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Cheap flights from Seattle to Cancún from $157

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 4/21. 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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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.
Frontier Logo
1:16 pm - 5:17 pm
SEA
-
CUN
25h 01m
1 stop
Frontier Logo
12:24 pm - 11:19 am
CUN
-
SEA
25h 55m
1 stop
$344Frontier
Thu, Feb 26 - Thu, Mar 5
Frontier Logo
6:57 pm - 2:39 pm
SEA
-
CUN
17h 42m
1 stop
Frontier Logo
3:54 pm - 3:05 pm
CUN
-
SEA
25h 11m
1 stop
$345Frontier
Mon, Apr 27 - Wed, May 6
Volaris Logo
10:00 pm - 3:28 pm
SEA
-
CUN
14h 28m
1 stop
Volaris Logo
10:39 am - 7:48 pm
CUN
-
SEA
11h 09m
1 stop
$346Volaris
Thu, Mar 5 - Thu, Mar 12
Volaris Logo
10:00 pm - 3:28 pm
SEA
-
CUN
14h 28m
1 stop
Volaris Logo
10:39 am - 7:48 pm
CUN
-
SEA
11h 09m
1 stop
$347Volaris
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
8:11 pm - 11:24 am
SEA
-
CUN
13h 13m
1 stop
Multiple Airlines Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
$350Multiple Airlines
Sat, Apr 11 - Fri, May 1
Multiple Airlines Logo
12:09 pm - 12:05 pm
SEA
-
CUN
20h 56m
2 stops
Multiple Airlines Logo
11:08 am - 9:10 am
CUN
-
SEA
25h 02m
1 stop
$351Multiple Airlines
Tue, Feb 24 - Fri, Mar 6
Multiple Airlines Logo
9:40 pm - 12:10 am
SEA
-
CUN
48h 30m
2 stops
Multiple Airlines Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
$353Multiple Airlines
Mon, Mar 30 - Fri, Apr 17
Multiple Airlines Logo
9:28 am - 12:05 pm
SEA
-
CUN
23h 37m
2 stops
Multiple Airlines Logo
12:24 pm - 11:19 am
CUN
-
SEA
25h 55m
1 stop
$355Multiple Airlines
Mon, Mar 2 - Thu, Mar 5
Frontier Logo
12:30 pm - 6:09 pm
SEA
-
CUN
26h 39m
1 stop
Frontier Logo
2:27 pm - 12:01 pm
CUN
-
SEA
24h 34m
1 stop
$356Frontier
Mon, Feb 23 - Wed, Mar 4
Frontier Logo
12:42 pm - 2:39 pm
SEA
-
CUN
23h 57m
1 stop
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
$357Frontier
Mon, Apr 13 - Fri, Apr 17

Frontier flights from Seattle to Cancún

Our best Frontier deals on Seattle to Cancún flight tickets
Frontier
Feb 26
SEA1:16 pmSeattle/Tacoma Intl
25h 01m
1 stop
CUN5:17 pmCancun
Mar 5
CUN12:24 pmCancun
25h 55m
1 stop
SEA11:19 amSeattle/Tacoma Intl
$344
Frontier
Apr 27
SEA6:57 pmSeattle/Tacoma Intl
17h 42m
1 stop
CUN2:39 pmCancun
May 6
CUN3:54 pmCancun
25h 11m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
$345
Frontier
Feb 23
SEA12:30 pmSeattle/Tacoma Intl
26h 39m
1 stop
CUN6:09 pmCancun
Mar 4
CUN2:27 pmCancun
24h 34m
1 stop
SEA12:01 pmSeattle/Tacoma Intl
$356

