Cheap Flights from Chicago to San Antonio

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards

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

April is typically the cheapest month to fly

From S$161 - S$556 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 . 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 cancelled 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 kilometres. 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
CHI-All Airports
Destination airport
San Antonio Intl.
Distance
1639 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.