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Cheap flights from Cancún to Seattle from $238

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to Seattle departing on 5/11. 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

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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
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Frontier Logo
6:57 pm - 2:39 pm
SEA
-
CUN
17h 42m
1 stop
$238Frontier
Mon, May 11 - Fri, May 15
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Frontier Logo
4:20 pm - 2:39 pm
SEA
-
CUN
20h 19m
1 stop
$291Frontier
Fri, May 8 - Mon, May 18
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Frontier Logo
9:35 pm - 2:39 pm
SEA
-
CUN
39h 04m
2 stops
$296Frontier
Mon, May 11 - Fri, May 15
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Frontier Logo
6:57 pm - 2:39 pm
SEA
-
CUN
17h 42m
1 stop
$298Frontier
Fri, May 1 - Mon, May 11
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Frontier Logo
6:57 pm - 2:39 pm
SEA
-
CUN
17h 42m
1 stop
$300Frontier
Fri, May 1 - Mon, May 11
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Frontier Logo
6:57 pm - 2:39 pm
SEA
-
CUN
17h 42m
1 stop
$303Frontier
Fri, May 1 - Mon, May 11
Frontier Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Frontier Logo
5:56 pm - 2:39 pm
SEA
-
CUN
18h 43m
2 stops
$351Frontier
Fri, May 1 - Mon, May 11
Multiple Airlines Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Multiple Airlines Logo
8:30 am - 3:28 pm
SEA
-
CUN
28h 58m
3 stops
$359Multiple Airlines
Fri, May 8 - Mon, May 18
Multiple Airlines Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Multiple Airlines Logo
9:00 am - 12:08 pm
SEA
-
CUN
25h 08m
2 stops
$360Multiple Airlines
Fri, May 1 - Mon, May 11
Multiple Airlines Logo
3:54 pm - 9:27 am
CUN
-
SEA
19h 33m
1 stop
Multiple Airlines Logo
8:30 am - 3:28 pm
SEA
-
CUN
28h 58m
3 stops
$362Multiple Airlines
Fri, May 8 - Mon, May 18

Frontier flights from Cancún to Seattle

Our best Frontier deals on Cancún to Seattle flight tickets
Frontier
May 11
CUN3:54 pmCancun
19h 33m
1 stop
SEA9:27 amSeattle/Tacoma Intl
May 15
SEA6:57 pmSeattle/Tacoma Intl
17h 42m
1 stop
CUN2:39 pmCancun
$238
Frontier
May 8
CUN3:54 pmCancun
19h 33m
1 stop
SEA9:27 amSeattle/Tacoma Intl
May 18
SEA4:20 pmSeattle/Tacoma Intl
20h 19m
1 stop
CUN2:39 pmCancun
$291
Frontier
May 11
CUN3:54 pmCancun
19h 33m
1 stop
SEA9:27 amSeattle/Tacoma Intl
May 15
SEA9:35 pmSeattle/Tacoma Intl
39h 04m
2 stops
CUN2:39 pmCancun
$296

Aeromexico flights from Cancún to Seattle

Our best Aeromexico deals on Cancún to Seattle flight tickets
Aeromexico
Mar 24
CUN6:01 amCancun
17h 47m
2 stops
SEA9:48 pmSeattle/Tacoma Intl
Mar 31
SEA7:15 amSeattle/Tacoma Intl
15h 10m
2 stops
CUN12:25 amCancun
$493
Aeromexico
Mar 23
CUN8:40 amCancun
16h 43m
2 stops
SEA11:23 pmSeattle/Tacoma Intl
Mar 30
SEA11:59 pmSeattle/Tacoma Intl
17h 36m
2 stops
CUN7:35 pmCancun
$506
Aeromexico
May 4
CUN4:17 pmCancun
6h 44m
SEA9:01 pmSeattle/Tacoma Intl
May 4
SEA11:15 pmSeattle/Tacoma Intl
18h 59m
1 stop
CUN8:14 pmCancun
$509

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 February 8, 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

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 5/11

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Fri 5/15

6:57 pm-2:39 pm

1 stop17h 42m

$238

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/8

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/18

4:20 pm-2:39 pm

1 stop20h 19m

$291

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Mon 5/11

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Fri 5/15

9:35 pm-2:39 pm

2 stops39h 04m

$296

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/1

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/11

6:57 pm-2:39 pm

1 stop17h 42m

$298

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/1

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/11

6:57 pm-2:39 pm

1 stop17h 42m

$300

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/1

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/11

6:57 pm-2:39 pm

1 stop17h 42m

$303

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/1

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/11

5:56 pm-2:39 pm

2 stops18h 43m

$351

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/8

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/18

8:30 am-3:28 pm

3 stops28h 58m

$359

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/1

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/11

9:00 am-12:08 pm

2 stops25h 08m

$360

CancúnSeattle

CUN - SEA

CUNSEA

Cancun

Fri 5/8

3:54 pm-9:27 am

1 stop19h 33m

Seattle/Tacoma Intl

Mon 5/18

8:30 am-3:28 pm

3 stops28h 58m

$362

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, November 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 $356. If you don’t want to visit Seattle in November, then you should wait until August to fly from Cancún, when ticket prices are also cheap, with an average price of $358.

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 Friday. momondo users have found tickets for Friday departures for as low as $314. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday 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 $433.

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 $333 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $404. 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?

You could potentially save up to 12% 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 February 2026, prices for Cancún to Seattle flights are approximately 9% 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

$321

Fastest flight time

6h 38m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Cancún in the past 72 hours is $321. The best round-trip flight deal from Cancún to Seattle found on momondo in the last 72 hours is $322.
The fastest flight from Cancún to Seattle takes 6h 38m
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 38m.

  • 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
8,173 reviews
Search Delta flights

  • Delta Flights From Cancún to Seattle

    Delta flies from Cancún to Seattle around 6 times per week, with 8,173 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 $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
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
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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