$131 Cheap Southwest Airlines flights Dallas (DAL) to Cancun (CUN)

Use the “Price (lowest to highest)” filter on Expedia to find cheap Southwest Airlines round-trip flights from $291 from DAL to CUN. Affordable one-way fares from $131 are also available.**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.

Southwest Airlines flights to Cancun are usually more affordable in the low-season months of October and September. Whether you need a one-way or round-trip ticket, you could find a better deal then.

Landing the best Southwest Airlines deals from DAL to CUN often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. As an added bonus, you can pocket 17% on average by buying your fare on a Sunday rather than 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 plan 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.

Fill in your dates, click search and check the “Nonstop” filter on Expedia to browse any direct flights from DAL to CUN with Southwest Airlines or other carriers.

Find Southwest Airlines’s earliest flights from DAL to CUN by checking our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**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 hub for Southwest Airlines flights from Love Field Airport (DAL).

Depending on your ticket type, a fee generally applies if you modify or cancel your flight more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while searching for flights. For more information on modifying or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”