S$137 Cheap Flights from Chicago to San Antonio

View S$137 flight on Thu, 21 Aug, 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$137 for one-way flights and S$273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 21 Aug - Mon, 25 Aug
ORD
Chicago
SAT
San Antonio
S$273 Return, found 4 hours ago
S$273
Return
found 4 hours ago
Select United flight, departing Thu, 21 Aug from Chicago to San Antonio, returning Mon, 25 Aug, priced at S$273 found 4 hours ago
American Airlines
Thu, 21 Aug - Mon, 25 Aug
ORD
Chicago
SAT
San Antonio
S$274 Return, found 4 hours ago
S$274
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 21 Aug from Chicago to San Antonio, returning Mon, 25 Aug, priced at S$274 found 4 hours ago
Delta
Thu, 21 Aug - Mon, 25 Aug
ORD
Chicago
SAT
San Antonio
S$276 Return, found 4 hours ago
S$276
Return
found 4 hours ago
Select Delta flight, departing Thu, 21 Aug from Chicago to San Antonio, returning Mon, 25 Aug, priced at S$276 found 4 hours ago
Delta
Sat, 16 Aug - Sat, 23 Aug
ORD
Chicago
SAT
San Antonio
S$326 Return, found 6 days ago
S$326
Return
found 6 days ago
Select Delta flight, departing Sat, 16 Aug from Chicago to San Antonio, returning Sat, 23 Aug, priced at S$326 found 6 days ago
United
Thu, 21 Aug - Mon, 25 Aug
ORD
Chicago
SAT
San Antonio
S$332 Return, found 4 hours ago
S$332
Return
found 4 hours ago
Select United flight, departing Thu, 21 Aug from Chicago to San Antonio, returning Mon, 25 Aug, priced at S$332 found 4 hours ago
Delta
Thu, 21 Aug - Mon, 25 Aug
ORD
Chicago
SAT
San Antonio
S$334 Return, found 4 hours ago
S$334
Return
found 4 hours ago
Select Delta flight, departing Thu, 21 Aug from Chicago to San Antonio, returning Mon, 25 Aug, priced at S$334 found 4 hours ago
Delta
Sat, 2 Aug - Sun, 3 Aug
ORD
Chicago
SAT
San Antonio
S$357 Return, found 3 days ago
S$357
Return
found 3 days ago
Select Delta flight, departing Sat, 2 Aug from Chicago to San Antonio, returning Sun, 3 Aug, priced at S$357 found 3 days ago
Delta
Sat, 16 Aug - Sat, 23 Aug
ORD
Chicago
SAT
San Antonio
S$364 Return, found 6 days ago
S$364
Return
found 6 days ago
Select Delta flight, departing Sat, 16 Aug from Chicago to San Antonio, returning Sat, 23 Aug, priced at S$364 found 6 days ago
Delta
Thu, 21 Aug - Thu, 28 Aug
ORD
Chicago
SAT
San Antonio
S$365 Return, found 1 day ago
S$365
Return
found 1 day ago
Select Delta flight, departing Thu, 21 Aug from Chicago to San Antonio, returning Thu, 28 Aug, priced at S$365 found 1 day ago
United
Sat, 16 Aug - Sat, 23 Aug
ORD
Chicago
SAT
San Antonio
S$371 Return, found 6 days ago
S$371
Return
found 6 days ago
Select United flight, departing Sat, 16 Aug from Chicago to San Antonio, returning Sat, 23 Aug, priced at S$371 found 6 days ago

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

September is typically the cheapest month to fly

From S$126 - S$257 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$273
Distance
1668 km
Average flight time
4 hours 20 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 American Airlines, United, Delta. 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$137 and roundtrip prices from S$273*.
 

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$273. 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.

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