$154 Cheap United flights San Antonio (SAT) to Chicago (ORD)

You’ll discover budget-friendly return United Airlines flights from $297 from SAT to ORD by organizing your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $154 for a one-way journey.**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.

Search for one-way or return flights to Chicago in January or February. You could find lower fares with United Airlines during these off-peak travel months.

For cheap United Airlines fares from San Antonio Intl. Airport (SAT) to O’Hare Intl. Airport (ORD), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence how much you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

You can easily fly from San Antonio Intl. Airport (SAT) to O’Hare Intl. Airport (ORD) on one of United Airlines’s 14 direct weekly flights. Apply Expedia’s “Nonstop” and “Airline” filters to find the United Airlines flight that’ll arrive at ORD at your preferred time.

On average, it takes 2h 51m to travel nonstop from San Antonio Intl. Airport (SAT) to O’Hare Intl. Airport (ORD) with United Airlines.

If you’re looking for flexibility, Thursday offers the most choice for United Airlines flights from San Antonio Intl. Airport (SAT) to O’Hare Intl. Airport (ORD). You can select from 2 different departures.

Setting off from SAT at 7:00AM UTC-6, the earliest United Airlines flight to ORD arrives at 9:51AM UTC-6. Flying earlier in the day means you’re less likely to encounter cancellations or delays.* Not an early riser? The last United Airlines flight from SAT to ORD departs at 2:05PM UTC-6 and touches down at 4:56PM UTC-6.*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.

United Airlines flights from San Antonio Intl. Airport (SAT) to Chicago land at O’Hare Intl. Airport (ORD) and Midway Intl. Airport (MDW). The main Chicago gateway served by this carrier is ORD. It’s worth checking out flights arriving at nearby airports on Expedia as there may be cheaper tickets.

With a rewarding loyalty program, United Airlines is a popular choice for many travelers journeying from SAT to ORD. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

United Airlines generally uses Airbus A319 planes for flights from San Antonio Intl. Airport (SAT) to O’Hare Intl. Airport (ORD). This carrier also operates the Boeing 737-700 on this route. Bear in mind that aircraft type can change depending on operational requirements, so the plane you catch could be different on the day.

You can usually change or cancel your flight, although additional charges may apply if you booked over 24 hours ago. Need flexible options? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge you extra if you have to adjust your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for more details.