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Cheap flights from Cancún to Seattle from $185

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 10/4. 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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Find the cheapest flights from Cancún to Seattle

Cheap round-trip flights

Aeromexico Logo
8:10 am - 8:00 pmCUN-SEA
13h 50m1 stop
Aeromexico Logo
9:30 am - 11:40 pmSEA-CUN
12h 10m1 stop
$302Aeromexico
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Wed, Sep 24 - Tue, Oct 7
United Airlines Logo
2:24 pm - 10:15 pmCUN-SEA
9h 51m1 stop
United Airlines Logo
7:34 pm - 12:02 pmSEA-CUN
14h 28m2 stops
$307United Airlines
Find Deal
Thu, Sep 11 - Tue, Sep 16
Delta Logo
4:10 pm - 8:45 pmCUN-SEA
6h 35mnonstop
Delta Logo
5:25 am - 3:16 pmSEA-CUN
7h 51m1 stop
$312Delta
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Mon, Oct 20 - Thu, Oct 30
Delta Logo
9:10 am - 10:22 pmCUN-SEA
15h 12m2 stops
Delta Logo
11:40 pm - 1:00 pmSEA-CUN
11h 20m1 stop
$317Delta
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Thu, Sep 11 - Sat, Sep 20
Alaska Airlines Logo
4:10 pm - 8:43 pmCUN-SEA
6h 33mnonstop
Alaska Airlines Logo
9:13 am - 5:05 pmSEA-CUN
5h 52mnonstop
$346Alaska Airlines
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Tue, Oct 21 - Mon, Oct 27
Logo
11:15 am - 8:00 pmCUN-SEA
10h 45m1 stop
Logo
9:13 am - 5:05 pmSEA-CUN
5h 52mnonstop
$350
Find Deal
Tue, Oct 21 - Mon, Oct 27
American Airlines Logo
10:45 am - 9:23 pmCUN-SEA
12h 38m2 stops
American Airlines Logo
5:24 pm - 9:41 amSEA-CUN
14h 17m2 stops
$369American Airlines
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Tue, Sep 9 - Thu, Sep 18
American Airlines Logo
12:50 pm - 11:59 pmCUN-SEA
13h 09m1 stop
American Airlines Logo
5:24 pm - 9:41 amSEA-CUN
14h 17m2 stops
$374American Airlines
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Sun, Sep 14 - Thu, Sep 18
Logo
4:10 pm - 8:43 pmCUN-SEA
6h 33mnonstop
Logo
5:25 am - 3:16 pmSEA-CUN
7h 51m1 stop
$382
Find Deal
Tue, Oct 21 - Tue, Oct 28
Alaska Airlines Logo
4:10 pm - 8:43 pmCUN-SEA
6h 33mnonstop
Alaska Airlines Logo
7:40 pm - 2:50 pmSEA-CUN
16h 10m2 stops
$397Alaska Airlines
Find Deal
Tue, Oct 21 - Sun, Nov 2

United Airlines flights from Cancún to Seattle

Our best United Airlines deals on Cancún to Seattle flight tickets
United Airlines
Sep 11
CUN2:24 pmCancun
9h 51m
1 stop
SEA10:15 pmSeattle/Tacoma Intl
Sep 16
SEA7:34 pmSeattle/Tacoma Intl
14h 28m
2 stops
CUN12:02 pmCancun
$307
Find similar
United Airlines
Sep 6
CUN7:51 amCancun
16h 24m
2 stops
SEA10:15 pmSeattle/Tacoma Intl
Sep 12
SEA11:54 pmSeattle/Tacoma Intl
12h 34m
1 stop
CUN2:28 pmCancun
$308
Find similar
United Airlines
Sep 4
CUN1:43 pmCancun
11h 09m
1 stop
SEA10:52 pmSeattle/Tacoma Intl
Sep 13
SEA11:58 pmSeattle/Tacoma Intl
10h 04m
1 stop
CUN12:02 pmCancun
$309
Find similar

