| Nonstop Flights: Austin to/from Chicago $51 r/t [July-December] â American Airlines Due to the covid-19 pandemic, we do not recommend booking travel with departures before July. This fare has departures later in the year. American Airlines has round-trip flights from Austin (AUS) to Chicago (ORD) for $51, NONSTOP. Flights July to December. Weekends available. Origin/Destination reversible. Change fees are waived and carry-on bag is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate. Want a notification sent straight to your phone when any new deals are found? Join our Telegram channel and never miss another deal. Patreon supporters receive a recap of all the airfare deals currently available from Austin and San Antonio everyday. We donât charge a subscription fee. Our deal notifications are available for FREE via Instagram, Facebook, Twitter, Telegram, our Webpage, and our E-mail list. If you are paying someone a subscription fee for this content, you are being ripped off. Read More Nonstop Flights: Austin to/from Chicago $51 r/t [July-December] â American Airlines . | 