$149 Cheap United flights Chicago (ORD) to San Antonio (SAT)

Finding cheap one-way United Airlines flights from ORD to SAT from $149 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $297 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.

Look for return or one-way flights to San Antonio in January or September. You could find an affordable fare with United Airlines during these off-season months.

Look for affordable United Airlines flights from O’Hare Intl. Airport (ORD) to San Antonio Intl. Airport (SAT) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Yes, you can travel from O’Hare Intl. Airport (ORD) to San Antonio Intl. Airport (SAT) on any of United Airlines’s 14 weekly direct flights. Use our “Nonstop” and “Airline” filters to find the United Airlines flight that’ll take you to SAT at a time that suits you.

Leave O’Hare Intl. Airport (ORD) for San Antonio Intl. Airport (SAT) on a nonstop United Airlines flight, and you’ll be in the skies for approximately 3h 12m.

Friday has the most United Airlines flights from O’Hare Intl. Airport (ORD) to San Antonio Intl. Airport (SAT). With 2 daily departures, this is a great day to find something that will work for your schedule.

The first United Airlines flight from ORD to SAT departs at 9:15AM UTC-6, touching down at 12:29PM UTC-6. If you’d like to head off later in the day, the last United Airlines flight leaves ORD at 8:03PM UTC-6 and lands at SAT at 11:15PM UTC-6. Flying before noon is generally a good idea as morning and mid-morning flights tend to experience fewer cancellations.**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.

Get on a United Airlines flight from O’Hare Intl. Airport (ORD) to San Antonio, and you’re most likely to touch down at San Antonio Intl. Airport (SAT). This is the airline’s main hub here.

A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to jet off from ORD to SAT with United Airlines. Plus, by joining Expedia’s free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

United Airlines typically flies Airbus A319 planes for flights from O’Hare Intl. Airport (ORD) to San Antonio Intl. Airport (SAT). This airline also operates the Boeing 737-700 on this route. Bear in mind that aircraft type can vary due to operational demands, so the plane you board might be different when you leave.

Depending on the ticket type you purchased, a fee typically applies if you cancel or reschedule your flight more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when looking for flights. To learn more about canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”