$192+ Cheap flights from Cancún (CUN) to Seattle (SEA)
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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Cancún to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Cancún to Seattle
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Cheapest flights from Cancún to SeattleExplore 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 September 7, 2026.
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 September 7, 2026.
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:00 am -
2 stops14h 47m
Mon 10/267:05 pm -
1 stop19h 05m
Deal found 9/3![Air Canada logo]()
$343
This Air Canada deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:20 pm -
2 stops22h 45m
Tue 10/2710:10 am -
1 stop28h 00m
Deal found 9/5![Air Canada logo]()
$345
This Mytrip deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop18h 45m
Sat 10/247:15 pm -
1 stop18h 55m
Deal found 9/4![Air Canada logo]()
$357
This Trip.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:20 pm -
1 stop18h 45m
Wed 10/287:05 pm -
1 stop19h 05m
Deal found 9/4![Air Canada logo]()
$367
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 pm -
1 stop23h 02m
Sun 12/67:05 pm -
1 stop18h 50m
Deal found 9/3![Air Canada logo]()
$374
Best flights from Cancún to SeattleDiscover 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 September 7, 2026.
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 September 7, 2026.
This Aeromexico deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:30 pm -
Nonstop6h 50m
Sun 12/67:25 am -
Nonstop6h 04m
Deal found 9/6![Aeromexico logo]()
$555
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:39 am -
2 stops12h 30m
Sun 12/611:59 pm -
1 stop12h 38m
Deal found 9/3![United Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:00 am -
1 stop14h 04m
Tue 11/107:25 am -
Nonstop5h 55m
Deal found 9/6![Delta logo]()
$561
This Volaris deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:40 am -
1 stop11h 19m
Fri 10/2311:00 pm -
1 stop14h 28m
Deal found 9/4![Volaris logo]()
$566
This Air Canada deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:05 pm -
2 stops23h 27m
Tue 10/67:55 am -
1 stop10h 15m
Deal found 9/4![Air Canada logo]()
$581
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:50 pm -
2 stops12h 10m
Tue 11/106:10 am -
2 stops10h 35m
Deal found 9/6![Southwest logo]()
$583
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:00 am -
1 stop13h 55m
Fri 10/2311:59 pm -
1 stop11h 16m
Deal found 9/2![Delta logo]()
$595
Last-minute flights from Cancún to SeattleDiscover last-minute flight deals from Cancún to Seattle. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to Seattle. Data last updated September 7, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop18h 45m
Sat 10/247:15 pm -
1 stop18h 55m
Deal found 9/4![Air Canada logo]()
$357
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:00 am -
2 stops14h 47m
Mon 10/267:05 pm -
1 stop19h 05m
Deal found 9/3![Air Canada logo]()
$343
This Air Canada deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:20 pm -
2 stops22h 45m
Tue 10/2710:10 am -
1 stop28h 00m
Deal found 9/5![Air Canada logo]()
$345
This Trip.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:20 pm -
1 stop18h 45m
Wed 10/287:05 pm -
1 stop19h 05m
Deal found 9/4![Air Canada logo]()
$367
One-way flights from Cancún to SeattleSearch for one-way flight options from Cancún to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Cancún to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:20 pm -
1 stop23h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$192
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:10 pm -
1 stop30h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Canada logo]()
$193
This FlightHub deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/31:00 pm -
1 stop9h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Volaris logo]()
$195
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/110:20 am -
1 stop11h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Volaris logo]()
$198
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:05 pm -
1 stop25h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$201
This Jetabroad deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/210:20 am -
1 stop11h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Volaris logo]()
$210
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop31h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$211
This Super.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:20 am -
1 stop11h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Volaris logo]()
$215
This Trip.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:05 pm -
1 stop25h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Air Canada logo]()
$218
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Air Canada) |
One-way from | $192 (Trip.com) |
Popular in | August |
Cheapest in | November |
Average price | $515 |
Good one-way deal | $310 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 7, 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
Cheapest round-trip
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Fri 10/30
7:00 am-9:57 pm
1 stop16h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$217
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Fri 10/30
12:49 pm-7:59 pm
1 stop9h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$254
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Wed 2/17
9:40 am-5:05 pm
2 stops10h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$303
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Tue 3/2
4:59 pm-8:44 pm
Nonstop6h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$311
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Wed 3/3
5:20 pm-9:05 pm
Nonstop6h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$311
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Thu 3/4
7:00 am-7:55 pm
1 stop15h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$311
Quickest round-trip
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Wed 11/25
5:30 pm-9:12 pm
Nonstop6h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$312
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Tue 11/10
5:30 pm-9:12 pm
Nonstop6h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$313
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Sat 3/6
11:40 am-9:50 pm
1 stop13h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$315
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Fri 3/5
7:00 am-10:20 pm
2 stops18h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$317
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Cancún to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cancún to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Cancún-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cancún-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cancún-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cancún-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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, November is the cheapest month in which you can book a flight from Cancún to Seattle (average of $332). Flying from Cancún to Seattle in August is currently the most expensive (average of $736). 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 below average for this route at the moment.
Cancún to Seattle flights typically cost between $441 and $601 in October.The cheapest round-trip price found within the last 5 days was $343 on Air Canada (Oct 19-Oct 26).
The best insider tips for Cancún to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Cancún to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 7, 2026.
Read reviews from past customers who have flown Delta from Cancún to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
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Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
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Cancún and Seattle flights
Browse other Cancún and Seattle flight options. Last updated on September 7, 2026.
Other flights from Cancún
Browse through other flights departing from Cancún. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Top airline flying from Cancún to Seattle
Discover the top airline that operate flights from Cancún to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$332 | Average$595 | FlexibilityNo cancel fee | On-timeN/A |