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Cheap flights from Cancún to Seattle from $148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to Seattle departing on 4/15. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Cancún to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:14 pm - 9:49 am
CUN
-
SEA
22h 35m
2 stops
Frontier Logo
11:06 am - 9:54 am
SEA
-
CUN
20h 48m
2 stops
$315Frontier
Sun, May 10 - Tue, May 19
Frontier Logo
3:39 pm - 9:49 am
CUN
-
SEA
20h 10m
1 stop
Frontier Logo
7:50 pm - 12:04 pm
SEA
-
CUN
14h 14m
1 stop
$319Frontier
Tue, May 12 - Tue, May 19
Frontier Logo
1:14 pm - 9:49 am
CUN
-
SEA
22h 35m
2 stops
Frontier Logo
11:06 am - 9:54 am
SEA
-
CUN
20h 48m
2 stops
$331Frontier
Fri, May 8 - Tue, May 19
Frontier Logo
4:07 pm - 9:27 am
CUN
-
SEA
43h 20m
2 stops
Frontier Logo
7:50 pm - 12:04 pm
SEA
-
CUN
14h 14m
1 stop
$335Frontier
Tue, Apr 21 - Tue, May 5
Frontier Logo
1:14 pm - 9:49 am
CUN
-
SEA
22h 35m
2 stops
Frontier Logo
7:50 pm - 12:04 pm
SEA
-
CUN
14h 14m
1 stop
$339Frontier
Sun, May 10 - Thu, May 21
Frontier Logo
10:25 am - 9:49 am
CUN
-
SEA
25h 24m
2 stops
Frontier Logo
11:06 am - 12:04 pm
SEA
-
CUN
22h 58m
2 stops
$345Frontier
Fri, May 8 - Mon, May 18
Frontier Logo
3:39 pm - 9:49 am
CUN
-
SEA
20h 10m
1 stop
Frontier Logo
7:50 pm - 12:04 pm
SEA
-
CUN
14h 14m
1 stop
$350Frontier
Sun, May 10 - Sun, May 17
Frontier Logo
3:39 pm - 6:35 pm
CUN
-
SEA
28h 56m
2 stops
Frontier Logo
7:50 pm - 12:04 pm
SEA
-
CUN
14h 14m
1 stop
$351Frontier
Tue, May 12 - Tue, May 19
Frontier Logo
1:14 pm - 9:49 am
CUN
-
SEA
22h 35m
2 stops
Frontier Logo
11:06 am - 9:54 am
SEA
-
CUN
20h 48m
2 stops
$353Frontier
Thu, May 14 - Tue, May 19
Frontier Logo
1:14 pm - 9:49 am
CUN
-
SEA
22h 35m
2 stops
Frontier Logo
7:50 pm - 12:04 pm
SEA
-
CUN
14h 14m
1 stop
$355Frontier
Fri, May 8 - Thu, May 21

Frontier flights from Cancún to Seattle

Our best Frontier deals on Cancún to Seattle flight tickets
Frontier
May 9
CUN3:39 pmCancun
20h 10m
1 stop
SEA9:49 amSeattle/Tacoma Intl
May 16
SEA6:52 pmSeattle/Tacoma Intl
15h 12m
1 stop
CUN12:04 pmCancun
$298
Frontier
May 10
CUN1:14 pmCancun
22h 35m
2 stops
SEA9:49 amSeattle/Tacoma Intl
May 19
SEA11:06 amSeattle/Tacoma Intl
20h 48m
2 stops
CUN9:54 amCancun
$315
Frontier
May 12
CUN3:39 pmCancun
20h 10m
1 stop
SEA9:49 amSeattle/Tacoma Intl
May 19
SEA7:50 pmSeattle/Tacoma Intl
14h 14m
1 stop
CUN12:04 pmCancun
$319

Aeromexico flights from Cancún to Seattle

Our best Aeromexico deals on Cancún to Seattle flight tickets
Aeromexico
May 6
CUN4:17 pmCancun
6h 44m
SEA9:01 pmSeattle/Tacoma Intl
May 10
SEA10:15 amSeattle/Tacoma Intl
11h 30m
2 stops
CUN11:45 pmCancun
$416
Aeromexico
May 6
CUN4:17 pmCancun
6h 44m
SEA9:01 pmSeattle/Tacoma Intl
May 10
SEA7:25 amSeattle/Tacoma Intl
5h 50m
CUN3:15 pmCancun
$417
Aeromexico
May 6
CUN6:03 amCancun
12h 57m
2 stops
SEA5:00 pmSeattle/Tacoma Intl
May 10
SEA10:15 amSeattle/Tacoma Intl
11h 30m
2 stops
CUN11:45 pmCancun
$421

momondo Fare Finder

 
Customize your flight search to find flights from Cancún to Seattle 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 March 30, 2026.
Use the filters below to find and compare flights from Cancún to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 5/10

