$160+ Cheap flights from Seattle (SEA) to Cancún (CUN)
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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUN
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Cancún 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.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Cancun are usually found in January or May, booked 6 days in advance, depart on a Wednesday or Sunday and return on a Sunday
Cheap flight deals from Seattle to Cancún
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to CancúnExplore the most affordable flight options available from Seattle to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.
Explore the most affordable flight options available from Seattle to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.
This Trip.com deal was found by Cheapflights users on 10/3. 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.
Wed 12/27:05 pm -
1 stop18h 50m
Sun 12/69:30 pm -
1 stop26h 29m
Deal found 10/3![Air Canada logo]()
$438
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:05 pm -
1 stop18h 50m
Mon 12/76:35 pm -
1 stop26h 47m
Deal found 10/2![Air Canada logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:13 pm -
2 stops39h 22m
Thu 11/191:00 pm -
1 stop9h 08m
Deal found 10/1![Multiple Airlines logo]()
$460
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/283:15 pm -
1 stop12h 45m
Sat 12/59:30 pm -
1 stop26h 29m
Deal found 10/2![Air Canada logo]()
$461
This Justfly.com deal was found by Cheapflights users on 10/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 pm -
1 stop19h 05m
Fri 11/68:00 am -
1 stop16h 57m
Deal found 10/3![Air Canada logo]()
$463
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:10 am -
2 stops33h 35m
Mon 11/306:10 pm -
1 stop23h 27m
Deal found 10/2![Air Canada logo]()
$467
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:40 am -
2 stops35h 05m
Thu 11/266:55 pm -
2 stops26h 27m
Deal found 10/2![Air Canada logo]()
$470
This Justfly.com deal was found by Cheapflights users on 10/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:05 pm -
1 stop8h 55m
Sat 12/58:00 am -
1 stop15h 59m
Deal found 10/3![Air Canada logo]()
$471
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:15 pm -
2 stops29h 15m
Thu 11/266:55 pm -
2 stops22h 42m
Deal found 10/2![Air Canada logo]()
$475
This Trip.com deal was found by Cheapflights users on 10/3. 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.
Fri 10/307:05 pm -
1 stop19h 05m
Sun 11/17:00 am -
1 stop14h 22m
Deal found 10/3![Air Canada logo]()
$478
This Air Canada deal was found by Cheapflights users on 10/3. 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 10/297:45 am -
1 stop23h 55m
Tue 11/108:00 am -
2 stops28h 27m
Deal found 10/3![Air Canada logo]()
$479
This FlightHub deal was found by Cheapflights users on 10/1. 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.
Tue 11/109:07 pm -
1 stop15h 24m
Thu 11/191:00 pm -
1 stop9h 08m
Deal found 10/1![Volaris logo]()
$480
Best flights from Seattle to CancúnDiscover carefully curated flight deals from Seattle to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
Discover carefully curated flight deals from Seattle to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
This Delta deal was found by Cheapflights users on 9/30. 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.
Tue 1/57:15 am -
Nonstop5h 55m
Wed 1/135:20 pm -
Nonstop6h 45m
Deal found 9/30![Delta logo]()
$591
This Southwest deal was found by Cheapflights users on 10/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:40 am -
2 stops11h 05m
Tue 12/2211:35 am -
1 stop12h 35m
Deal found 10/3![Southwest logo]()
$677
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 11/135:05 am -
1 stop7h 55m
Mon 11/162:55 pm -
1 stop11h 12m
Deal found 10/1![United Airlines logo]()
$722
This Delta deal was found by Cheapflights users on 10/2. 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.
Mon 11/911:47 pm -
1 stop11h 18m
Fri 11/135:25 pm -
Nonstop6h 40m
Deal found 10/2![Delta logo]()
$596
This Delta deal was found by Cheapflights users on 10/2. 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.
Mon 1/411:05 pm -
1 stop12h 00m
Tue 1/125:20 pm -
Nonstop6h 45m
Deal found 10/2![Delta logo]()
$596
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:16 am -
Nonstop6h 04m
Fri 12/185:25 pm -
Nonstop6h 40m
Deal found 10/3![Delta logo]()
$631
This Delta deal was found by Cheapflights users on 9/30. 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.
