$49 Cheap Southwest Airlines flights Houston (HOU) to Dallas (DAL)

Finding cheap one-way Southwest Airlines flights from HOU to DAL from $49 on Expedia is simple --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $97 for your next adventure.**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.

Begin your search one to three months ahead of your travel date to score cheap fares on Southwest Airlines flights from William P. Hobby Airport (HOU) to Love Field Airport (DAL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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.

The first Southwest Airlines flight from HOU to DAL takes off at 6:00AM UTC-6, touching down at 7:05AM UTC-6. If you prefer to head off later in the day, the last Southwest Airlines flight leaves HOU at 9:30PM UTC-6 and lands at DAL at 10:35PM UTC-6. Flying before noon is generally a smart option as morning and mid-morning flights are less likely to experience 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.