S$331 Cheap Flights from Chicago to San Antonio

View S$331 flight on Sat, 13 Sep, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to San Antonio International Airport (SAT)

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

Prices were available within the past 7 days and start at S$331 for one-way flights and S$633 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$633 Return, found 22 hours ago
S$633
Return
found 22 hours ago
Select Delta flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$633 found 22 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$672 Return, found 22 hours ago
S$672
Return
found 22 hours ago
Select Delta flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$672 found 22 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$684 Return, found 22 hours ago
S$684
Return
found 22 hours ago
Select Delta flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$684 found 22 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$703 Return, found 22 hours ago
S$703
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$703 found 22 hours ago
United
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$711 Return, found 22 hours ago
S$711
Return
found 22 hours ago
Select United flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$711 found 22 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$711 Return, found 22 hours ago
S$711
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$711 found 22 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$720 Return, found 22 hours ago
S$720
Return
found 22 hours ago
Select Delta flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$720 found 22 hours ago
United
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$723 Return, found 22 hours ago
S$723
Return
found 22 hours ago
Select United flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$723 found 22 hours ago
United
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$730 Return, found 22 hours ago
S$730
Return
found 22 hours ago
Select United flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$730 found 22 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$736 Return, found 22 hours ago
S$736
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$736 found 22 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$736 Return, found 22 hours ago
S$736
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$736 found 22 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$740 Return, found 22 hours ago
S$740
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$740 found 22 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$742 Return, found 22 hours ago
S$742
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$742 found 22 hours ago
United
Sat, 13 Sep - Sun, 14 Sep
ORD
Chicago
SAT
San Antonio
S$742 Return, found 22 hours ago
S$742
Return
found 22 hours ago
Select United flight, departing Sat, 13 Sep from Chicago to San Antonio, returning Sun, 14 Sep, priced at S$742 found 22 hours ago

Find the cheapest month to fly from Chicago (ORD) to San Antonio (SAT)

November is typically the cheapest month to fly

From S$152 - S$454 per traveller.

Graph displaying average flight prices per month

Chicago to San Antonio route information
Origin airport
O'Hare Intl.
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$632
Distance
1668 km
Average flight time
4 hours 17 mins

Perfect flights from Chicago to San Antonio

Your Journey from Chicago to San Antonio

Start your unforgettable journey with Expedia. Our broad selection of flights from Chicago to San Antonio caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United. Our selection of flights from O'Hare Intl. to San Antonio Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Chicago to San Antonio Flights

Experience the joy of finding cheap flights from O'Hare Intl. to San Antonio Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$331 and roundtrip prices from S$633*.
 

Pre-Flight Essentials

Ensure a smooth journey from Chicago to San Antonio with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Antonio

Picture yourself stepping off the plane in San Antonio and immersing yourself in the unique atmosphere of San Antonio. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Chicago to San Antonio Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Chicago to San Antonio.
 

Beyond the Flight – Exploring San Antonio

With Expedia, your adventure extends beyond the flight. Explore San Antonio at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Chicago to San Antonio with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Chicago to San Antonio with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to San Antonio Airport?
If you're planning on travelling from O'Hare Airport to San Antonio Airport, round-trip flights start from S$633. 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.
Do I need to pay a cancellation fee if I cancel my flight from ORD to San Antonio Intl. Airport (SAT)?
The majority of flights can be conveniently cancelled 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.
How do I find cheap flights from ORD to San Antonio Airport that have flexible change policies?
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.
How far is the flight from ORD to San Antonio Airport?
The flight distance between O'Hare Intl. Airport (ORD) (ORD) and San Antonio Intl. Airport (SAT) (SAT) is 1,700 kilometres. Squeeze in a nap or finish that novel and the journey will fly by.
Which airlines fly direct from O'Hare Airport to SAT?
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 traveller favourite.
Are O'Hare Intl. Airport (ORD) to SAT flight tickets cheaper when they're purchased at the last minute?
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.

Explore a world of travel with Expedia

*Available to Expedia members.