Sat 10/315:30 am -
1 stop7h 35m
Mon 11/95:25 pm -
Nonstop6h 40m
Deal found 9/30![Delta logo]()
$676
This Delta deal was found by Cheapflights users on 10/2. 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 1/2110:00 pm -
1 stop12h 30m
Mon 1/255:20 pm -
Nonstop6h 45m
Deal found 10/2![Delta logo]()
$676
This Delta deal was found by Cheapflights users on 10/2. 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.
Tue 11/177:25 am -
Nonstop5h 55m
Sat 11/215:25 pm -
Nonstop6h 40m
Deal found 10/2![Delta logo]()
$751
This Delta deal was found by Cheapflights users on 10/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:16 am -
Nonstop6h 04m
Mon 12/75:25 pm -
Nonstop6h 40m
Deal found 10/3![Delta logo]()
$751
Last-minute flights from Seattle to CancúnDiscover last-minute flight deals from Seattle to Cancún. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Cancún. Data last updated October 4, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 10/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 pm -
1 stop19h 05m
Fri 11/68:00 am -
1 stop16h 57m
Deal found 10/3![Air Canada logo]()
$463
This Air Canada deal was found by Cheapflights users on 10/3. 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 10/297:45 am -
1 stop23h 55m
Tue 11/108:00 am -
2 stops28h 27m
Deal found 10/3![Air Canada logo]()
$479
This Trip.com deal was found by Cheapflights users on 10/3. 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.
Fri 10/307:05 pm -
1 stop19h 05m
Sun 11/17:00 am -
1 stop14h 22m
Deal found 10/3![Air Canada logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:14 pm -
2 stops54h 31m
Thu 11/121:00 pm -
1 stop9h 08m
Deal found 9/29![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:13 pm -
2 stops39h 22m
Thu 11/191:00 pm -
1 stop9h 08m
Deal found 10/1![Multiple Airlines logo]()
$460
This FlightHub deal was found by Cheapflights users on 10/1. 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.
Tue 11/109:07 pm -
1 stop15h 24m
Thu 11/191:00 pm -
1 stop9h 08m
Deal found 10/1![Volaris logo]()
$480
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:05 pm -
1 stop8h 55m
Mon 11/2311:35 am -
1 stop12h 24m
Deal found 10/2![Air Canada logo]()
$484
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:10 am -
2 stops33h 35m
Mon 11/306:10 pm -
1 stop23h 27m
Deal found 10/2![Air Canada logo]()
$467
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:40 am -
2 stops35h 05m
Thu 11/266:55 pm -
2 stops26h 27m
Deal found 10/2![Air Canada logo]()
$470
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:15 pm -
2 stops29h 15m
Thu 11/266:10 pm -
1 stop27h 12m
Deal found 10/2![Air Canada logo]()
$471
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/283:15 pm -
1 stop12h 45m
Sat 12/59:30 pm -
1 stop26h 29m
Deal found 10/2![Air Canada logo]()
$461
One-way flights from Seattle to CancúnSearch for one-way flight options from Seattle to Cancún. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way flight options from Seattle to Cancún. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:33 pm -
2 stops43h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:53 pm -
2 stops45h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$192
This Super.com deal was found by Cheapflights users on 10/1. 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.
Wed 1/279:07 pm -
1 stop11h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Volaris logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:09 am -
2 stops28h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/239:07 pm -
1 stop9h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Volaris logo]()
$200
This Super.com deal was found by Cheapflights users on 10/2. 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.
Sun 1/179:07 pm -
1 stop15h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Volaris logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:07 pm -
3 stops41h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$207
This Trip.com deal was found by Cheapflights users on 10/3. 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.
Wed 12/27:05 pm -
1 stop18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Air Canada logo]()
$211
This Super.com deal was found by Cheapflights users on 10/1. 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.
