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CA $192 Cheap Flights from Chicago (ORD) to San Antonio (SAT)

View CA $192 flight on Wed, Sep 23, 2026Opens in a new window

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

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Cheap flights from Chicago (ORD) to San Antonio (SAT)

Prices were available within the past 7 days and start at CA $192 for one-way flights and CA $398 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 27 - Fri, Nov 13
ORD
Chicago
SAT
San Antonio
CA $398 Roundtrip, found 1 day ago
CA $398
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 27 from Chicago to San Antonio, returning Fri, Nov 13, priced at CA $398 found 1 day ago
American Airlines
Sat, Oct 31 - Wed, Nov 4
ORD
Chicago
SAT
San Antonio
CA $409 Roundtrip, found 11 hours ago
CA $409
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Oct 31 from Chicago to San Antonio, returning Wed, Nov 4, priced at CA $409 found 11 hours ago
Delta
Fri, Oct 30 - Fri, Nov 13
ORD
Chicago
SAT
San Antonio
CA $414 Roundtrip, found 1 day ago
CA $414
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 30 from Chicago to San Antonio, returning Fri, Nov 13, priced at CA $414 found 1 day ago
American Airlines
Sat, Oct 31 - Wed, Nov 4
ORD
Chicago
SAT
San Antonio
CA $423 Roundtrip, found 11 hours ago
CA $423
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Oct 31 from Chicago to San Antonio, returning Wed, Nov 4, priced at CA $423 found 11 hours ago
American Airlines
Sat, Oct 31 - Wed, Nov 4
ORD
Chicago
SAT
San Antonio
CA $424 Roundtrip, found 11 hours ago
CA $424
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Oct 31 from Chicago to San Antonio, returning Wed, Nov 4, priced at CA $424 found 11 hours ago
American Airlines
Tue, Dec 1 - Fri, Dec 4
ORD
Chicago
SAT
San Antonio
CA $428 Roundtrip, found 12 hours ago
CA $428
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Dec 1 from Chicago to San Antonio, returning Fri, Dec 4, priced at CA $428 found 12 hours ago
American Airlines
Sat, Oct 31 - Wed, Nov 4
ORD
Chicago
SAT
San Antonio
CA $436 Roundtrip, found 11 hours ago
CA $436
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Oct 31 from Chicago to San Antonio, returning Wed, Nov 4, priced at CA $436 found 11 hours ago
American Airlines
Sat, Oct 31 - Wed, Nov 4
ORD
Chicago
SAT
San Antonio
CA $437 Roundtrip, found 11 hours ago
CA $437
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Oct 31 from Chicago to San Antonio, returning Wed, Nov 4, priced at CA $437 found 11 hours ago
United
Tue, Sep 29 - Mon, Oct 19
ORD
Chicago
SAT
San Antonio
CA $481 Roundtrip, found 1 day ago
CA $481
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 29 from Chicago to San Antonio, returning Mon, Oct 19, priced at CA $481 found 1 day ago
Alaska Airlines
Fri, Oct 30 - Tue, Nov 3
ORD
Chicago
SAT
San Antonio
CA $1,129 Roundtrip, found 4 days ago
CA $1,129
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct 30 from Chicago to San Antonio, returning Tue, Nov 3, priced at CA $1,129 found 4 days ago

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city centre is 11 minutes. Flights from CA $493
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city centre11 min
Flights from CA $493

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

September is typically the cheapest month to fly

From CA $320 - CA $379 per traveller.

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) cost?
You can find cheap one-way flights from CA $192 and cheap return flights from CA $398 ORD to SAT with Expedia. One-way flights typically cost between CA$266 and CA$596. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to SAT ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
August is typically the cheapest month to fly from Chicago O'Hare International Airport (ORD) to San Antonio International Airport (SAT), with average return fares around CA$407. August often sees lower prices as it's a shoulder season, falling between the peak summer travel and the holiday rush, which means airlines may offer better deals to fill seats. September and October are also good months to find deals on this route.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
You have two airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.). Here are the carriers:
  • United operates 26 direct flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) every week.
  • American Airlines operates 25 direct flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) every week.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
United is one of the cheapest airlines offering nonstop return flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.), with tickets starting from around CA$200 for flights that can be booked for departure within the next year. Sun Country Airlines offers one of the cheapest connecting return flights on this route, with tickets starting from around CA$450. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Chicago, IL (ORD) to San Antonio, TX (SAT)?
To find a cheap flight from Chicago, IL (ORD) to San Antonio, TX (SAT), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The best time to fly from Chicago O'Hare International Airport (ORD) to San Antonio International Airport (SAT) is typically August or September if you're looking for the most affordable fares. You can find return flights for around CA$407 during these months. While November and April are more popular times to travel, offering plenty of flight options, August and September provide a great balance of lower prices and good availability. This information is Helping you find a sweet spot for your travel plans.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
You'll find approximately 7 nonstop flights per day from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.). For even more choices, look at flights that include layovers. There are around 93 connecting flights per day, and some common connection points include Dallas-Fort Worth Intl. (DFW), George Bush Intercontinental (IAH), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The earliest flight from Chicago O'Hare International Airport (ORD) to San Antonio International Airport (SAT) typically departs around 12:00 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
You'll find the most flights from Chicago O'Hare International Airport (ORD) to San Antonio International Airport (SAT) on a Friday, with around 68 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Fridays and Thursdays tend to have notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) are between 9am and 12pm. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer these times as they allow for a good start to the day without being too early, giving you time to get to the airport comfortably.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
When flying from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.), you're looking at a distance of about 1679 kilometres. A nonstop flight typically takes around 3 hours 18 minutes. If you opt for a flight with one stop, your travel time will be longer, usually around 7 hours. Flights with two or more stops can take even longer, often around 9 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to factor in some extra time when planning your journey.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
Yes, you can fly business class or first class between ORD and SAT. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, Spirit Airlines, United, Delta, and American Airlines.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Antonio, TX (SAT) from Chicago, IL (ORD)?
If you're planning to travel to San Antonio from O'Hare Intl. (ORD), you can fly directly into San Antonio Intl. (SAT). Some flights may connect through major hubs like Portland Intl. (PDX), San Diego Intl. (SAN), or Waynesville Regional (TBN) before reaching San Antonio. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD) to San Antonio, TX (SAT)?
If you booked your Chicago, IL (ORD) to San Antonio, TX (SAT) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
CA $398
Distance
1668 km
Average flight time
2 hours 56 mins

Book with confidence

Chicago to San Antonio Flights

The easy way to book your flights from Chicago to San Antonio 

With Expedia, it’s simple to find and book flights to San Antonio from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to San Antonio Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to San Antonio today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to San Antonio Intl., SAT 

Sort your search results by price to find great deals on your flight from Chicago to San Antonio—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Antonio from Chicago currently is just CA $398 rising to CA $1,129.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San Antonio  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to San Antonio from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Antonio with Expedia today.

Chicago to San Antonio Flights

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