Cheap Flights from Chicago (CHI) to San Antonio (SAT) from HK$3,345~

View HK$3,345 flight on Sat, 27 Dec 2025Opens in a new window

Popular airlines from Chicago to San Antonio, TX (SAT-San Antonio Intl.)

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Find Cheap Flights from Chicago (CHI) to San Antonio (SAT)

Prices were available within the past 7 days and start at HK$3,345 for one-way flights and HK$6,261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,261 Return, found 1 day ago
HK$6,261
Return
found 1 day ago
Select United flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,261 found 1 day ago
United
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,337 Return, found 1 day ago
HK$6,337
Return
found 1 day ago
Select United flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,337 found 1 day ago
American Airlines
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,400 Return, found 1 day ago
HK$6,400
Return
found 1 day ago
Select American Airlines flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,400 found 1 day ago
American Airlines
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,476 Return, found 1 day ago
HK$6,476
Return
found 1 day ago
Select American Airlines flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,476 found 1 day ago
American Airlines
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,552 Return, found 1 day ago
HK$6,552
Return
found 1 day ago
Select American Airlines flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,552 found 1 day ago
American Airlines
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,572 Return, found 1 day ago
HK$6,572
Return
found 1 day ago
Select American Airlines flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,572 found 1 day ago
United
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,617 Return, found 1 day ago
HK$6,617
Return
found 1 day ago
Select United flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,617 found 1 day ago
United
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,626 Return, found 1 day ago
HK$6,626
Return
found 1 day ago
Select United flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,626 found 1 day ago
American Airlines
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,648 Return, found 1 day ago
HK$6,648
Return
found 1 day ago
Select American Airlines flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,648 found 1 day ago
Delta
Sat, 27 Dec - Sat, 3 Jan
ORD
Chicago
SAT
San Antonio
HK$6,950 Return, found 1 day ago
HK$6,950
Return
found 1 day ago
Select Delta flight, departing Sat, 27 Dec from Chicago to San Antonio, returning Sat, 3 Jan, priced at HK$6,950 found 1 day ago

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

April is typically the cheapest month to fly

From HK$975 - HK$3,839 per traveller.

Frequently asked questions

How much is a flight from Chicago, IL (CHI-All Airports) to San Antonio Airport?
Round-trip flights between Chicago, IL (CHI-All Airports) and San Antonio Intl. Airport (SAT) start from HK$6,261. This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chicago, IL (CHI-All Airports) to San Antonio Airport?
The majority of flights can be canceled online, but whether you are charged a fee all comes down to your airline. If you do need to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Chicago, IL (CHI-All Airports) to San Antonio Intl. Airport (SAT) 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 Chicago, IL (CHI-All Airports) to San Antonio Intl. Airport (SAT) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Chicago, IL (CHI-All Airports) to San Antonio Intl. Airport (SAT)?
The flight distance between Chicago, IL (CHI-All Airports) (CHI) and San Antonio Airport (SAT) is 1,650 kilometers. Squeeze in a nap or read a good book and the journey will fly by.
Which airlines fly direct from Chicago, IL (CHI-All Airports) to San Antonio Airport?
There are several airlines that fly straight from Chicago, IL (CHI-All Airports) to San Antonio Airport. United Airlines (UA) is a popular choice, offering 91 flights a month. Like more options? Check out what's available with Southwest Airlines (WN). This carrier offers 60 monthly flights between these airports.
Are Chicago, IL (CHI-All Airports) to San Antonio Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute deals between Chicago, IL (CHI-All Airports) and San Antonio Intl. Airport (SAT) are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some airlines publish their prices up to a year before the departure date. Expedia is constantly updating the best bargains around, so check back often and be ready to pounce when the fares dip.

Travel information

Origin airport
O'Hare Intl.
Destination airport
San Antonio Intl.
Return price
HK$6,261
Distance
1668 km

Book with confidence

Flights from Illinois to San Antonio

Book cheap flights from Illinois (CHI) to San Antonio (SAT) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Illinois (CHI) to San Antonio (SAT) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Illinois (CHI) to San Antonio (SAT) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your San Antonio flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in San Antonio and things to do in San Antonio for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to San Antonio more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Antonio is HK$3,345 now!

 

Flights from Illinois to San Antonio

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