$216 Cheap Alaska Airlines flights Seattle (SEA) to Cancun (CUN)

You’ll find affordable return Alaska Airlines flights from SEA to CUN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals from $216 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines flights to Cancun are typically more affordable in the low-season months of October and September. Whether you’re searching for a return or one-way ticket, you could score a better deal then.

Getting the best Alaska Airlines deals from SEA to CUN often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s smart to kick off your flight search about one month before you want to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

You can easily fly from Seattle - Tacoma Intl. Airport (SEA) to Cancun Intl. Airport (CUN) on any of Alaska Airlines’s 7 direct weekly flights. Make use of our “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll arrive at CUN at your preferred time.

It takes around 6h to travel nonstop from Seattle - Tacoma Intl. Airport (SEA) to Cancun Intl. Airport (CUN) with Alaska Airlines.

Setting off from SEA at 7:00AM UTC-8, the first Alaska Airlines flight to CUN arrives at 4:00PM UTC-5. Flying early means you’re less likely to experience delays.* Not a morning person? The last Alaska Airlines flight from SEA to CUN departs at 7:00AM UTC-8 and touches down at 4:00PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Cancun Intl. Airport (CUN) is the main Cancun gateway for Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA).

Flying from SEA to CUN with Alaska Airlines means enjoying a range of perks, including an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s in addition to the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Seattle - Tacoma Intl. Airport (SEA) to Cancun Intl. Airport (CUN) route, Alaska Airlines typically flies Boeing 737 MAX 9 and Boeing 737-900 planes. Remember that last-minute changes are possible for operational purposes, so your flight could be on another aircraft.

Depending on the ticket type you purchased, a fee will generally apply if you cancel or reschedule your booking more than 24 hours after it’s been confirmed. To find flexible plane tickets, select our “Changes included” or “No cancel fee” filter when you search for flights. To learn more about canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”