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Fare Guide

Estimated lowest fares found within 7 days

The cheapest airline(s) flying from Chicago to San Antonio is Frontier Airlines.

Travel Period: December 2024 - November 2025

The cheapest month(s) to fly from Chicago to San Antonio is December.

Dec 2024
Jan 2025
Feb 2025
Mar 2025
Apr 2025
May 2025
Jun 2025
Jul 2025
Aug 2025
Sep 2025
Oct 2025
Nov 2025

The cheapest day(s) of the week to fly from Chicago to San Antonio is Monday.

Sun Sunday
Mon Monday
Tue Tuesday
Wed Wednesday
Thu Thursday
Fri Friday
Sat Saturday

Flight Schedules

Last Updated: Sat, 2 Nov, 2024

Time Earliest
- Earliest
- Latest
Depart Earliest
- Earliest
- Latest
Arrive
- Earliest
- Latest
Duration
- Shortest
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Stopover
All
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- M
- T
- W
- T
- F
- S
- S

19:10 ORD

22:12 SAT

3Hrs, 02m Direct
ORDChicago O'Hare International Airport 19:10 - SAT 22:12 3h 02m Direct
ORDChicago O'Hare International Airport 19:10
SATSan Antonio International Airport 22:12
3h 02m
Direct
American Airlines (AA 431)Boeing 737 800
American Airlines (AA 431)
- M
- -
- -
- -
- -
- -
- -
Boeing 737 800

19:40 ORD

22:49 SAT

3Hrs, 09m Direct
ORDChicago O'Hare International Airport 19:40 - SAT 22:49 3h 09m Direct
ORDChicago O'Hare International Airport 19:40
SATSan Antonio International Airport 22:49
3h 09m
Direct
United Airlines (UA 1504)Boeing 737 700
United Airlines (UA 1504)
- M
- T
- W
- T
- F
- S
- S
Boeing 737 700

20:50 ORD

23:51 SAT

3Hrs, 01m Direct
ORDChicago O'Hare International Airport 20:50 - SAT 23:51 3h 01m Direct
ORDChicago O'Hare International Airport 20:50
SATSan Antonio International Airport 23:51
3h 01m
Direct
American Airlines (AA 431)Boeing 737 800
American Airlines (AA 431)
- -
- -
- -
- T
- F
- -
- S
Boeing 737 800

20:50 ORD

23:53 SAT

3Hrs, 03m Direct
ORDChicago O'Hare International Airport 20:50 - SAT 23:53 3h 03m Direct
ORDChicago O'Hare International Airport 20:50
SATSan Antonio International Airport 23:53
3h 03m
Direct
American Airlines (AA 431)Boeing 737 800
American Airlines (AA 431)
- -
- T
- W
- -
- -
- S
- -
Boeing 737 800

20:55 MDW

23:50 SAT

2Hrs, 55m Direct
MDWChicago Midway Airport 20:55 - SAT 23:50 2h 55m Direct
MDWChicago Midway Airport 20:55
SATSan Antonio International Airport 23:50
2h 55m
Direct
Southwest Airlines (WN 110)Boeing 737 Max 8 Passenger
Southwest Airlines (WN 110)
- -
- -
- -
- T
- F
- -
- S
Boeing 737 Max 8 Passenger

09:07 ORD

12:18 SAT

3Hrs, 11m Direct
ORDChicago O'Hare International Airport 09:07 - SAT 12:18 3h 11m Direct
ORDChicago O'Hare International Airport 09:07
SATSan Antonio International Airport 12:18
3h 11m
Direct
United Airlines (UA 1883)Boeing 737 Max 8 Passenger
United Airlines (UA 1883)
- -
- T
- W
- T
- F
- S
- S
Boeing 737 Max 8 Passenger

09:07 ORD

12:18 SAT

3Hrs, 11m Direct
ORDChicago O'Hare International Airport 09:07 - SAT 12:18 3h 11m Direct
ORDChicago O'Hare International Airport 09:07
SATSan Antonio International Airport 12:18
3h 11m
Direct
United Airlines (UA 1883)Airbus
United Airlines (UA 1883)
- M
- -
- -
- -
- -
- -
- -
Airbus

