Cheap flights from Chicago, IL to San Antonio, TX

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Tips to know when travelling to San Antonio

Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to San Antonio. The distance between Chicago and San Antonio is 1679 km. The most popular airline for this route is United Airlines. Chicago and San Antonio have 43 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Chicago to San Antonio in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 10.06 - Sun 16.06

AirlineMon 10.06Tue 11.06Wed 12.06Thu 13.06Fri 14.06Sat 15.06Sun 16.06
2332222

Weekly direct flights for Mon 17.06 - Sun 23.06

AirlineMon 17.06Tue 18.06Wed 19.06Thu 20.06Fri 21.06Sat 22.06Sun 23.06
3332322

Weekly direct flights for Mon 24.06 - Sun 30.06

AirlineMon 24.06Tue 25.06Wed 26.06Thu 27.06Fri 28.06Sat 29.06Sun 30.06
2322222

Weekly direct flights for Mon 01.07 - Sun 07.07

AirlineMon 01.07Tue 02.07Wed 03.07Thu 04.07Fri 05.07Sat 06.07Sun 07.07
2221222

Check-in for a flight from Chicago to San Antonio

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes

San Antonio travel tips

1) Most San Antonio residents speak Spanish
2) See the historic buildings that make up the San Antonio Missions National Historical Park
3) Travelling by train? Pay attention to the San Antonio train station

Weather in San Antonio

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January17°C7°C
February19°C9°C
March23°C12°C
April27°C16°C
May30°C20°C
June34°C23°C
July35°C24°C
August36°C25°C
September32°C22°C
October28°C17°C
November21°C12°C
December18°C9°C
Hottest Month
36°C
August
Coldest month
7°C
January
Sunny days
300
days per year

14 day forecast

Thursday
13 Jun
79%
34°C24°C
20 Jun
80%
23°C23°C
Friday
14 Jun
37°C24°C
21 Jun
82%
24°C22°C
Saturday
15 Jun
38°C24°C
22 Jun
34°C22°C
Sunday
16 Jun
87%
39°C23°C
23 Jun
81%
33°C24°C
Monday
17 Jun
86%
36°C25°C
24 Jun
35°C26°C
Tuesday
18 Jun
83%
31°C24°C
25 Jun
38°C27°C
Wednesday
19 Jun
89%
30°C23°C
26 Jun
80%
39°C25°C

Frequently asked questions

How long does it take to travel from Chicago to San Antonio?
What is the flight distance between Chicago and San Antonio?
What airlines offer nonstop (direct) flights between Chicago and San Antonio?
What are the most popular routes to and from Chicago?
What are the most popular routes to and from San Antonio?
Which airports are there in Chicago?
What airports are near Chicago?
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Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and San Antonio?
What is Virtual Interlining and how do I use it?
Which airlines fly between Chicago and San Antonio?
When's the best time to travel between Chicago and San Antonio?
What flights operate between Chicago and San Antonio?
How many airports are there near Chicago?
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What time do nonstop (direct) flights between Chicago and San Antonio depart?
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What time do flights between Chicago and San Antonio depart?
What time do flights between Chicago and San Antonio arrive?

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