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Cheap flights from Seattle to Cancún from $179

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 12/31. 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
0 bags

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Find the cheapest flights from Seattle to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 pm - 12:05 pm
SEA
-
CUN
11h 05m1 stop
Multiple Airlines Logo
4:58 pm - 12:14 pm
CUN
-
SEA
22h 16m1 stop
$325Multiple Airlines
Mon, Feb 2 - Wed, Feb 11
Multiple Airlines Logo
2:02 pm - 12:05 pm
SEA
-
CUN
19h 03m2 stops
Multiple Airlines Logo
10:00 am - 8:39 pm
CUN
-
SEA
13h 39m1 stop
$326Multiple Airlines
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
10:00 pm - 12:05 pm
SEA
-
CUN
11h 05m1 stop
Multiple Airlines Logo
4:58 pm - 12:14 pm
CUN
-
SEA
22h 16m1 stop
$328Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
12:34 pm - 10:00 am
SEA
-
CUN
42h 26m2 stops
Multiple Airlines Logo
4:58 pm - 12:14 pm
CUN
-
SEA
22h 16m1 stop
$331Multiple Airlines
Fri, Jan 30 - Wed, Feb 11
Multiple Airlines Logo
10:00 pm - 12:05 pm
SEA
-
CUN
11h 05m1 stop
Multiple Airlines Logo
4:58 pm - 12:14 pm
CUN
-
SEA
22h 16m1 stop
$333Multiple Airlines
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
12:01 pm - 12:05 pm
SEA
-
CUN
21h 04m2 stops
Multiple Airlines Logo
4:58 pm - 12:14 pm
CUN
-
SEA
22h 16m1 stop
$335Multiple Airlines
Sun, Feb 1 - Wed, Feb 11
Multiple Airlines Logo
1:00 pm - 12:10 pm
SEA
-
CUN
20h 10m2 stops
Multiple Airlines Logo
10:00 am - 6:52 pm
CUN
-
SEA
11h 52m1 stop
$339Multiple Airlines
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
2:02 pm - 12:05 pm
SEA
-
CUN
19h 03m2 stops
Multiple Airlines Logo
11:40 am - 10:46 am
CUN
-
SEA
26h 06m1 stop
$342Multiple Airlines
Sat, Jan 17 - Fri, Jan 30
Multiple Airlines Logo
5:43 pm - 12:05 pm
SEA
-
CUN
15h 22m2 stops
Multiple Airlines Logo
10:00 am - 6:49 pm
CUN
-
SEA
11h 49m1 stop
$344Multiple Airlines
Sun, Jan 18 - Sat, Jan 24
Volaris Logo
10:00 pm - 12:10 pm
SEA
-
CUN
11h 10m1 stop
Volaris Logo
1:02 pm - 8:00 pm
CUN
-
SEA
9h 58m1 stop
$345Volaris
Sat, Feb 28 - Fri, Mar 6

Frontier flights from Seattle to Cancún

Our best Frontier deals on Seattle to Cancún flight tickets
Frontier
Jan 10
SEA2:49 pmSeattle/Tacoma Intl
23h 08m
1 stop
CUN4:57 pmCancun
Jan 24
CUN4:30 pmCancun
45h 49m
2 stops
SEA11:19 amSeattle/Tacoma Intl
$350
Find similar
Frontier
Jan 10
SEA12:40 pmSeattle/Tacoma Intl
25h 17m
2 stops
CUN4:57 pmCancun
Jan 24
CUN4:30 pmCancun
45h 49m
2 stops
SEA11:19 amSeattle/Tacoma Intl
$363
Find similar
Frontier
Feb 20
SEA1:09 pmSeattle/Tacoma Intl
42h 26m
2 stops
CUN10:35 amCancun
Mar 4
CUN4:58 pmCancun
22h 16m
1 stop
SEA12:14 pmSeattle/Tacoma Intl
$369
Find similar