Volaris flights from Seattle to Cancún

Our best Volaris deals on Seattle to Cancún flight tickets
Volaris
Mar 5
SEA10:00 pmSeattle/Tacoma Intl
14h 28m
1 stop
CUN3:28 pmCancun
Mar 12
CUN10:39 amCancun
11h 09m
1 stop
SEA7:48 pmSeattle/Tacoma Intl
$346
Volaris
Mar 4
SEA10:00 pmSeattle/Tacoma Intl
14h 28m
1 stop
CUN3:28 pmCancun
Mar 11
CUN10:39 amCancun
11h 09m
1 stop
SEA7:48 pmSeattle/Tacoma Intl
$347
Volaris
Feb 25
SEA10:00 pmSeattle/Tacoma Intl
14h 28m
1 stop
CUN3:28 pmCancun
Mar 4
CUN10:39 amCancun
12h 09m
1 stop
SEA7:48 pmSeattle/Tacoma Intl
$381

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 February 8, 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

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 2/26

1:16 pm-5:17 pm

1 stop25h 01m

Cancun

Thu 3/5

12:24 pm-11:19 am

1 stop25h 55m

$344

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 4/27

6:57 pm-2:39 pm

1 stop17h 42m

Cancun

Wed 5/6

3:54 pm-3:05 pm

1 stop25h 11m

$345

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 3/5

10:00 pm-3:28 pm

1 stop14h 28m

Cancun

Thu 3/12

10:39 am-7:48 pm

1 stop11h 09m

$346

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 3/4

10:00 pm-3:28 pm

1 stop14h 28m

Cancun

Wed 3/11

10:39 am-7:48 pm

1 stop11h 09m

$347

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 4/11

8:11 pm-11:24 am

1 stop13h 13m

Cancun

Fri 5/1

3:54 pm-9:27 am

1 stop19h 33m

$350

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 2/24

12:09 pm-12:05 pm

2 stops20h 56m

Cancun

Fri 3/6

11:08 am-9:10 am

1 stop25h 02m

$351

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 3/30

9:40 pm-12:10 am

2 stops48h 30m

Cancun

Fri 4/17

3:54 pm-9:27 am

1 stop19h 33m

$353

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 3/2

9:28 am-12:05 pm

2 stops23h 37m

Cancun

Thu 3/5

12:24 pm-11:19 am

1 stop25h 55m

$355

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 2/23

12:30 pm-6:09 pm

1 stop26h 39m

Cancun

Wed 3/4

2:27 pm-12:01 pm

1 stop24h 34m

$356

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 4/13

12:42 pm-2:39 pm

1 stop23h 57m

Cancun

Fri 4/17

3:54 pm-9:27 am

1 stop19h 33m

$357

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 $469.

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 $562. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $628. 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 morning. Flights from Seattle to Cancún during this time can be as low as $580. Flights to Cancún are more costly in the evening, with an average ticket price of $771. 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 $564 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 $507 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 February 2026, prices for Seattle to Cancún flights are approximately 21% 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

$290

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 $290. The best round-trip flight deal from Seattle to Cancún found on momondo in the last 72 hours is $498.
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 $165Free CancellationRating
6.6
1,176 reviews
Search Volaris flights
AeromexicoPriceFrom $190Free CancellationRating
7.4
1,577 reviews
Search Aeromexico flights
FrontierPriceFrom $193Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $231Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $253Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
DeltaPriceFrom $273Free CancellationRating
7.9
8,173 reviews
Search Delta flights
Alaska AirlinesPriceFrom $319Free CancellationRating
8.0
11,857 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $390Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
American AirlinesPriceFrom $393Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights
SouthwestPriceFrom $433Free CancellationRating
8.0
4,282 reviews
Search Southwest flights

  • Alaska Airlines Flights From Seattle to Cancún

    Alaska Airlines flight deals from Seattle to Cancún start from $319 round-trip. Over the 6 Alaska Airlines flights for this route in a normal week, average airfare is usually $634 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From Seattle to Cancún

    Delta (7.9/10 from 8,173 reviews) operates around 6 flights from Seattle to Cancún in any given week. The average Delta airfare for this route is around $578, with deals from around $273 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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