$69 Cheap Southwest Airlines flights Raleigh (RDU) to Dallas (DAL)

Landing cheap one-way Southwest Airlines flights from RDU to DAL from $69 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $137 for your next getaway.**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.

Start searching one to three months ahead of your travel date to find cheap fares on Southwest Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Love Field Airport (DAL). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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.* Time it well, and you can enjoy significant savings on domestic flights.*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 earliest Southwest Airlines flight from RDU to DAL departs at 12:40PM UTC-5, arriving at 2:50PM UTC-6. If you prefer to set off later, the last Southwest Airlines flight leaves RDU at 2:15PM UTC-5 and touches down at DAL at 4:20PM UTC-6. Flying before midday is often a good option as morning flights are least likely to face 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.