Cheap flights from San Antonio, TX to Chicago, IL

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Tips to know when travelling to Chicago

Book your trip to arrive at O Hare International, Chicago Midway International, or Chicago Rockford International. The distance between San Antonio and Chicago is 1679 km. The most popular airline for this route is United Airlines. San Antonio and Chicago have 42 direct flights per week.

Weekly direct flights

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

Weekly direct flights for Sun 09.06 - Sat 15.06

AirlineSun 09.06Mon 10.06Tue 11.06Wed 12.06Thu 13.06Fri 14.06Sat 15.06
2222222

Weekly direct flights for Sun 16.06 - Sat 22.06

AirlineSun 16.06Mon 17.06Tue 18.06Wed 19.06Thu 20.06Fri 21.06Sat 22.06
2222222

Weekly direct flights for Sun 23.06 - Sat 29.06

AirlineSun 23.06Mon 24.06Tue 25.06Wed 26.06Thu 27.06Fri 28.06Sat 29.06
2212121

Weekly direct flights for Sun 30.06 - Sat 06.07

AirlineSun 30.06Mon 01.07Tue 02.07Wed 03.07Thu 04.07Fri 05.07Sat 06.07
2222122

Check-in for a flight from San Antonio to Chicago

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes

Weather in Chicago

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January0°C-6°C
February0°C-5°C
March6°C0°C
April11°C4°C
May17°C10°C
June22°C16°C
July25°C20°C
August25°C19°C
September22°C16°C
October15°C10°C
November8°C3°C
December2°C-1°C
Hottest Month
25°C
July
Coldest month
-6°C
January
Sunny days
252
days per year
Snow days
17
days per year

14 day forecast

Monday
17 Jun
32°C23°C
24 Jun
20°C17°C
Tuesday
18 Jun
29°C23°C
25 Jun
25°C18°C
Wednesday
19 Jun
28°C22°C
26 Jun
27°C21°C
Thursday
20 Jun
88%
26°C20°C
27 Jun
27°C21°C
Friday
21 Jun
29°C20°C
28 Jun
31°C23°C
Saturday
22 Jun
53%
31°C23°C
29 Jun
31°C25°C
Sunday
23 Jun
89%
26°C22°C
30 Jun
80%
31°C25°C

Frequently asked questions

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

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