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Cheap flights from Cancún to Seattle from C$ 342

CUN — SEA
28 Oct — 4 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cancún to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Cancún to Seattle

Thu 12/115:25 p.m. -
Nonstop6h 40m
Tue 17/117:25 a.m. -
Nonstop5h 55m
Deal found 25/9C$ 766
Tue 24/115:25 p.m. -
Nonstop6h 40m
Sun 29/117:25 a.m. -
Nonstop5h 55m
Deal found 24/9C$ 771
Tue 10/115:25 p.m. -
Nonstop6h 40m
Tue 17/117:25 a.m. -
Nonstop5h 55m
Deal found 26/9C$ 772
Thu 5/118:39 a.m. -
2 stops16h 11m
Tue 10/115:05 a.m. -
1 stop7h 40m
Deal found 25/9C$ 775
Wed 4/118:39 a.m. -
2 stops12h 54m
Tue 10/115:05 a.m. -
1 stop7h 55m
Deal found 26/9C$ 781
Sat 21/115:25 p.m. -
Nonstop6h 40m
Sat 28/119:20 p.m. -
1 stop17h 54m
Deal found 25/9C$ 830
Mon 9/115:25 p.m. -
Nonstop6h 40m
Mon 16/117:25 a.m. -
Nonstop5h 55m
Deal found 27/9C$ 833
Wed 4/117:00 p.m. -
1 stop17h 19m
Tue 10/117:25 a.m. -
Nonstop5h 55m
Deal found 26/9C$ 839
Thu 5/112:45 p.m. -
2 stops13h 35m
Tue 10/115:40 a.m. -
2 stops11h 05m
Deal found 25/9C$ 847
Thu 3/128:39 a.m. -
2 stops15h 42m
Sun 6/127:30 p.m. -
2 stops12h 55m
Deal found 24/9C$ 872
Tue 22/125:14 p.m. -
1 stop10h 01m
Tue 29/127:16 a.m. -
Nonstop6h 04m
Deal found 23/9C$ 877

Find flight deals from Cancún to Seattle

Round-trip from

C$ 766

One-way from

C$ 342

Popular in

August

Cheapest in

November

Average price

C$ 700
Delta
  • Delta
  • 3/12-8/12
  • Nonstop
  • 12h 44m total
  • Cancún to Seattle
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Volaris
  • Volaris
  • 14/12-31/12
  • 1 total stop
  • 11h 48m total
  • Cancún to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 159 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 39 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Mon 14/12

10:20 a.m.-7:08 p.m.

1 stop11h 48m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 342

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Fri 20/11

5:10 p.m.-8:59 p.m.

Nonstop6h 49m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 438

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Thu 7/1

9:40 a.m.-9:30 p.m.

2 stops14h 50m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 440

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Wed 23/12

6:16 p.m.-12:26 p.m.

2 stops21h 10m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 451

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Sat 10/10

10:40 a.m.-7:59 p.m.

1 stop11h 19m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 468
Quickest round-trip

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Mon 14/12

5:25 p.m.-9:05 p.m.

Nonstop6h 40m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 494

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Fri 26/3

8:38 a.m.-8:55 p.m.

1 stop14h 17m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 526

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Thu 25/3

4:25 p.m.-9:10 p.m.

Nonstop6h 45m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 527

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Tue 23/3

11:28 a.m.-11:21 p.m.

2 stops13h 53m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 536

CancúnSeattle

CUN Cancun - SEA Seattle/Tacoma Intl

CUNSEA

Cancun

Thu 12/11

5:25 p.m.-9:05 p.m.

Nonstop6h 40m

Seattle/Tacoma Intl

Tue 17/11

6:00 a.m.-8:55 p.m.

1 stop11h 55m

C$ 766

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/9

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from Cancún to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cancún with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Cancún to Seattle

What is the cheapest month to book a flight from Cancún to Seattle?

Currently, November is the cheapest month in which you can book a flight from Cancún to Seattle (average of C$ 469). Flying from Cancún to Seattle in August is currently the most expensive (average of C$ 1,041). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Cancún to Seattle?

Airfare is above average for this route at the moment.

Cancún to Seattle flights typically cost between C$ 520 and C$ 728 in November.
The cheapest round-trip price found within the last 5 days was C$ 766 on Delta (12 Nov-17 Nov).

Related info for your journey

  • How popular is this Cancún to Seattle flight route?

    Within the past month, 1 users have taken a look at flights from Cancun to Seattle/Tacoma Intl.

  • How long is the flight from Cancún to Seattle?

    There are many flights that can get you from Cancún to Seattle in 6h 40m. Fly via Delta or United Airlines to get the fastest option. There are 4318 km between Cancún and Seattle. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Cancún to Seattle that include hotel bookings?

    Yes. In addition to deals on Cancún to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cancún to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to Seattle.

  • Can I find deals for business class flights from Cancún to Seattle?

    Yes. Cheapflights offers flight deals from Cancún to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cancún to Seattle?

    Currently, November is the cheapest month in which you can book a flight from Cancún to Seattle (average of C$ 469). Flying from Cancún to Seattle in August is currently the most expensive (average of C$ 1,041). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Mukilteo
Renton
Cashmere
Lynnwood
Ellensburg
Leavenworth
Tukwila
Tacoma
Marysville
Federal Way
Kirkland

Browse thousands of different options on Cheapflights for your next trip

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