Cheap Flights from Chicago to San Antonio starting at RM 214

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

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

Cheapest time to fly from Chicago to San Antonio

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

Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

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

FAQ

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 date and time of your booking. By analyzing data from all airlines, 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 RM 1,904.
How long does it take to fly from Chicago (CHI) to San Antonio (SAT)?

It takes about 3 hours 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 08:38 and arrives in San Antonio (SAT) at 11:40.
What time does the latest flight from Chicago to San Antonio depart?

The latest flight departs from Chicago (MDW) at 21:30 and arrives in San Antonio (SAT) at 00:15.
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): Royal Jordanian, Emirates, American Airlines, Alaska Airlines, United Airlines, Qatar Airways, Aer Lingus, Southwest Airlines, Gulf Air, Air Canada, Japan Airlines, All Nippon Airways and British Airways.
What's the most popular airline for non-stop 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 (SAT)?

There are 2 airport(s) in San Antonio (SAT): San Antonio International Airport and Kelly Field Annex/Lackland Air Force Base.

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.

Be flexible with your travel dates to get the cheapest flight from Chicago to San Antonio.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Chicago to San Antonio over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Thu, Apr 24, with one-way flights priced at just RM 478.

Compare cheap flight deals from Chicago to San Antonio across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Chicago to San Antonio. The cheapest airline for this route is American Airlines.

Set up a Price Alert

By setting up a Price Alert for your journey from Chicago to San Antonio, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Chicago to San Antonio.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Chicago to San Antonio and snag some exclusive deals just for you.

Flight Information from Chicago to San Antonio

Cheapest direct flight price	RM 213
Cheapest return ticket price	RM 671
Off-season for travel	March
Peak season for travel	December
Flight distance	1,681.81km
Average flight time	3 hours
Popular airline	United Airlines