S$ 74 Cheap Flights from Chicago to San Antonio (CHI-SAT)

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Cheap Flights from Chicago to San Antonio starting at S$ 74

Book one-way or return flights from Chicago to San Antonio from as little as S$ 74. 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.

Searching for the best last minute flight from Chicago to San Antonio? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Chicago to San Antonio. Stay updated on price trends and snag the best deals for your upcoming trip.

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

Cheapest Airlines flying 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 S$ 74

Spirit Airlines

From S$ 78

American Airlines

From S$ 93

Sun Country Airlines

From S$ 134

United Airlines

From S$ 141

Delta Air Lines

From S$ 180

Alaska Airlines

From S$ 199

Southwest Airlines

From S$ 233

Jetblue Airways

From S$ 368

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
S$ 74
ORD
18:27
16h 55m
1 transfer
SAT
11:22
O'Hare International Airport - San Antonio International Airport
Tue, May 7Frontier Airlines
S$ 74
ORD
18:27
16h 55m
1 transfer
SAT
11:22
O'Hare International Airport - San Antonio International Airport
Tue, May 7Frontier Airlines
S$ 74
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Chicago (CHI) to San Antonio (SAT) the cheapest?
Airlines adjust prices for flights from Chicago to San Antonio based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Chicago (CHI) to San Antonio (SAT) cost?
According to Trip.com's data, the lowest price is around S$ 489.
How long is a flight from Chicago (CHI) to San Antonio (SAT)?
It takes about 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, by taxi about 30 minutes.
What time does the earliest flight from Chicago to San Antonio depart?
The earliest flight departs from Chicago (ORD) at 09:15 and arrives in San Antonio (SAT) at 12:18.
What time does the latest flight from Chicago to San Antonio depart?
The latest flight departs from Chicago (MDW) at 21:10 and arrives in San Antonio (SAT) at 23:45.
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, Ana and Lufthansa.
What's the most popular airline for direct flights from Chicago (CHI) to San Antonio (SAT)?
Southwest Airlines operates 2 direct flights from Chicago (CHI) to San Antonio (SAT).
How many airports in San Antonio?
There are 4 airports near San Antonio: San Antonio Randolph Afb, San Antonio International Airport, Kelly Field Annex/Lackland Air Force Base and San Antonio Stinson Airport.

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

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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.

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Flight Information from Chicago to San Antonio

Cheapest direct flight price	S$ 73
Cheapest return ticket price	S$ 223
Cheapest month	April
Peak season for travel	October
Flight distance	1,681.81km
Average flight time	3 hours 28 minutes
Popular airline	American Airlines