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Cheap flights from Cancún to Seattle from $145

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 10/31. 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 Cancún to Seattle

Cheap round-trip flights

Delta Logo
4:10 pm - 8:45 pmCUN-SEA
6h 35mnonstop
Delta Logo
7:24 am - 3:10 pmSEA-CUN
5h 46mnonstop
$322Delta
Find Deal
vie., oct. 24 - lun., oct. 27
Alaska Airlines Logo
4:10 pm - 8:43 pmCUN-SEA
6h 33mnonstop
Alaska Airlines Logo
8:12 am - 4:20 pmSEA-CUN
6h 08mnonstop
$325Alaska Airlines
Find Deal
mar., oct. 7 - dom., oct. 19
United Airlines Logo
7:51 am - 7:11 pmCUN-SEA
13h 20m1 stop
United Airlines Logo
4:35 pm - 12:02 pmSEA-CUN
17h 27m1 stop
$330United Airlines
Find Deal
mié., oct. 8 - vie., oct. 24
Alaska Airlines Logo
4:10 pm - 8:43 pmCUN-SEA
6h 33mnonstop
Alaska Airlines Logo
8:12 am - 4:20 pmSEA-CUN
6h 08mnonstop
$346Alaska Airlines
Find Deal
dom., oct. 5 - lun., oct. 20
Delta Logo
8:10 am - 8:45 pmCUN-SEA
14h 35m2 stops
Delta Logo
5:25 am - 3:16 pmSEA-CUN
7h 51m1 stop
$349Delta
Find Deal
mar., oct. 7 - mar., oct. 21
American Airlines Logo
1:20 pm - 12:27 amCUN-SEA
13h 07m1 stop
American Airlines Logo
5:22 am - 5:05 pmSEA-CUN
9h 43m1 stop
$350American Airlines
Find Deal
mié., oct. 22 - vie., oct. 31
United Airlines Logo
1:43 pm - 11:15 pmCUN-SEA
11h 32m1 stop
United Airlines Logo
8:42 am - 10:04 amSEA-CUN
23h 22m2 stops
$351United Airlines
Find Deal
mié., oct. 8 - dom., oct. 19
Hawaiian Airlines Logo
4:10 pm - 8:43 pmCUN-SEA
6h 33mnonstop
Hawaiian Airlines Logo
8:12 am - 4:20 pmSEA-CUN
6h 08mnonstop
$362Hawaiian Airlines
Find Deal
mar., oct. 7 - mar., oct. 21
Hawaiian Airlines Logo
4:10 pm - 8:43 pmCUN-SEA
6h 33mnonstop
Hawaiian Airlines Logo
8:12 am - 4:20 pmSEA-CUN
6h 08mnonstop
$398Hawaiian Airlines
Find Deal
sáb., oct. 4 - mar., oct. 21
American Airlines Logo
9:00 am - 6:11 pmCUN-SEA
12h 11m1 stop
American Airlines Logo
8:15 am - 8:45 pmSEA-CUN
9h 30m1 stop
$407American Airlines
Find Deal
mar., dic. 2 - jue., dic. 11

Alaska Airlines flights from Cancún to Seattle

Our best Alaska Airlines deals on Cancún to Seattle flight tickets
Alaska Airlines
Oct 7
CUN4:10 pmCancun
6h 33m
SEA8:43 pmSeattle/Tacoma Intl
Oct 19
SEA8:12 amSeattle/Tacoma Intl
6h 08m
CUN4:20 pmCancun
$325
Find similar
Alaska Airlines
Oct 5
CUN4:10 pmCancun
6h 33m
SEA8:43 pmSeattle/Tacoma Intl
Oct 20
SEA8:12 amSeattle/Tacoma Intl
6h 08m
CUN4:20 pmCancun
$346
Find similar
Alaska Airlines
Oct 6
CUN4:10 pmCancun
6h 33m
SEA8:43 pmSeattle/Tacoma Intl
Oct 18
SEA8:12 amSeattle/Tacoma Intl
6h 08m
CUN4:20 pmCancun
$366
Find similar

Delta flights from Cancún to Seattle

Our best Delta deals on Cancún to Seattle flight tickets
Delta
Oct 24
CUN4:10 pmCancun
6h 35m
SEA8:45 pmSeattle/Tacoma Intl
Oct 27
SEA7:24 amSeattle/Tacoma Intl
5h 46m
CUN3:10 pmCancun
$322
Find similar
Delta
Oct 7
CUN8:10 amCancun
14h 35m
2 stops
SEA8:45 pmSeattle/Tacoma Intl
Oct 21
SEA5:25 amSeattle/Tacoma Intl
7h 51m
1 stop
CUN3:16 pmCancun
$349
Find similar
Delta
Dec 18
CUN5:15 pmCancun
6h 45m
SEA9:00 pmSeattle/Tacoma Intl
Dec 29
SEA12:59 amSeattle/Tacoma Intl
11h 21m
1 stop
CUN3:20 pmCancun
$364
Find similar

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 septiembre 17, 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

vie. 10/24

4:10 pm-8:45 pm

Nonstop6h 35m

Seattle/Tacoma Intl

lun. 10/27

7:24 am-3:10 pm

Nonstop5h 46m

$322

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

mar. 10/7

4:10 pm-8:43 pm

Nonstop6h 33m

Seattle/Tacoma Intl

dom. 10/19

8:12 am-4:20 pm

Nonstop6h 08m

$325

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

mié. 10/8

7:51 am-7:11 pm

1 stop13h 20m

Seattle/Tacoma Intl

vie. 10/24

4:35 pm-12:02 pm

1 stop17h 27m

$330

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

dom. 10/5

4:10 pm-8:43 pm

Nonstop6h 33m

Seattle/Tacoma Intl

lun. 10/20

8:12 am-4:20 pm

Nonstop6h 08m

$346

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

mar. 10/7

8:10 am-8:45 pm

2 stops14h 35m

Seattle/Tacoma Intl

mar. 10/21

5:25 am-3:16 pm

1 stop7h 51m

$349

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

mié. 10/22

1:20 pm-12:27 am

1 stop13h 07m

Seattle/Tacoma Intl

vie. 10/31

5:22 am-5:05 pm

1 stop9h 43m

$350

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

mié. 10/8

1:43 pm-11:15 pm

1 stop11h 32m

Seattle/Tacoma Intl

dom. 10/19

8:42 am-10:04 am

2 stops23h 22m

$351

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

mar. 10/7

4:10 pm-8:43 pm

Nonstop6h 33m

Seattle/Tacoma Intl

mar. 10/21

8:12 am-4:20 pm

Nonstop6h 08m

$362

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

sáb. 10/4

4:10 pm-8:43 pm

Nonstop6h 33m

Seattle/Tacoma Intl

mar. 10/21

8:12 am-4:20 pm

Nonstop6h 08m

$398

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

mar. 12/2

9:00 am-6:11 pm

1 stop12h 11m

Seattle/Tacoma Intl

jue. 12/11

8:15 am-8:45 pm

1 stop9h 30m

$407

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 $355. 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 $185. 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 $345 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 $481 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 $388 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?

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 September 2025, prices for Cancún to Seattle flights are approximately 39% 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

$268

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 $268. The best round-trip flight deal from Cancún to Seattle found on momondo in the last 72 hours is $246.
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 33m.

  • 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
7.9
7,961 reviews
Search Delta flights

Traveling to a place near Seattle?

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

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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