Cheap flights from Chicago (CHI) to San Antonio (SAT)

CHI — SAT
Aug 16 — Aug 232

The best prices from Chicago to San Antonio are usually found in October or September, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

How to find the cheapest flight from Chicago (CHI) to San Antonio (SAT)

All the information you need to plan the best CHI to SAT flight in 2022: compare Chicago to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.

CHI - SAT

Price

$283 - $445

SAT

Temperature

51.8 - 84.2 °F

SAT

Rainfall

1.6 - 3.7 inches

Popular inJuneHigh demand for flights, 20% potential price rise
Cheapest inOctoberBest time to find cheap flights, 20% potential price drop
Round-trip from$283From Chicago (CHI) to San Antonio
One-way from$74One-way flight from Chicago (CHI) to San Antonio

What is the cheapest day to fly round-trip from Chicago to San Antonio?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 19% when planning your travel around this day of the week.

How far in advance should I book a flight from Chicago to San Antonio?

Find a great deal and save up to 60% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to San Antonio within the next two weeks, with the cheapest ticket starting at $434.

What is the cheapest month to fly from Chicago to San Antonio?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to San Antonio. Flights to San Antonio from Chicago in October are about $356 on average during October, but can be found for as low as $252.

When is the cheapest time to fly from Chicago to San Antonio (CHI - SAT)?

It’s typically best to fly out from Chicago to San Antonio at noon. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Chicago to San Antonio in August, September 2022

The best prices found for CHI to SAT flights for August, September
Aug 17 - Sep 17
MDW

Chicago Midway

SAT

San Antonio

2 stops

13h 12m
SAT

San Antonio

MDW

Chicago Midway

1 stop

6h 59m
$147

Frontier

Pick Dates

Deal found 11/8/22

Sep 14 - Sep 17
ORD

Chicago O'Hare Intl

SAT

San Antonio

1 stop

23h 13m
SAT

San Antonio

ORD

Chicago O'Hare Intl

1 stop

9h 27m
$148

Multiple Airlines

Pick Dates

Deal found 11/8/22

Sep 10 - Sep 17
MDW

Chicago Midway

SAT

San Antonio

1 stop

23h 55m
SAT

San Antonio

MDW

Chicago Midway

1 stop

6h 59m
$152

Frontier

Pick Dates

Deal found 11/8/22

Chicago to San Antonio 2022 flight deals

Cheap flights to San Antonio from Chicago found for this year
Aug 17 - Sep 17
MDW

Chicago Midway

SAT

San Antonio

2 stops

13h 12m
SAT

San Antonio

MDW

Chicago Midway

1 stop

6h 59m
$147

Frontier

Pick Dates

Deal found 11/8/22

Sep 14 - Sep 17
ORD

Chicago O'Hare Intl

SAT

San Antonio

1 stop

23h 13m
SAT

San Antonio

ORD

Chicago O'Hare Intl

1 stop

9h 27m
$148

Multiple Airlines

Pick Dates

Deal found 11/8/22

Sep 10 - Sep 17
MDW

Chicago Midway

SAT

San Antonio

1 stop

23h 55m
SAT

San Antonio

MDW

Chicago Midway

1 stop

6h 59m
$152

Frontier

Pick Dates

Deal found 11/8/22

Cheap Frontier flights from Chicago to San Antonio

Sep 10 - Sep 17
MDW

Chicago Midway

SAT

San Antonio

1 stop

23h 55m
SAT

San Antonio

MDW

Chicago Midway

1 stop

6h 59m
$152

Frontier

Pick Dates

Deal found 11/8/22

Oct 4 - Oct 15
MDW

Chicago Midway

SAT

San Antonio

1 stop

9h 33m
SAT

San Antonio

MDW

Chicago Midway

1 stop

6h 54m
$160

Frontier

Pick Dates

Deal found 9/8/22

Aug 31 - Sep 6
MDW

Chicago Midway

SAT

San Antonio

1 stop

9h 28m
SAT

San Antonio

MDW

Chicago Midway

1 stop

12h 51m
$161

Frontier

Pick Dates

Deal found 8/8/22

Cheap American Airlines flights from Chicago to San Antonio

Aug 16 - Sep 8
ORD

Chicago O'Hare Intl

SAT

San Antonio

Nonstop

2h 43m
SAT

San Antonio

ORD

Chicago O'Hare Intl

Nonstop

2h 50m
$459

American Airlines

Pick Dates

Deal found 9/8/22

Aug 21 - Aug 26
ORD

Chicago O'Hare Intl

SAT

San Antonio

1 stop

7h 21m
SAT

San Antonio

ORD

Chicago O'Hare Intl

Nonstop

2h 49m
$477

American Airlines

Pick Dates

Deal found 10/8/22

Non-stop flights to San Antonio from Chicago

Save time with Chicago to San Antonio direct flight deals
Sep 4 - Sep 8
ORD

Chicago O'Hare Intl

SAT

San Antonio

Nonstop

2h 43m
SAT

San Antonio

ORD

Chicago O'Hare Intl

Nonstop

2h 50m
$302

American Airlines

Pick Dates

Deal found 9/8/22

Aug 29 - Sep 3
ORD

Chicago O'Hare Intl

SAT

San Antonio

Nonstop

2h 53m
SAT

San Antonio

ORD

Chicago O'Hare Intl

Nonstop

2h 54m
$313

United Airlines

Pick Dates

Deal found 10/8/22

Aug 31 - Sep 3
ORD

Chicago O'Hare Intl

SAT

San Antonio

Nonstop

2h 53m
SAT

San Antonio

ORD

Chicago O'Hare Intl

Nonstop

2h 54m
$317

United Airlines

Pick Dates

Deal found 9/8/22

Last minute flights from Chicago to San Antonio

Late deals on return flights to San Antonio from Chicago, departing today and this week
Aug 18 - Aug 21
ORD

