Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Cancún from $182

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 4/16. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? 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

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
12h 05m
1 stop
Multiple Airlines Logo
10:25 am - 11:37 am
CUN
-
SEA
51h 12m
2 stops
$345Multiple Airlines
Wed, Mar 25 - Tue, Mar 31
Multiple Airlines Logo
9:28 am - 12:05 pm
SEA
-
CUN
23h 37m
2 stops
Multiple Airlines Logo
11:08 am - 10:19 am
CUN
-
SEA
26h 11m
1 stop
$348Multiple Airlines
Thu, Feb 26 - Sat, Mar 7
Multiple Airlines Logo
10:00 pm - 9:48 am
SEA
-
CUN
9h 48m
1 stop
Multiple Airlines Logo
12:16 pm - 11:19 am
CUN
-
SEA
25h 03m
2 stops
$349Multiple Airlines
Sun, Mar 15 - Wed, Mar 25
Frontier Logo
12:00 pm - 5:17 pm
SEA
-
CUN
26h 17m
1 stop
Frontier Logo
2:24 pm - 8:13 am
CUN
-
SEA
20h 49m
2 stops
$351Frontier
Sun, Feb 22 - Wed, Feb 25
Multiple Airlines Logo
12:09 pm - 12:05 pm
SEA
-
CUN
20h 56m
2 stops
Multiple Airlines Logo
12:24 pm - 10:00 pm
CUN
-
SEA
12h 36m
1 stop
$352Multiple Airlines
Tue, Feb 24 - Thu, Feb 26
Frontier Logo
12:42 pm - 11:24 am
SEA
-
CUN
20h 42m
1 stop
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
$353Frontier
Sun, Apr 12 - Fri, Apr 17
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
$354Volaris
Sat, Feb 28 - Tue, Mar 10
Multiple Airlines Logo
10:00 pm - 9:48 am
SEA
-
CUN
9h 48m
1 stop
Multiple Airlines Logo
10:40 am - 10:05 pm
CUN
-
SEA
13h 25m
1 stop
$355Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Frontier Logo
6:57 pm - 2:39 pm
SEA
-
CUN
17h 42m
1 stop
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
$356Frontier
Sat, Apr 25 - Mon, May 4
Frontier Logo
1:16 pm - 10:38 am
SEA
-
CUN
18h 22m
2 stops
Frontier Logo
2:27 pm - 8:13 am
CUN
-
SEA
20h 46m
2 stops
$359Frontier
Sat, Feb 28 - Wed, Mar 4

Frontier flights from Seattle to Cancún

Our best Frontier deals on Seattle to Cancún flight tickets
Frontier
Feb 22
SEA12:00 pmSeattle/Tacoma Intl
26h 17m
1 stop
CUN5:17 pmCancun
Feb 25
CUN2:24 pmCancun
20h 49m
2 stops
SEA8:13 amSeattle/Tacoma Intl
$351
Frontier
Apr 12
SEA12:42 pmSeattle/Tacoma Intl
20h 42m
1 stop
CUN11:24 amCancun
Apr 17
CUN3:54 pmCancun
19h 33m
1 stop
SEA9:27 amSeattle/Tacoma Intl
$353
Frontier
Apr 25
SEA6:57 pmSeattle/Tacoma Intl
17h 42m
1 stop
CUN2:39 pmCancun
May 4
CUN3:54 pmCancun
19h 33m
1 stop
SEA9:27 amSeattle/Tacoma Intl
$356

Aeromexico flights from Seattle to Cancún

Our best Aeromexico deals on Seattle to Cancún flight tickets
Aeromexico
Feb 17
SEA9:34 amSeattle/Tacoma Intl
10h 49m
1 stop
CUN11:23 pmCancun
Feb 24
CUN6:47 pmCancun
22h 57m
2 stops
SEA2:44 pmSeattle/Tacoma Intl
$553
Aeromexico
Feb 17
SEA9:34 amSeattle/Tacoma Intl
10h 49m
1 stop
CUN11:23 pmCancun
Feb 24
CUN5:05 pmCancun
10h 04m
1 stop
SEA12:09 amSeattle/Tacoma Intl
$612

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 3, 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

Wed 3/25

10:00 pm-12:05 pm

1 stop12h 05m

Cancun

Tue 3/31

10:25 am-11:37 am

2 stops51h 12m

$345

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 2/26

9:28 am-12:05 pm

2 stops23h 37m

Cancun

Sat 3/7

11:08 am-10:19 am

1 stop26h 11m

$348

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 3/15

10:00 pm-9:48 am

1 stop9h 48m

Cancun

Wed 3/25

12:16 pm-11:19 am

2 stops25h 03m

$349

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 2/22

12:00 pm-5:17 pm

1 stop26h 17m

Cancun

Wed 2/25

2:24 pm-8:13 am

2 stops20h 49m

$351

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 2/24

12:09 pm-12:05 pm

2 stops20h 56m

Cancun

Thu 2/26

12:24 pm-10:00 pm

1 stop12h 36m

$352

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 4/12

12:42 pm-11:24 am

1 stop20h 42m

Cancun

Fri 4/17

3:54 pm-9:27 am

1 stop19h 33m

$353

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 2/28

10:00 pm-3:28 pm

1 stop14h 28m

Cancun

Tue 3/10

10:39 am-7:48 pm

1 stop11h 09m

$354

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 3/15

10:00 pm-9:48 am

1 stop9h 48m

Cancun

Tue 3/24

10:40 am-10:05 pm

1 stop13h 25m

$355

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 4/25

6:57 pm-2:39 pm

1 stop17h 42m

Cancun

Mon 5/4

3:54 pm-9:27 am

1 stop19h 33m

$356

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 2/28

1:16 pm-10:38 am

2 stops18h 22m

Cancun

Wed 3/4

2:27 pm-8:13 am

2 stops20h 46m

$359

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 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 $583. Flights to Cancún are more costly in the evening, with an average ticket price of $773. 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?

You could potentially save up to 42% 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 February 2026, prices for Seattle to Cancún flights are approximately 29% 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

$297

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 $297. The best round-trip flight deal from Seattle to Cancún found on momondo in the last 72 hours is $507.
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
1,175 reviews
Search Volaris flights
AeromexicoPriceFrom $190Free CancellationRating
7.4
1,583 reviews
Search Aeromexico flights
FrontierPriceFrom $193Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $231Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $253Free CancellationRating
7.1
10,680 reviews
Search Air Canada flights
DeltaPriceFrom $273Free CancellationRating
7.9
8,138 reviews
Search Delta flights
Alaska AirlinesPriceFrom $319Free CancellationRating
8.0
11,832 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $390Free CancellationRating
7.4
9,232 reviews
Search United Airlines flights
American AirlinesPriceFrom $393Free CancellationRating
7.2
11,215 reviews
Search American Airlines flights
SouthwestPriceFrom $433Free CancellationRating
8.0
4,272 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 8,138 reviews) operates around 7 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.

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
Thu 3/5
Thu 3/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Mexico