1:14 pm-9:49 am

2 stops22h 35m

Seattle/Tacoma Intl

Tue 5/19

11:06 am-9:54 am

2 stops20h 48m

$315
Quickest round-trip

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 5/12

3:39 pm-9:49 am

1 stop20h 10m

Seattle/Tacoma Intl

Tue 5/19

7:50 pm-12:04 pm

1 stop14h 14m

$319

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/8

1:14 pm-9:49 am

2 stops22h 35m

Seattle/Tacoma Intl

Tue 5/19

11:06 am-9:54 am

2 stops20h 48m

$331

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 4/21

4:07 pm-9:27 am

2 stops43h 20m

Seattle/Tacoma Intl

Tue 5/5

7:50 pm-12:04 pm

1 stop14h 14m

$335

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 5/10

1:14 pm-9:49 am

2 stops22h 35m

Seattle/Tacoma Intl

Thu 5/21

7:50 pm-12:04 pm

1 stop14h 14m

$339

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/8

10:25 am-9:49 am

2 stops25h 24m

Seattle/Tacoma Intl

Mon 5/18

11:06 am-12:04 pm

2 stops22h 58m

$345

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 5/10

3:39 pm-9:49 am

1 stop20h 10m

Seattle/Tacoma Intl

Sun 5/17

7:50 pm-12:04 pm

1 stop14h 14m

$350

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 5/12

3:39 pm-6:35 pm

2 stops28h 56m

Seattle/Tacoma Intl

Tue 5/19

7:50 pm-12:04 pm

1 stop14h 14m

$351

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 5/14

1:14 pm-9:49 am

2 stops22h 35m

Seattle/Tacoma Intl

Tue 5/19

11:06 am-9:54 am

2 stops20h 48m

$353

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/8

1:14 pm-9:49 am

2 stops22h 35m

Seattle/Tacoma Intl

Thu 5/21

7:50 pm-12:04 pm

1 stop14h 14m

$355

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 Seattle from

How to get the cheapest flight ticket from Cancún to Seattle

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 typical price of a round-trip flight between Cancún and Seattle?

What is the cheapest month to fly to Seattle?

In general, August is the cheapest month to fly from Cancún to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $352. If you don’t want to visit Seattle in August, then you should wait until November to fly from Cancún, when ticket prices are also cheap, with an average price of $356.

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

On average, the least expensive day to fly to Seattle from Cancún is on a Saturday. momondo users have found tickets for Saturday departures for as low as $313. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Cancún because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $439.

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

Flying to Seattle from Cancún in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $321 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $465. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Cancun to Seattle/Tacoma Intl flight route?

Fly from Cancun to Seattle/Tacoma Intl for the best Cancun - Seattle/Tacoma Intl flight prices

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

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

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

How have Cancún to Seattle flight prices changed over time?

As of March 2026, prices for Cancún to Seattle flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Cancún to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Cancún to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cancún to Seattle (CUN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cancún to Seattle

Best Price Found

$326

Fastest flight time

6h 19m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Cancún in the past 72 hours is $326. The best round-trip flight deal from Cancún to Seattle found on momondo in the last 72 hours is $218.
The fastest flight from Cancún to Seattle takes 6h 19m
Direct flights go from Cancún to Seattle every day.
There is 1 airport in Seattle. From Cancún there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

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

    Cancun and Seattle/Tacoma Intl are 2685.3 mi apart from one another. By plane, this route typically takes 6h 19m.

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

    Prices for flights from Cancun Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cancun Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Cancún to Seattle?

  • What is the most popular airline from Cancún to Seattle?

Best airlines flying from Cancún to Seattle

Compare and see reviews for airlines that fly from Cancún to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $332Free CancellationRating
7.9
8,359 reviews
Search Delta flights

  • Delta Flights From Cancún to Seattle

    Delta flies from Cancún to Seattle around 7 times per week, with 8,359 momondo users rating the airline 7.9/10. The cheapest Delta deal from Cancún to Seattle in the last 72 hours was $332 (round-trip), much lower than the average airfare cost of $509 for Delta flights on this route.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
Tumwater

Why use momondo?

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

Finding the right flight to Seattle from Cancún 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 Seattle quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Cancún to Seattle flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Cancún.

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

Of course. momondo tracks the price of Cancún to Seattle 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 Seattle trip

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