$121 Cheap Southwest Airlines flights Raleigh (RDU) to Nashville (BNA)

Landing cheap one-way Southwest Airlines flights from RDU to BNA from $121 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $189 for your next exciting 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 score cheap fares on Southwest Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Nashville Intl. Airport (BNA). 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 cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, 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.

Taking off from RDU at 6:35AM UTC-5, the first Southwest Airlines flight to BNA arrives at 7:20AM UTC-6. Traveling early means you're less likely to experience cancellations.* Not a morning person? The last Southwest Airlines flight from RDU to BNA departs at 7:50PM UTC-5 and touches down at 8:30PM UTC-6.*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.