09:10 MDW

12:10 SAT

3Hrs, 00m Direct
MDWChicago Midway Airport 09:10 - SAT 12:10 3h Direct
MDWChicago Midway Airport 09:10
SATSan Antonio International Airport 12:10
3h
Direct
Southwest Airlines (WN 3568)Boeing 737 800
Southwest Airlines (WN 3568)
- -
- -
- -
- T
- F
- -
- S
Boeing 737 800

09:20 MDW

12:20 SAT

3Hrs, 00m Direct
MDWChicago Midway Airport 09:20 - SAT 12:20 3h Direct
MDWChicago Midway Airport 09:20
SATSan Antonio International Airport 12:20
3h
Direct
Southwest Airlines (WN 1542)Boeing 737 800
Southwest Airlines (WN 1542)
- -
- -
- -
- -
- -
- S
- -
Boeing 737 800

09:45 ORD

12:45 SAT

3Hrs, 00m Direct
ORDChicago O'Hare International Airport 09:45 - SAT 12:45 3h Direct
ORDChicago O'Hare International Airport 09:45
SATSan Antonio International Airport 12:45
3h
Direct
American Airlines (AA 2093)Boeing 737 800
American Airlines (AA 2093)
- M
- -
- -
- -
- -
- -
- -
Boeing 737 800

10:00 ORD

12:58 SAT

2Hrs, 58m Direct
ORDChicago O'Hare International Airport 10:00 - SAT 12:58 2h 58m Direct
ORDChicago O'Hare International Airport 10:00
SATSan Antonio International Airport 12:58
2h 58m
Direct
American Airlines (AA 1112)Boeing 737 800
American Airlines (AA 1112)
- -
- -
- W
- -
- -
- -
- -
Boeing 737 800

10:00 ORD

13:01 SAT

3Hrs, 01m Direct
ORDChicago O'Hare International Airport 10:00 - SAT 13:01 3h 01m Direct
ORDChicago O'Hare International Airport 10:00
SATSan Antonio International Airport 13:01
3h 01m
Direct
American Airlines (AA 1112)Boeing 737 800
American Airlines (AA 1112)
- -
- -
- -
- T
- -
- -
- S
Boeing 737 800

10:00 ORD

12:59 SAT

2Hrs, 59m Direct
ORDChicago O'Hare International Airport 10:00 - SAT 12:59 2h 59m Direct
ORDChicago O'Hare International Airport 10:00
SATSan Antonio International Airport 12:59
2h 59m
Direct
American Airlines (AA 1112)Airbus
American Airlines (AA 1112)
- -
- -
- -
- -
- F
- -
- -
Airbus

10:10 MDW

13:10 SAT

3Hrs, 00m Direct
MDWChicago Midway Airport 10:10 - SAT 13:10 3h Direct
MDWChicago Midway Airport 10:10
SATSan Antonio International Airport 13:10
3h
Direct
Southwest Airlines (WN 3568)Boeing 737 Max 8 Passenger
Southwest Airlines (WN 3568)
- M
- T
- W
- -
- -
- -
- -
Boeing 737 Max 8 Passenger

16:55 MDW

19:50 SAT

2Hrs, 55m Direct
MDWChicago Midway Airport 16:55 - SAT 19:50 2h 55m Direct
MDWChicago Midway Airport 16:55
SATSan Antonio International Airport 19:50
2h 55m
Direct
Southwest Airlines (WN 1542)Boeing 737 700
Southwest Airlines (WN 1542)
- M
- T
- W
- -
- -
- -
- -
Boeing 737 700

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What’s the fastest flight time from Chicago to San Antonio?

The fastest flight time for direct flights from Chicago to San Antonio is 2 hours 55 minutes. Check latest flight schedules & prices on Wego.

What’s the most popular airline flying from Chicago to San Antonio?

The most popular airline flying from Chicago to San Antonio is United Airlines. Find the latest flight deals on Wego.

How far is San Antonio from Chicago?

The flight distance between Chicago and San Antonio is 1694km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 09:07. The last flight of the day departs at 18:20. See the full list of flight times on Wego.

How many airlines offer direct flights from Chicago to San Antonio?

There are 3 airlines that offer direct flights from Chicago to San Antonio. Find out the list of airlines on Wego.

Popular Airlines flying from Chicago to San Antonio

United Airlines ‏()

Popular Destinations from San Antonio

Popular Destinations from Chicago

Popular Hotels in San Antonio

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