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Cheap flights from Seattle to Cancún from $129

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 2/8. 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
9:18 am - 3:01 pm
SEA
-
CUN
26h 43m2 stops
Multiple Airlines Logo
12:24 pm - 10:00 pm
CUN
-
SEA
12h 36m1 stop
$321Multiple Airlines
Mon, Feb 23 - Thu, Mar 5
Multiple Airlines Logo
12:01 pm - 12:05 pm
SEA
-
CUN
21h 04m2 stops
Multiple Airlines Logo
10:00 am - 8:39 pm
CUN
-
SEA
13h 39m1 stop
$322Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
5:43 pm - 12:05 pm
SEA
-
CUN
15h 22m2 stops
Multiple Airlines Logo
2:24 pm - 9:11 am
CUN
-
SEA
21h 47m1 stop
$323Multiple Airlines
Sun, Jan 18 - Tue, Feb 10
Multiple Airlines Logo
10:00 pm - 3:28 pm
SEA
-
CUN
14h 28m1 stop
Multiple Airlines Logo
3:30 pm - 5:15 pm
CUN
-
SEA
28h 45m2 stops
$324Multiple Airlines
Mon, Jan 19 - Mon, Feb 9
Multiple Airlines Logo
9:18 am - 9:56 am
SEA
-
CUN
21h 38m2 stops
Multiple Airlines Logo
12:24 pm - 11:19 am
CUN
-
SEA
25h 55m1 stop
$325Multiple Airlines
Mon, Feb 23 - Thu, Mar 5
Multiple Airlines Logo
12:09 pm - 12:05 pm
SEA
-
CUN
20h 56m2 stops
Multiple Airlines Logo
12:24 pm - 10:00 pm
CUN
-
SEA
12h 36m1 stop
$326Multiple Airlines
Tue, Feb 24 - Thu, Mar 5
Frontier Logo
12:00 pm - 5:17 pm
SEA
-
CUN
26h 17m1 stop
Frontier Logo
12:24 pm - 10:55 am
CUN
-
SEA
25h 31m1 stop
$328Frontier
Fri, Feb 20 - Sat, Feb 28
Multiple Airlines Logo
12:09 pm - 3:01 pm
SEA
-
CUN
23h 52m2 stops
Multiple Airlines Logo
2:24 pm - 9:10 am
CUN
-
SEA
21h 46m1 stop
$329Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Multiple Airlines Logo
10:00 pm - 3:28 pm
SEA
-
CUN
14h 28m1 stop
Multiple Airlines Logo
11:05 am - 11:19 am
CUN
-
SEA
51h 14m2 stops
$330Multiple Airlines
Mon, Jan 19 - Fri, Feb 6
Multiple Airlines Logo
12:01 pm - 12:05 pm
SEA
-
CUN
21h 04m2 stops
Multiple Airlines Logo
2:24 pm - 9:11 am
CUN
-
SEA
21h 47m1 stop
$331Multiple Airlines
Sun, Feb 1 - Tue, Feb 10

Volaris flights from Seattle to Cancún

Our best Volaris deals on Seattle to Cancún flight tickets
Volaris
Feb 9
SEA10:00 pmSeattle/Tacoma Intl
14h 28m
1 stop
CUN3:28 pmCancun
Feb 18
CUN10:39 amCancun
12h 09m
1 stop
SEA7:48 pmSeattle/Tacoma Intl
$342
Find similar
Volaris
Jan 31
SEA10:00 pmSeattle/Tacoma Intl
11h 05m
1 stop
CUN12:05 pmCancun
Feb 9
CUN10:39 amCancun
12h 09m
1 stop
SEA7:48 pmSeattle/Tacoma Intl
$343
Find similar
Volaris
Feb 26
SEA10:00 pmSeattle/Tacoma Intl
14h 28m
1 stop
CUN3:28 pmCancun
Mar 7
CUN10:39 amCancun
12h 09m
1 stop
SEA7:48 pmSeattle/Tacoma Intl
$347
Find similar

