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Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

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Amazing Alaska Airlines SEA to CUN Flight Deals

The cheapest flights to Cancun Intl. found within the past 7 days were $632 round trip and $310 one way. Prices and availability subject to change. Additional terms may apply.

CUN From SEA Economy Coach Packages on Similar Airlines


FAQs about Alaska Airlines Flights from SEA to CUN

Flying Tips & Tricks How do I find my flight number?
  • When you've finalized your booking, have a look in your inbox for your travel itinerary. Your flight number is written in this document. You won't have too many difficulties finding it — just keep your eye out for a code made up of letters and numbers. The first couple of letters and digit are called an IATA airline code and indicate the airline you're traveling with. Following this are one, two, three or four numbers which make up your flight number.
How early can you check bags for a flight?
  • Check-in and luggage drop times can be different between airports and airlines, but there are some basic rules. Heading off on a domestic flight? Usually, you can check-in two hours before takeoff. For international services, it's more like three hours.

Alaska Airlines Flights from SEA to CUN

Travelocity is proud to offer some of the lowest fares on Alaska Airlines flights from Seattle to Cancun. With our low price guarantee and free 24 hour cancellation, you can book that flight to CUN with confidence today. Choose from some of the best days to fly with our flexible booking calendar and you’ll save even more money on your journey from SEA to CUN. Whether you’re on the way to a well-deserved vacation or just flying for business, take advantage of these airfare deals today and go and smell the roses!


*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.