$119 Cheap Delta flights Philadelphia (PHL) to Austin (AUS)

Landing cheap one-way Delta Air Lines flights from PHL to AUS from $119 on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $197 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.

Delta Air Lines flights to Austin are usually more affordable in the off-peak months of January and December. Whether you’re in search of a round-trip or one-way ticket, you could land a better deal then.

Begin your search one to three months ahead of your travel date to score cheap fares on Delta Air Lines flights from Philadelphia Intl. Airport (PHL) to Austin-Bergstrom Intl. Airport (AUS). 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.* Nail your timing, 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.

Click on our “Nonstop” filter when looking for direct Delta Air Lines flights from PHL to AUS. It’s also a great way to compare other carriers servicing the same direct route.

Search Delta Air Lines’s earliest flights from PHL to AUS by selecting our “Morning” and “Early Morning” filters. Not only will you arrive 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.

Catch a Delta Air Lines flight from Philadelphia Intl. Airport (PHL) to Austin, and you’ll likely come in to Austin-Bergstrom Intl. Airport (AUS). This is the airline’s main hub in this city.

Delta Air Lines makes flying from PHL to AUS more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Make sure you sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*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 making your booking, but your airline may charge you after that time. For more details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your itinerary without additional charges, tick the “Changes included” and “No cancel fee” filters when planning your next getaway.