American Airlines flights from Cancún to Seattle

Our best American Airlines deals on Cancún to Seattle flight tickets
American Airlines
Sep 9
CUN10:45 amCancun
12h 38m
2 stops
SEA9:23 pmSeattle/Tacoma Intl
Sep 18
SEA5:24 pmSeattle/Tacoma Intl
14h 17m
2 stops
CUN9:41 amCancun
$369
Find similar
American Airlines
Sep 14
CUN12:50 pmCancun
13h 09m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Sep 18
SEA5:24 pmSeattle/Tacoma Intl
14h 17m
2 stops
CUN9:41 amCancun
$374
Find similar
American Airlines
Aug 30
CUN10:45 amCancun
15h 29m
1 stop
SEA12:14 amSeattle/Tacoma Intl
Sep 6
SEA5:43 pmSeattle/Tacoma Intl
14h 13m
1 stop
CUN9:56 amCancun
$399
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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 July 31, 2025.
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

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Wed 9/24

8:10 am-8:00 pm

1 stop13h 50m

Seattle/Tacoma Intl

Tue 10/7

9:30 am-11:40 pm

1 stop12h 10m

$302

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 9/11

2:24 pm-10:15 pm

1 stop9h 51m

Seattle/Tacoma Intl

Tue 9/16

7:34 pm-12:02 pm

2 stops14h 28m

$307

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 10/20

4:10 pm-8:45 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Thu 10/30

5:25 am-3:16 pm

1 stop7h 51m

$312

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Thu 9/11

9:10 am-10:22 pm

2 stops15h 12m

Seattle/Tacoma Intl

Sat 9/20

11:40 pm-1:00 pm

1 stop11h 20m

$317

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 10/21

4:10 pm-8:43 pm

Nonstop6h 33m

Seattle/Tacoma Intl

Mon 10/27

9:13 am-5:05 pm

Nonstop5h 52m

$346

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 10/21

11:15 am-8:00 pm

1 stop10h 45m

Seattle/Tacoma Intl

Mon 10/27

9:13 am-5:05 pm

Nonstop5h 52m

$350

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 9/9

10:45 am-9:23 pm

2 stops12h 38m

Seattle/Tacoma Intl

Thu 9/18

5:24 pm-9:41 am

2 stops14h 17m

$369

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Sun 9/14

12:50 pm-11:59 pm

1 stop13h 09m

Seattle/Tacoma Intl

Thu 9/18

5:24 pm-9:41 am

2 stops14h 17m

$374

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 10/21

4:10 pm-8:43 pm

Nonstop6h 33m

Seattle/Tacoma Intl

Tue 10/28

5:25 am-3:16 pm

1 stop7h 51m

$382

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Tue 10/21

4:10 pm-8:43 pm

Nonstop6h 33m

Seattle/Tacoma Intl

Sun 11/2

7:40 pm-2:50 pm

2 stops16h 10m

$397

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 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 $343. If you don’t want to visit Seattle in August, then you should wait until June to fly from Cancún, when ticket prices are also cheap, with an average price of $377.

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 Sunday. momondo users have found tickets for Sunday departures for as low as $240. 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 $509.

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 $355 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $485. 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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Cancún when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Cancún for as low as $382 on momondo.

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?

You could potentially save up to 20% on your flight if you consider stops on a Cancún to Seattle flight.

How have Cancún to Seattle flight prices changed over time?

As of July 2025, prices for Cancún to Seattle flights are approximately 15% cheaper 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

$185

Fastest flight time

6h 24m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Cancún in the past 72 hours is $185. The best round-trip flight deal from Cancún to Seattle found on momondo in the last 72 hours is $302.
The fastest flight from Cancún to Seattle takes 6h 24m
Direct flights go from Cancún to Seattle every day.
There is 1 airport near Seattle: 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 24m.

  • 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 $342Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $454Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Delta Flights From Cancún to Seattle

    Delta flies from Cancún to Seattle around 6 times per week, with 7,981 momondo users rating the airline 8.0/10. The cheapest Delta deal from Cancún to Seattle in the last 72 hours was $342 (round-trip), much lower than the average airfare cost of $529 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
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Kent
Federal Way
Puyallup
Lynnwood
Marysville
Tukwila
Kirkland
Lakewood
Fife
Centralia
Cle Elum
Shoreline
Westport
Redmond

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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