Alaska Airlines flights from Seattle to Cancún

Our best Alaska Airlines deals on Seattle to Cancún flight tickets
Alaska Airlines
Dec 9
SEA8:03 amSeattle/Tacoma Intl
6h 02m
CUN5:05 pmCancun
Dec 21
CUN8:10 amCancun
6h 40m
SEA11:50 amSeattle/Tacoma Intl
$580
Find similar
Alaska Airlines
Dec 12
SEA9:14 pmSeattle/Tacoma Intl
18h 31m
1 stop
CUN6:45 pmCancun
Dec 14
CUN7:55 pmCancun
18h 12m
1 stop
SEA11:07 amSeattle/Tacoma Intl
$593
Find similar
Alaska Airlines
Dec 13
SEA8:03 amSeattle/Tacoma Intl
6h 02m
CUN5:05 pmCancun
Dec 30
CUN8:10 amCancun
6h 40m
SEA11:50 amSeattle/Tacoma Intl
$621
Find similar

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 832,500 searches. Data last updated December 9, 2025.
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

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 2/2

10:00 pm-12:05 pm

1 stop11h 05m

Cancun

Wed 2/11

4:58 pm-12:14 pm

1 stop22h 16m

$325

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 1/17

2:02 pm-12:05 pm

2 stops19h 03m

Cancun

Sat 1/24

10:00 am-8:39 pm

1 stop13h 39m

$326

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 2/4

10:00 pm-12:05 pm

1 stop11h 05m

Cancun

Wed 2/11

4:58 pm-12:14 pm

1 stop22h 16m

$328

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 1/30

12:34 pm-10:00 am

2 stops42h 26m

Cancun

Wed 2/11

4:58 pm-12:14 pm

1 stop22h 16m

$331

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 2/7

10:00 pm-12:05 pm

1 stop11h 05m

Cancun

Sat 2/14

4:58 pm-12:14 pm

1 stop22h 16m

$333

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 2/1

12:01 pm-12:05 pm

2 stops21h 04m

Cancun

Wed 2/11

4:58 pm-12:14 pm

1 stop22h 16m

$335

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 2/28

1:00 pm-12:10 pm

2 stops20h 10m

Cancun

Wed 3/4

10:00 am-6:52 pm

1 stop11h 52m

$339

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 1/17

2:02 pm-12:05 pm

2 stops19h 03m

Cancun

Fri 1/30

11:40 am-10:46 am

1 stop26h 06m

$342

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 1/18

5:43 pm-12:05 pm

2 stops15h 22m

Cancun

Sat 1/24

10:00 am-6:49 pm

1 stop11h 49m

$344

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 2/28

10:00 pm-12:10 pm

1 stop11h 10m

Cancun

Fri 3/6

1:02 pm-8:00 pm

1 stop9h 58m

$345

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 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 $472.

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 $564. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $627. 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 $731. 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 $565 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 $522 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 December 2025, prices for Seattle to Cancún flights are approximately 28% 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

$179

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 $179. The best round-trip flight deal from Seattle to Cancún found on momondo in the last 72 hours is $421.
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 11h 05m.

  • 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?

  • 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?

  • 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
Spirit AirlinesPriceFrom $122Free CancellationRating
6.3
8,173 reviews
Search Spirit Airlines flights
VolarisPriceFrom $228Free CancellationRating
6.7
1,156 reviews
Search Volaris flights
AeromexicoPriceFrom $246Free CancellationRating
7.4
1,646 reviews
Search Aeromexico flights
FrontierPriceFrom $270Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $289Free CancellationRating
7.8
2,818 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $310Free CancellationRating
7.1
10,514 reviews
Search Air Canada flights
DeltaPriceFrom $343Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
9,090 reviews
Search United Airlines flights
American AirlinesPriceFrom $411Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $416Free CancellationRating
8.0
11,423 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Cancún

    Alaska Airlines flight deals from Seattle to Cancún start from $416 round-trip. Over the 8 Alaska Airlines flights for this route in a normal week, average airfare is usually $637 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From Seattle to Cancún

    Delta (7.9/10 from 8,007 reviews) operates around 7 flights from Seattle to Cancún in any given week. The average Delta airfare for this route is around $590, with deals from around $343 rare but found on momondo. Referenced prices are for round-trip Seattle to Cancún flight searches in the last 72 hours.

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
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.

An easier way to manage your Cancún trip

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