This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
9 Dec — 16 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from Cancún to Seattle
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Cancún to Seattle
Explore the most affordable flight options available from Cancún to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.
Fri 25/128:39 a.m. -
2 stops15h 46m
Wed 30/1211:44 p.m. -
1 stop11h 15m
Deal found 6/11C$ 751
Tue 22/125:14 p.m. -
1 stop9h 56m
Tue 29/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 752
Wed 23/128:39 a.m. -
2 stops16h 53m
Wed 30/125:00 a.m. -
1 stop10h 55m
Deal found 8/11C$ 756
Fri 18/125:25 p.m. -
Nonstop6h 40m
Fri 25/125:30 a.m. -
1 stop7h 44m
Deal found 7/11C$ 804
Wed 23/127:00 a.m. -
1 stop17h 59m
Thu 7/15:00 a.m. -
1 stop9h 08m
Deal found 8/11C$ 816
Thu 3/125:25 p.m. -
Nonstop6h 40m
Tue 8/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 825
Thu 3/125:10 p.m. -
Nonstop6h 47m
Sun 6/127:03 a.m. -
Nonstop5h 57m
Deal found 4/11C$ 832
Thu 3/128:39 a.m. -
2 stops12h 49m
Sun 6/1211:59 p.m. -
1 stop8h 21m
Deal found 6/11C$ 834
Tue 1/125:25 p.m. -
Nonstop6h 40m
Tue 8/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 885
Best flights from Cancún to Seattle
Discover carefully curated flight deals from Cancún to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.
Fri 25/128:20 a.m. -
1 stop10h 28m
Wed 30/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 751
Wed 23/128:39 a.m. -
2 stops16h 53m
Wed 30/125:00 a.m. -
1 stop10h 55m
Deal found 8/11C$ 756
Thu 3/125:10 p.m. -
Nonstop6h 47m
Sun 6/127:03 a.m. -
Nonstop5h 57m
Deal found 4/11C$ 832
Wed 23/125:14 p.m. -
1 stop9h 56m
Wed 30/127:16 a.m. -
Nonstop6h 04m
Deal found 8/11C$ 756
Tue 8/128:39 a.m. -
2 stops15h 08m
Wed 9/1211:59 p.m. -
1 stop12h 25m
Deal found 9/11C$ 756
Fri 18/125:25 p.m. -
Nonstop6h 40m
Fri 25/125:30 a.m. -
1 stop7h 44m
Deal found 7/11C$ 804
Tue 22/125:20 p.m. -
Nonstop6h 40m
Tue 29/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 886
Direct flights from Cancún to Seattle
Explore direct flight options from Cancún to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 November 2026.
Thu 3/125:25 p.m. -
Nonstop6h 40m
Tue 8/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 825
Thu 3/125:10 p.m. -
Nonstop6h 47m
Sun 6/127:03 a.m. -
Nonstop5h 57m
Deal found 4/11C$ 832
Tue 1/125:25 p.m. -
Nonstop6h 40m
Tue 8/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 885
Tue 22/125:20 p.m. -
Nonstop6h 40m
Tue 29/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 886
Fri 18/125:25 p.m. -
Nonstop6h 40m
Fri 25/127:16 a.m. -
Nonstop6h 04m
Deal found 7/11C$ 887
Fri 4/125:25 p.m. -
Nonstop6h 40m
Tue 8/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 911
Tue 1/125:25 p.m. -
Nonstop6h 40m
Sat 5/127:16 a.m. -
Nonstop6h 04m
Deal found 9/11C$ 916
Fri 25/125:20 p.m. -
Nonstop6h 40m
Wed 30/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 940
Tue 1/125:25 p.m. -
Nonstop6h 40m
Fri 4/127:16 a.m. -
Nonstop6h 04m
Deal found 8/11C$ 975
Sat 12/125:25 p.m. -
Nonstop6h 40m
Wed 23/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 983
Last-minute flights from Cancún to Seattle
Discover last-minute flight deals from Cancún to Seattle. Data last updated 9 November 2026 and is based on user searches.