Chicago O'Hare Intl

SAT

San Antonio

1 stop

11h 23m
SAT

San Antonio

ORD

Chicago O'Hare Intl

1 stop

15h 13m
$164

Frontier

Pick Dates

Deal found 9/8/22

Aug 20 - Aug 22
MDW

Chicago Midway

SAT

San Antonio

1 stop

16h 25m
SAT

San Antonio

MDW

Chicago Midway

1 stop

8h 27m
$164

Frontier

Pick Dates

Deal found 10/8/22

Aug 20 - Aug 23
MDW

Chicago Midway

SAT

San Antonio

1 stop

16h 25m
SAT

San Antonio

MDW

Chicago Midway

1 stop

17h 16m
$168

Frontier

Pick Dates

Deal found 8/8/22

One-way flights to San Antonio from Chicago

The cheapest one-way flights from Chicago to San Antonio
Sep 14
ORD

Chicago O'Hare Intl

SAT

San Antonio

1 stop

23h 13m
$74

Multiple Airlines

Pick Dates

Deal found 10/8/22

Sep 14
MDW

Chicago Midway

SAT

San Antonio

1 stop

27h 19m
$74

Frontier

Pick Dates

Deal found 10/8/22

Sep 3
ORD

Chicago O'Hare Intl

SAT

San Antonio

1 stop

23h 09m
$76

Multiple Airlines

Pick Dates

Deal found 10/8/22

Related info for your journey

Useful info, stats and facts about Chicago to San Antonio flights.

What airport do you fly into for flights to San Antonio from Chicago?

San Antonio (SAT) is the airport you will fly into if you book a flight from Chicago to San Antonio. You should not have trouble finding flights to San Antonio from Chicago; the airport handles an average of 18 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the San Antonio airport from Chicago. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

Which airlines flying from Chicago to San Antonio have flexible cancellations due to COVID-19?

Some of our airline partners flying from Chicago to San Antonio have new flexible policies in place due to COVID-19. United Airlines, American Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from Chicago to San Antonio for under $200 on Cheapflights?

Yes, there are multiple flights from Chicago to San Antonio for under $200. The cheapest flight booked recently is on Multiple Airlines for just $148, but on average you can expect to pay $165.

Are there nonstop flights from Chicago to San Antonio for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to San Antonio under $400. A good price for a nonstop flight from Chicago to San Antonio is less than $376.

Are there last-minute flights available from Chicago to San Antonio for under $200?

There are currently 20+ open flights from Chicago to San Antonio within the next 7 days for less than $200.

What days are nonstop flights available from Chicago to San Antonio?

Nonstop flights can be found on the following days: Sunday, Monday, Saturday.

How many flights depart from Chicago to San Antonio on average per day?

1 flight departure from Chicago to San Antonio per day on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Chicago to San Antonio?

Departing from Chicago to San Antonio will take you 23h 55m. The distance between Chicago and San Antonio is about 1048 mi.

What is the cheapest airline to fly from Chicago to San Antonio round-trip?

Cheapflights users have booked flights from Chicago to San Antonio round-trip from $152. Frontier is priced at 57% lower than the current average price of a flight leaving 3 months from now.

What are the most popular airlines that fly from Chicago to San Antonio?

Before booking your flight from Chicago to San Antonio check out the most popular airlines for this route: American Airlines, Delta or Frontier.

What are the most reliable airlines from Chicago to San Antonio?

Consider Envoy Air (100%), Republic Airways (100%) or United Airlines (92%) when booking your flight. These represent the most reliable airlines when flying from Chicago to San Antonio.

What are the cheapest flights from Chicago to San Antonio?

Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Chicago O'Hare Intl - San Antonio) can be booked for $148 on average our data indicates $407 when flying from Chicago to San Antonio.

Alternative routes for Chicago to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Chicago to San Antonio

The chart below displays the airlines Cheapflights users traveling from Chicago to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$104Average$168FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
American AirlinesCheapest$131Average$363FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$185Average$414FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$310Average$515FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Chicago to San Antonio

See what time of day planes typically take off from Chicago to San Antonio
1%of flight departuresEarly morningMidnight to 6 am
25%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
41%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to San Antonio

See how many times per day planes take to the skies headed from Chicago to San Antonio
Sunday18daily flights
Monday18daily flights
Tuesday17daily flights
Wednesday18daily flights
Thursday19daily flights
Friday18daily flights
Saturday21daily flights