US$54️ Cheap Flights from Chicago to San Antonio (2024)

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Chicago to San Antonio - Flights Starting at US$54

Book one-way or return flights from Chicago to San Antonio from as little as US$54. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Chicago to San Antonio

View airlines operating flights from Chicago to San Antonio. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$54

Spirit Airlines

From US$57

American Airlines

From US$69

Sun Country Airlines

From US$98

United Airlines

From US$104

Delta Air Lines

From US$132

Alaska Airlines

From US$146

Southwest Airlines

From US$171

Jetblue Airways

From US$245

ANA airlines

Find more flights and airlines

Alternative Routes from Chicago to San Antonio

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Chicago to San Antonio.

Cheapest
MDW
14:45
17h 38m
1 transfer
SAT
08:23
Midway International Airport - San Antonio International Airport
Tue, May 21Frontier Airlines
US$54
ORD
18:27
16h 55m
1 transfer
SAT
11:22
O'Hare International Airport - San Antonio International Airport
Tue, May 7Frontier Airlines
US$55
ORD
18:27
16h 55m
1 transfer
SAT
11:22
O'Hare International Airport - San Antonio International Airport
Tue, May 7Frontier Airlines
US$55
Find More Flights

Frequently Asked Questions

When are flight tickets from Chicago (CHI) to San Antonio (SAT) the cheapest?
Airlines adjust prices for flights from Chicago to San Antonio based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Chicago (CHI) to San Antonio (SAT) cost?
According to Trip.com's data, the lowest price is around $360.
How long does it take to fly from Chicago (CHI) to San Antonio (SAT) and what is the distance?
It takes around 3 hours 28 minutes to fly from Chicago (CHI) to San Antonio (SAT).
What is the transportation method from the main airport to downtown in San Antonio?
- The distance from San Antonio International Airport to downtown is about 12km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from Chicago (CHI) to San Antonio (SAT)?
Airlines with flights from Chicago (CHI) to San Antonio (SAT): United Airlines, Royal Jordanian, Emirates, American Airlines, Qatar Airways, Southwest Airlines, Iberia, Aer Lingus, Air Canada, Alaska Airlines, All Nippon Airways and Lufthansa.

How to find a cheap flight from Chicago to San Antonio

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to San Antonio. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Chicago to San Antonio Flight Information

Cheapest nonstop flight price	$54
Cheapest round-trip ticket price	$178
Off-season for travel	April
Peak season for travel	October
Flight distance	1,681.81km
Average flight time	3 hours 28 minutes
Popular airline	American Airlines