Alaska Airlines flights from Seattle to Cancún

Our best Alaska Airlines deals on Seattle to Cancún flight tickets
Alaska Airlines
Jan 4
SEA10:50 pmSeattle/Tacoma Intl
5h 50m
CUN7:40 amCancun
Jan 14
CUN4:00 pmCancun
6h 44m
SEA7:44 pmSeattle/Tacoma Intl
$473
Find similar
Alaska Airlines
Jan 2
SEA8:06 amSeattle/Tacoma Intl
5h 59m
CUN5:05 pmCancun
Jan 12
CUN4:00 pmCancun
6h 44m
SEA7:44 pmSeattle/Tacoma Intl
$508
Find similar
Alaska Airlines
Jan 2
SEA10:50 pmSeattle/Tacoma Intl
5h 50m
CUN7:40 amCancun
Jan 12
CUN4:00 pmCancun
6h 44m
SEA7:44 pmSeattle/Tacoma Intl
$516
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 28, 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 2/23

9:18 am-3:01 pm

2 stops26h 43m

Cancun

Thu 3/5

12:24 pm-10:00 pm

1 stop12h 36m

$321

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 2/1

12:01 pm-12:05 pm

2 stops21h 04m

Cancun

Sun 2/8

10:00 am-8:39 pm

1 stop13h 39m

$322

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 1/18

5:43 pm-12:05 pm

2 stops15h 22m

Cancun

Tue 2/10

2:24 pm-9:11 am

1 stop21h 47m

$323

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 1/19

10:00 pm-3:28 pm

1 stop14h 28m

Cancun

Mon 2/9

3:30 pm-5:15 pm

2 stops28h 45m

$324

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 2/23

9:18 am-9:56 am

2 stops21h 38m

Cancun

Thu 3/5

12:24 pm-11:19 am

1 stop25h 55m

$325

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 2/24

12:09 pm-12:05 pm

2 stops20h 56m

Cancun

Thu 3/5

12:24 pm-10:00 pm

1 stop12h 36m

$326

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 2/20

12:00 pm-5:17 pm

1 stop26h 17m

Cancun

Sat 2/28

12:24 pm-10:55 am

1 stop25h 31m

$328

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 2/17

12:09 pm-3:01 pm

2 stops23h 52m

Cancun

Tue 2/24

2:24 pm-9:10 am

1 stop21h 46m

$329

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 1/19

10:00 pm-3:28 pm

1 stop14h 28m

Cancun

Fri 2/6

11:05 am-11:19 am

2 stops51h 14m

$330

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 2/1

12:01 pm-12:05 pm

2 stops21h 04m

Cancun

Tue 2/10

2:24 pm-9:11 am

1 stop21h 47m

$331

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 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 $560. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $620. 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 $741. 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 $531 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

$271

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 $271. The best round-trip flight deal from Seattle to Cancún found on momondo in the last 72 hours is $408.
The fastest flight from Seattle to Cancún takes 5h 50m
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

  • 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 50m.

  • 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
VolarisPriceFrom $212Free CancellationRating
6.6
1,165 reviews
Search Volaris flights
AeromexicoPriceFrom $242Free CancellationRating
7.4
1,622 reviews
Search Aeromexico flights
FrontierPriceFrom $270Free CancellationRating
5.8
3,070 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $289Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $310Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
DeltaPriceFrom $341Free CancellationRating
7.9
8,022 reviews
Search Delta flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
American AirlinesPriceFrom $407Free CancellationRating
7.2
11,073 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $416Free CancellationRating
8.0
11,550 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $433Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

  • Alaska Airlines Flights From Seattle to Cancún

    Alaska Airlines flight deals from Seattle to Cancún start from $416 round-trip. Over the 12 Alaska Airlines flights for this route in a normal week, average airfare is usually $640 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From Seattle to Cancún

    Delta (7.9/10 from 8,018 reviews) operates around 7 flights from Seattle to Cancún in any given week. The average Delta airfare for this route is around $591, with deals from around $341 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.

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