Tue 1/125:25 p.m. -
Nonstop6h 40m
Tue 8/126:00 a.m. -
1 stop12h 08m
Deal found 6/11C$ 885
Thu 3/125:25 p.m. -
Nonstop6h 40m
Tue 8/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 825
Thu 3/125:10 p.m. -
Nonstop6h 47m
Sun 6/127:03 a.m. -
Nonstop5h 57m
Deal found 4/11C$ 832
Thu 3/128:39 a.m. -
2 stops12h 49m
Sun 6/1211:59 p.m. -
1 stop8h 21m
Deal found 6/11C$ 834
Fri 18/125:25 p.m. -
Nonstop6h 40m
Fri 25/125:30 a.m. -
1 stop7h 44m
Deal found 7/11C$ 804
Tue 22/125:14 p.m. -
1 stop9h 56m
Tue 29/127:16 a.m. -
Nonstop6h 04m
Deal found 6/11C$ 752
Wed 23/128:39 a.m. -
2 stops16h 53m
Wed 30/125:00 a.m. -
1 stop10h 55m
Deal found 8/11C$ 756
Wed 23/127:00 a.m. -
1 stop17h 59m
Thu 7/15:00 a.m. -
1 stop9h 08m
Deal found 8/11C$ 816
Fri 25/124:34 p.m. -
1 stop9h 42m
Wed 30/125:35 p.m. -
1 stop10h 38m
Deal found 6/11C$ 751
One-way flights from Cancún to Seattle
Search for one-way flight options from Cancún to Seattle. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.
Sun 31/110:20 a.m. -
1 stop11h 48m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 420
Fri 8/15:10 p.m. -
Nonstop6h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 422
Fri 22/15:30 p.m. -
Nonstop6h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 9/11C$ 423
Tue 12/18:39 a.m. -
1 stop17h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/11C$ 428
Thu 18/26:16 p.m. -
2 stops25h 02m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/11C$ 429
Thu 21/18:39 a.m. -
2 stops19h 17m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/11C$ 432
Tue 22/128:39 a.m. -
2 stops15h 46m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/11C$ 437
Sun 2/51:00 p.m. -
1 stop9h 08m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 4/11C$ 452
Mon 14/125:25 p.m. -
Nonstop6h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/11C$ 480
Mon 14/125:10 p.m. -
Nonstop6h 47m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/11C$ 481
Mon 22/26:16 p.m. -
3 stops29h 11m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/11C$ 488
Find flight deals from Cancún to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 November 2026.
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, Cheapflights users made 7,457,451 searches. Data last updated 9 November 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 Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Thu 18/2
1:35 p.m.-9:47 a.m.
1 stop23h 12m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 429
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Tue 22/12
7:00 a.m.-9:59 p.m.
1 stop17h 59m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 429
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Sun 2/5
1:00 p.m.-8:08 p.m.
1 stop9h 08m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 452
Quickest round-trip
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Wed 6/1
5:30 p.m.-9:13 p.m.
Nonstop6h 43m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 480
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Mon 14/12
5:10 p.m.-8:57 p.m.
Nonstop6h 47m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 481
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Sat 9/1
8:39 a.m.-9:59 p.m.
2 stops16h 20m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 502
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Sun 2/5
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$ 508
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Mon 14/12
8:39 a.m.-11:44 p.m.
3 stops18h 05m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 512
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Fri 25/12
8:20 a.m.-3:48 p.m.
1 stop10h 28m
Seattle/Tacoma Intl
Wed 30/12
7:16 a.m.-4:20 p.m.
Nonstop6h 04m
C$ 751
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Wed 23/12
8:39 a.m.-10:32 p.m.
2 stops16h 53m
Seattle/Tacoma Intl
Wed 30/12
5:00 a.m.-6:55 p.m.
1 stop10h 55m
C$ 756
Flights are sorted by cheapest round-trip flights first.
Deals found on 7/11
Showing 1-10 of 15 resultsSorted by cheapest first
1
2
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.
CUN-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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, April is the cheapest month in which you can book a flight from Cancún to Seattle (average of C$ 504). Flying from Cancún to Seattle in August is currently the most expensive (average of C$ 1,038). 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$ 468 and C$ 748 in December.The cheapest round-trip price found within the last 5 days was C$ 751 on United Airlines (25 Dec-30 Dec).
Related info for your journey
Find useful and relevant information for your journey from Cancún to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 10h 28m. 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, April is the cheapest month in which you can book a flight from Cancún to Seattle (average of C$ 504). Flying from Cancún to Seattle in August is currently the most expensive (average of C$ 1,038). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Cancún to Seattle?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Cancún today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Cancún to Seattle?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cancún to Seattle for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Cancún to Seattle with no change fees?
Yes! Cheapflights helps users easily find flights from Cancún to Seattle with no change fees.
Can Cheapflights notify me if prices for flights from Cancún to Seattle become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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