$158 Cheap Delta flights Seattle (SEA) to Cancun (CUN)

You can find cheap return Delta Air Lines flights from $339 from SEA to CUN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $158 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.

Delta Air Lines flights to Cancun tend to be cheaper in the quieter months of October and September. Whether you’re in search of a one-way or round-trip ticket, you could land a better deal then.

Search for Delta Air Lines flights from SEA to CUN about one month before you want to go. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save 17% on average compared to those who book on a Friday.**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.

Delta Air Lines has direct flights from Seattle - Tacoma Intl. Airport (SEA) to Cancun Intl. Airport (CUN), with 7 weekly departures. Simply use the “Nonstop” and “Airline” filters during your search on Expedia to show all direct Delta Air Lines flights to CUN.

From takeoff to arrival, a direct Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Cancun Intl. Airport (CUN) typically takes 5h 54m.

Taking off from SEA at 7:15AM UTC-8, the earliest Delta Air Lines flight to CUN lands at 4:09PM UTC-5. Flying earlier in the day means you’re less likely to experience delays.* Prefer a later start? The last Delta Air Lines flight from SEA to CUN departs at 7:15AM UTC-8 and touches down at 4:09PM 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.

Hop on a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Cancun, and you’re most likely to come in to Cancun Intl. Airport (CUN). This is the airline’s primary hub here.

Delta Air Lines makes traveling from SEA to CUN more comfortable with a rewarding loyalty program and an excellent in-flight experience. You could even start collecting points with Delta SkyMiles. Be sure to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Book a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Cancun Intl. Airport (CUN), and you’ll likely be flying on an Airbus A321neo. Bear in mind though, that the aircraft type can change depending on operational demands.

Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that time. For further details about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your plans without extra charges, check the “No cancel fee” or “Changes included” filter when planning your next trip.