$169 Cheap Flights from Seattle (SEA) to Cancun (CUN)

View $169 flight on Wed, May 27, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Cancun Intl. Airport (CUN)

Cheap Flights from Seattle to Cancun (SEA-CUN)

Prices were available within the past 7 days and start at $169 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 6 - Thu, May 7
SEA
Seattle
CUN
Cancun
$337 Roundtrip, found 4 hours ago
$337
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, May 6 from Seattle to Cancun, returning Thu, May 7, priced at $337 found 4 hours ago
Frontier Airlines
Thu, May 7 - Sat, May 16
SEA
Seattle
CUN
Cancun
$343 Roundtrip, found 12 hours ago
$343
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Thu, May 7 from Seattle to Cancun, returning Sat, May 16, priced at $343 found 12 hours ago
Frontier Airlines
Mon, Apr 13 - Wed, Apr 15
SEA
Seattle
CUN
Cancun
$348 Roundtrip, found 2 hours ago
$348
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Seattle to Cancun, returning Wed, Apr 15, priced at $348 found 2 hours ago
Frontier Airlines
Fri, May 8 - Sun, May 10
SEA
Seattle
CUN
Cancun
$358 Roundtrip, found 2 hours ago
$358
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, May 8 from Seattle to Cancun, returning Sun, May 10, priced at $358 found 2 hours ago
Frontier Airlines
Wed, May 6 - Thu, May 7
SEA
Seattle
CUN
Cancun
$358 Roundtrip, found 4 hours ago
$358
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, May 6 from Seattle to Cancun, returning Thu, May 7, priced at $358 found 4 hours ago
Frontier Airlines
Tue, May 26 - Thu, May 28
SEA
Seattle
CUN
Cancun
$363 Roundtrip, found 2 hours ago
$363
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, May 26 from Seattle to Cancun, returning Thu, May 28, priced at $363 found 2 hours ago
Volaris
Tue, Mar 10 - Thu, Mar 19
SEA
Seattle
CUN
Cancun
$379 Roundtrip, found 12 hours ago
$379
Roundtrip
found 12 hours ago
Select Volaris flight, departing Tue, Mar 10 from Seattle to Cancun, returning Thu, Mar 19, priced at $379 found 12 hours ago
Aeromexico
Mon, Apr 13 - Fri, Apr 17
SEA
Seattle
CUN
Cancun
$381 Roundtrip, just found
$381
Roundtrip
just found
Select Aeromexico flight, departing Mon, Apr 13 from Seattle to Cancun, returning Fri, Apr 17, priced at $381 just found
Delta
Sun, Apr 19 - Thu, Apr 23
SEA
Seattle
CUN
Cancun
$393 Roundtrip, just found
$393
Roundtrip
just found
Select Delta flight, departing Sun, Apr 19 from Seattle to Cancun, returning Thu, Apr 23, priced at $393 just found
American Airlines
Sun, Apr 19 - Thu, Apr 23
SEA
Seattle
CUN
Cancun
$408 Roundtrip, just found
$408
Roundtrip
just found
Select American Airlines flight, departing Sun, Apr 19 from Seattle to Cancun, returning Thu, Apr 23, priced at $408 just found

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Alternative airports near Cancun

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cancun Intl. CUN. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $422
CUN
Cancun Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $422

Find the cheapest month to fly from Seattle (SEA) to Cancun (CUN)

March is typically the cheapest month to fly

From $312 - $471 per traveler.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) cost?
You can find cheap one-way flights from $169 and cheap return flights from $337 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) with Expedia. One-way flights typically cost between $217 and $1062, and return flights often range between $470 and $2577. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
September is the cheapest month to fly from Seattle (SEA) to Cancun (CUN), with average return fares around $426. This price is about 24% lower than the average throughout the year, as September is a quieter travel month after the summer rush. Other budget-friendly months to consider are January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Choose from 2 airlines operating direct flights from SEA to CUN:

  • Delta operates around 7 direct flights from SEA to CUN every week
  • Hawaiian Airlines operates around 7 direct flights from SEA to CUN every week

What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Volaris is one of the cheapest airlines offering connecting flights from Seattle, WA (SEA) to Cancun, Quintana Roo (CUN), with round-trip tickets starting from around $395. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The best airline to fly with from Seattle, WA (SEA) to Cancun, Quintana Roo (CUN) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Delta typically offers the lowest fares. Alaska Airlines offers the most daily flights from Seattle to Cancun, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
For flights from Seattle, WA (SEA) to Cancun, Quintana Roo (CUN), the best time to travel is usually in September or October, with average return flight prices around $426. These months offer a nice blend of lower prices and pleasant weather, allowing you to enjoy Cancun's beautiful beaches while avoiding the peak tourist season.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
On average, there are around 2 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Cancun Intl. (CUN). For more options, look at flights that include layovers.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The earliest flight from Seattle - Tacoma International (SEA) to Cancun International (CUN) typically departs at around 12:05 AM local time, operated by American Airlines. This seasonal service is available in June, allowing you to start your vacation early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
When traveling from Seattle (SEA) to Cancun (CUN), the most popular departure times are in the early morning, from 6am to 9am. This time is preferred by about 33% of passengers, making it a great option for those eager to start their vacation early. Major carriers, including Delta, Alaska Airlines, and American Airlines, offer flights during this window.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Direct flights from SEA to CUN usually take about 6 hours, traveling roughly 2,684 miles. If you opt for a connecting flight, expect to add around 5 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Business class seats are offered on the SEA to CUN route. Airlines that offer business class service on this route include:

  • Delta Air Lines
  • Air Canada
  • Aeromexico
  • United Airlines
  • American Airlines
  • Hawaiian Airlines

How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
A direct, return business class ticket from Seattle (SEA) to Cancun (CUN) typically costs between $1,766 - $3,297. A non-stop, one-way business class flight is usually around $362 - $764. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cancun from Seattle - Tacoma Intl. (SEA)?
From Seattle - Tacoma Intl. (SEA), you can fly into Cancun Intl. (CUN) to reach Cancun. Some flights may connect through major hubs like Los Angeles Intl. (LAX), Harry Reid Intl. (LAS), Denver Intl. (DEN) before reaching Cancun. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) Quintana Roo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United, Volaris
Roundtrip price
$337
Distance
2683 mi
Average flight time
8 hours 55 mins

Book with confidence

Seattle to Cancun Flights

The cheapest times to fly from Seattle to Cancun

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Cancun are during the month of May. You can find some of the cheapest flights from Seattle to Cancun with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Cancun

Sunday is one of the best days to book for cheap flights from Seattle to Cancun: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Cancun

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Cancun in 2026. You can also book with separate airlines for your outbound and return journeys, from $169 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Cancun flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Cancun airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Cancun Flights

*Flight schedules are subject to change.

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*Available to One Key members.