Fri 1/159:07 pm -
1 stop15h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Volaris logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:53 pm -
2 stops39h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$219
This Air Canada deal was found by Cheapflights users on 10/3. 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.
Wed 12/910:10 am -
1 stop27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Air Canada logo]()
$220
Find flight deals from Seattle to Cancún
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Cancún (CUN). 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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $435 (CheapOair) |
One-way from | $160 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $696 |
Good round-trip deal | $662 or less |
Good one-way deal | $353 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Cancún 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 October 4, 2026.
Use the filters below to find and compare flights from Seattle to Cancún that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sun 11/15
6:15 am-4:35 pm
1 stop7h 20m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$281
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Wed 12/30
7:16 am-4:20 pm
Nonstop6h 04m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$289
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sat 11/28
9:20 pm-6:14 pm
1 stop17h 54m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$294
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Wed 3/31
10:10 pm-12:04 pm
1 stop11h 54m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$319
Quickest round-trip
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Thu 12/31
7:00 am-3:49 pm
Nonstop5h 49m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Wed 12/9
7:16 am-4:20 pm
Nonstop6h 04m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Fri 12/11
7:16 am-4:20 pm
Nonstop6h 04m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Thu 12/3
7:16 am-4:20 pm
Nonstop6h 04m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sun 1/3
2:41 pm-3:37 pm
2 stops21h 56m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$349
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Tue 1/5
7:15 am-4:10 pm
Nonstop5h 55m
Cancun
Wed 1/13
5:20 pm-9:05 pm
Nonstop6h 45m
$591
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Seattle to Cancún
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 Seattle to Cancún in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Cancún flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Cancún flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Cancún flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Cancún 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 Seattle-Cancún 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 Seattle to Cancún
Have a flexible travel schedule? Discover the best time to fly to Cancún from Seattle with our price prediction graph.
SEA-CUN
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 Seattle to Cancún
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How far ahead should I book a flight from Seattle to Cancún?
Booking 5 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Seattle to Cancún?
Currently, January is the cheapest month in which you can book a flight from Seattle to Cancún (average of $534). Flying from Seattle to Cancún in December is currently the most expensive (average of $742). 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 Seattle to Cancún?
Airfare is below average for this route at the moment.
Seattle to Cancún flights typically cost between $505 and $798 in March.The cheapest round-trip price found within the last 5 days was $435 on Volaris (Mar 5-Mar 9).
What’s the top layover airport for flights from Seattle to Cancún?
Share of 1-stop round-trip flights from Seattle to Cancún chosen by Cheapflights users in the past 12 months, using the same layover each way.
Vancouver (YVR) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to Cancún on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Cancún?
Average round-trip fare for 1-stop flights from Seattle to Cancún, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Vancouver (YVR) is the most affordable 1-stop option, with an average round-trip price of $456.
What’s the fastest layover option from Seattle to Cancún?
Shortest average travel time for 1-stop one-way flights from Seattle to Cancún, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 40m.
Which airport typically offers the quickest layover for flights from Seattle to Cancún?
Average layover duration for 1-stop one-way flights from Seattle to Cancún, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 11m.
The best insider tips for Seattle to Cancún 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 Seattle to Cancún trip
Our travel experts
Reviews of airlines servicing Cancún
Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated October 4, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andAeromexico from Seattle to Cancún. 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.
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Related info for your journey
Find useful and relevant information for your journey from Seattle to Cancún. 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 Cancún?
Book flights to Cancún if you plan to visit one of these locationsPuerto Aventuras
Punta Sam
Holbox
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Seattle and Cancún flights
Browse other Seattle and Cancún flight options. Last updated on October 4, 2026.
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Top 10 airlines flying from Seattle to Cancún
Discover the top 10 airlines that operate flights from Seattle to Cancún. 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 October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$430 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$463 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$229 | Average$601 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$689 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$255 | Average$595 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$323 | Average$656 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$343 | Average$599 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$462 | Average$798 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$467 | Average$768 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$516 | Average$695 | FlexibilityNo cancel fee | On-time62% |