Cheap Flights from Chicago (ORD) to San Antonio (SAT) ~

If you're planning on traveling from O'Hare Airport to San Antonio Airport, round-trip flights start from . This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be conveniently canceled online, but whether you incur a fee differs between airlines. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ORD to San Antonio Airport flights, you'll see a "no change fees" filter for you to select.

The flight distance between O'Hare Intl. Airport (ORD) (ORD) and San Antonio Intl. Airport (SAT) (SAT) is 1,700 kilometers. Squeeze in a nap or finish that novel and the journey will fly by.

With 91 flights a month operating from O'Hare Intl. Airport (ORD) to San Antonio Intl. Airport (SAT), United Airlines (UA) is a great choice. Operating 56 flights every month on this route, American Airlines (AA) is another traveler favorite.

Tickets from O'Hare Intl. Airport (ORD) to San Antonio Airport are available up to a year before departure on Expedia. And although you may occasionally nab fantastic last-minute deals, it's never something you can count on. Also, booking your flights in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so check back often for all the latest specials.