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Uncover the best deals on Chicago to San Antonio flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest CHI - SAT Flights
Useful information for finding best airline tickets from Chicago All Airport to San Antonio International on your next trip.
Cheapest Round Trip Flight
$190
Frontier Airlines
• 1 stop
• 34h 7m
Aug 03 – Aug 05
The cheapest round trip flight from Chicago to San Antonio (CHI-SAT-CHI) is currently $190
Cheapest Direct Flight
$240
United Airlines
• nonstop
• 4h 19m
Aug 03
The cheapest nonstop flight from Chicago to San Antonio (CHI-SAT) is currently $240
Fastest Flight
4h
The fastest nonstop flight from Chicago to San Antonio (CHI-SAT) takes 4h
Top Airlines Flying from Chicago to San Antonio
Latest Flight Deals from Chicago (CHI) to San Antonio (SAT)
Compare and book low fare round-trip air tickets from Chicago to San Antonio. Ideal for travelers with confirmed return itineraries.
Aug 03 - Aug 05, Economy
Chicago → San Antonio
34h 7m
9:57 PM - 6:44 PM • 1 stop
Chicago → San Antonio
41h 43m
7:49 PM - 8:52 PM • 1 stop
Frontier Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
10h 15m
9:40 AM - 3:55 PM • 1 stop
Chicago → San Antonio
8h 31m
6:00 AM - 11:11 AM • 1 stop
American Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
12h 23m
5:00 AM - 12:43 PM • 1 stop
Chicago → San Antonio
9h 3m
5:40 AM - 11:23 AM • 1 stop
United Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
- • 1 stop
Chicago → San Antonio
- • nonstop
United Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
11h 55m
3:50 PM - 11:05 PM • 2 stops
Chicago → San Antonio
3h 55m
2:15 PM - 4:50 PM • nonstop
Southwest Airlines
Flying to San Antonio soon? We've surfaced some of the most affordable last-minute flights from Chicago to San Antonio, ideal for urgent plans or spontaneous trips.
Aug 04 - Aug 06, Economy
Chicago → San Antonio
10h 15m
9:40 AM - 3:55 PM • 1 stop
Chicago → San Antonio
8h 31m
6:00 AM - 11:11 AM • 1 stop
American Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
12h 23m
5:00 AM - 12:43 PM • 1 stop
Chicago → San Antonio
9h 3m
5:40 AM - 11:23 AM • 1 stop
United Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
- • 1 stop
Chicago → San Antonio
- • nonstop
United Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
4h
8:30 PM - 11:10 PM • nonstop
Chicago → San Antonio
3h 55m
2:15 PM - 4:50 PM • nonstop
Southwest Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
11h 55m
3:50 PM - 11:05 PM • 2 stops
Chicago → San Antonio
3h 55m
2:15 PM - 4:50 PM • nonstop
Southwest Airlines
Looking for the fastest way to San Antonio? These direct flight options from CHI to SAT offer both convenience and value—no layovers, just straight to your destination.
Aug 03 - Aug 05, Economy
Chicago → San Antonio
4h 19m
- • nonstop
Chicago → San Antonio
8h 34m
- • nonstop
United Airlines
Aug 03 - Aug 05, Economy
Chicago → San Antonio
5h 4m
- • nonstop
Chicago → San Antonio
8h 34m
- • nonstop
United Airlines
Aug 03 - Aug 05, Economy
Chicago → San Antonio
4h
10:35 AM - 1:15 PM • nonstop
Chicago → San Antonio
3h 55m
2:50 PM - 5:25 PM • nonstop
Southwest Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
4h 19m
7:58 PM - 10:57 PM • nonstop
Chicago → San Antonio
8h 34m
9:37 AM - 2:51 PM • nonstop
United Airlines
Aug 04 - Aug 06, Economy
Chicago → San Antonio
4h
8:30 PM - 11:10 PM • nonstop
Chicago → San Antonio
3h 55m
2:15 PM - 4:50 PM • nonstop
Southwest Airlines
FAQs on Chicago to San Antonio Flights
What are the airports in Chicago?
ORD,MDW
What’s the most popular airline flying from CHI to SAT?
The most popular airline flying from Chicago to San Antonio are
Can I fly from CHI to SAT non-stop?
Yes, you can fly CHI to SAT non-stop on
Which airlines fly nonstop between Chicago and San Antonio?
The non-stop flights between Chicago and San Antonio are .
What’s the earliest departure time from CHI to SAT Airport?
The earliest flight leaves CHI at 5:00 am and lands in SAT - San Antonio International
What are the airports in San Antonio?
SAT
Can I make changes to my Chicago to San Antonio flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from CHI to SAT?
Read the fare rules of the Chicago to San Antonio air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Chicago and San Antonio?
operate flights between Chicago and San Antonio
How long does a flight from Chicago to San Antonio take?
It takes approximately 3 hour to fly non-stop from CHI to SAT, which is 1041.53 miles by air.
Which airlines provide the cheapest flights from Chicago (CHI) to San Antonio (SAT) ?
In the past couple of days, the cheapest tickets to SAT from CHI were found on WN : USD 596
Do I need a passport to fly between CHI and SAT?
No
What’s the latest departure time from CHI to SAT ?
The last flight leaves CHI at 1:3000 pm
Chicago (CHI) to San Antonio (SAT): Airport Information
| Origin Airport | Chicago All Airport, Chicago, US |
| Destination Airport | San Antonio International , San Antonio, US |
| Distance | 1042 miles |
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to San Antonio (SAT)
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to San Antonio (SAT)
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to San Antonio (SAT)
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to San Antonio (SAT)
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to San Antonio (SAT)
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to San Antonio (SAT)
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to San Antonio (SAT)
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to San Antonio (SAT)
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to San Antonio (SAT)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Texas (US-TX)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Texas (US-TX)
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Flights from Chicago (MDW)
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Flights from San Antonio (SAT)
to Chicago (MDW)
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