$109 Cheap Delta flights Austin (AUS) to Chicago (ORD)

Finding cheap one-way Delta Air Lines flights from AUS to ORD from $109 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $211 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.

Delta Air Lines flights to Chicago are usually cheaper in the low-season months of January and February. Whether you’re in search of a one-way or a return ticket, you could score a better deal then.

Begin your search one to three months ahead of your departure date to score cheaper fares on Delta Air Lines flights from Austin-Bergstrom Intl. Airport (AUS) to O’Hare Intl. Airport (ORD). 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.* Get your timing right, 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.

To see if there’s a direct journey from AUS to ORD with Delta Air Lines or any other carriers, check the “Nonstop” filter when looking for flights.

Browse Delta Air Lines’s earliest flights from AUS to ORD by using our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being 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.

O’Hare Intl. Airport (ORD) is the main Chicago hub for Delta Air Lines flights from Austin-Bergstrom Intl. Airport (AUS).

Taking off from AUS to ORD with Delta Air Lines means enjoying plenty 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 in addition to 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 making your booking, but your airline may add a charge after that. For more information about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your itinerary without extra charges, apply the “No cancel fee” or “Changes included” filter when organizing your next adventure.