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	$262
Fastest flight time	5h 50m
Direct flights	Every day
Airports in Cancún	1 airport

The best one-way flight to Cancún from Seattle in the past 72 hours is $262. The best round-trip flight deal from Seattle to Cancún found on momondo in the last 72 hours is $353.

The fastest flight from Seattle to Cancún takes 5h 50m

Direct flights go from Seattle to Cancún every day.

There is 1 airport near Cancún: Cancun (CUN)

Search flight deals

How far is Seattle/Tacoma Intl to Cancun by plane?
Cancun is 2685.3 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 5h 54m.
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 refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cancun Airport?
There are 11 operators available for flights from Seattle/Tacoma Intl Airport to Cancun Airport as of October 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Cancun Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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?
Based on momondo bookings for flights between Seattle and Cancún, the leading plane model is Airbus A321neo, making up 67.54% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 13.94%, Boeing 737 MAX 9 with 9.43%, and Boeing 737 with 4.57%.
What is the most popular airline from Seattle to Cancún?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Cancún is Delta (53% of total bookings). The next most popular airlines are Alaska Airlines (17%), Aeromexico (11%), and American Airlines (8%).

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
Spirit Airlines	PriceFrom $127	Free Cancellation	Rating 6.3 8,104 reviews	Search Spirit Airlines flights
Volaris	PriceFrom $235	Free Cancellation	Rating 6.7 1,151 reviews	Search Volaris flights
Aeromexico	PriceFrom $252	Free Cancellation	Rating 7.4 1,681 reviews	Search Aeromexico flights
Hawaiian Airlines	PriceFrom $289	Free Cancellation	Rating 7.8 2,789 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $310	Free Cancellation	Rating 7.1 10,351 reviews	Search Air Canada flights
Frontier	PriceFrom $314	Free Cancellation	Rating 5.8 3,128 reviews	Search Frontier flights
Delta	PriceFrom $350	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
United Airlines	PriceFrom $391	Free Cancellation	Rating 7.4 8,995 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $418	Free Cancellation	Rating 8.0 11,161 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $419	Free Cancellation	Rating 7.2 11,033 reviews	Search American Airlines flights

Alaska Airlines Flights From Seattle to Cancún
Alaska Airlines flight deals from Seattle to Cancún start from $418 round-trip. Over the 4 Alaska Airlines flights for this route in a normal week, average airfare is usually $653 round-trip - but some users have found much cheaper deals with momondo.
Delta Flights From Seattle to Cancún
Delta (7.9/10 from 7,982 reviews) operates around 5 flights from Seattle to Cancún in any given week. The average Delta airfare for this route is around $594, with deals from around $350 rare but found on momondo. Referenced prices are for round-trip Seattle to Cancún flight searches in the last 72 hours.

Playa del Carmen

Isla Mujeres

Holbox

Puerto Morelos

Akumal

Puerto Aventuras

Valladolid

Punta Sam

Why use momondo?

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

Finding the right flight to Cancún from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cancún quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Cancún from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Seattle and Cancún by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Seattle to Cancún flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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.

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Cheap flights from Seattle to Cancún from $135

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 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Find the cheapest flights from Seattle to Cancún

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Frontier flights from Seattle to Cancún

Our best Frontier deals on Seattle to Cancún flight tickets

Alaska Airlines flights from Seattle to Cancún

Our best Alaska Airlines deals on Seattle to Cancún flight tickets

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Use the filters below to find and compare flights from Seattle to Cancún that are best for you.

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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 cheapest month to fly to Cancún?

If you don’t want to visit Cancún in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $480.

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

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

What cabin class options are available on Seattle/Tacoma Intl to Cancun flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Cancun 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?

No. A direct flight is the cheapest option for a flight between Seattle to Cancún.

How have Seattle to Cancún flight prices changed over time?

As of October 2025, prices for Seattle to Cancún flights are approximately 5% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Cancun?

Frontier, Aeromexico, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Cancun

What airlines fly to Cancún?

Which airport is the most popular layover for flights between Seattle and Cancún?

Dallas (DFW) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Cancún?

Flights via Houston (IAH) offer the lowest average round-trip price of $434.

Which layover airport has the shortest travel time from Seattle to Cancún?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 30m.

Which layover airport has the shortest connection time from Seattle to Cancún?

Dallas (DFW) has the shortest average layover time for this route: 1h 43m.

How many flights depart from Seattle to Cancún on average per day?

The number of flights available between Seattle and Cancún is 3 per day as of October 2025. The most frequent departure time is 7:00AM, with 100% of daily flights leaving at noon.

How many flights depart from Seattle to Cancún on average per week?

As of October 2025, there are 23 flights per week flying from Seattle to Cancún. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.

When to book flights from Seattle to Cancún

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

Fastest flight time

Direct flights

Airports in Cancún

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

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

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?

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

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

Alaska Airlines Flights From Seattle to Cancún

Delta Flights From Seattle to Cancún

Traveling to a place near Cancún?

Why use momondo?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.