$136 Cheap Delta flights Louisville (SDF) to Austin (AUS)

Landing cheap one-way Delta Air Lines flights from SDF to AUS from $136 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $258 for your next exciting vacation.**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 Austin are generally cheaper in the low-season months of January and December. Whether you’re after a return or one-way ticket, you could land a better deal then.

Begin your search one to three months ahead of your travel date to get cheaper fares on Delta Air Lines flights from Louisville Intl. Airport (SDF) to Austin-Bergstrom Intl. Airport (AUS). 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 journeys.*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.

To figure out if there’s a direct journey from SDF to AUS with Delta Air Lines or other carriers, select the “Nonstop” filter when looking for tickets.

Browse Delta Air Lines’s earliest flights from SDF to AUS by selecting our “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**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.

Board a Delta Air Lines flight from Louisville Intl. Airport (SDF) to Austin, and you’ll most likely land at Austin-Bergstrom Intl. Airport (AUS). This is the airline’s primary hub here.

Taking off from SDF to AUS with Delta Air Lines means enjoying a host of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of booking, but your airline may charge a fee after that. For further details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to update your itinerary without additional charges, apply the “No cancel fee” or “Changes included” filter when organizing your trip.