Cheap flights from San Antonio (SAT) to Chicago (CHI) from $42

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
SAT — CHI
Sep 26 — Oct 31

The best prices from San Antonio to Chicago are usually found in February or September, booked 34 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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

All the information you need to plan the best SAT to CHI flight in 2023: compare San Antonio to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.

Popular in

June

Cheapest in

February

Round-trip from

$207

One-way from

$78
High demand for flights, 15% potential price rise
Best time to find cheap flights, 19% potential price drop
From San Antonio to Chicago (CHI)
One-way flight from San Antonio to Chicago (CHI)

SAT - CHI

Price

$207 - $364

CHI

Temperature

23 - 73.4 °F

CHI

Rainfall

1.7 - 4.9 inches

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

Travelers have found that booking a Sunday departure is the best way to save up to 41% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save on the cost of your flight from San Antonio to Chicago, book at least 33 days before your planned departure. Booking around this time can save you about 49% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $437 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $589.

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

February can be a great time to fly to Chicago from San Antonio with a flight ticket averaging about $375. Cheapflights users have found deals in the month of February for as cheap as $164. The most expensive prices can be found in the month of June.

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

When flying from San Antonio to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight at noon.

Cheap Spirit Airlines flights from San Antonio to Chicago

Peruse some of the lowest-priced Spirit Airlines flights we've found from San Antonio to Chicago. Deals update often to give you more flight options matching your criteria
  • If you’re traveling from San Antonio to Chicago, one of the more common airlines traveling that route is Spirit Airlines. San Antonio to Chicago flights are typically 30% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $367.79 RT. The cheapest Spirit Airlines flight found for this route was $173. When traveling from San Antonio to Chicago on Spirit Airlines, the most popular airport to depart from is San Antonio Airport and the most popular airport to arrive at is Chicago O'Hare Intl Airport. When flying from San Antonio to Chicago, Spirit Airlines flights are 7% more popular than any other airline flying that same route.

Cheap American Airlines flights from San Antonio to Chicago

Have a look at some of the cheapest available American Airlines flights departing from San Antonio and landing in Chicago. Make sure to examine the flight information before completing your reservation.
  • If you’re traveling from San Antonio to Chicago, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $375.80 RT. This price is typically 63% more expensive than other airlines that offer San Antonio to Chicago flights. When booking this route, the cheapest RT price found was $196. The most popular departure airport in San Antonio when flying to Chicago is San Antonio Airport. The most popular airport to fly into when visiting Chicago is Chicago O'Hare Intl Airport. When flying from San Antonio to Chicago, American Airlines flights are 4% more popular than any other airline flying that same route.

Cheap San Antonio to Chicago flights in September & October 2023

The best prices found for SAT to CHI flights for September, October
The lowest fares we've come across on flights traveling from San Antonio to Chicago in September and October 2023. Check back regularly for other flight deals.

San Antonio to Chicago 2023 flight deals

Cheap flights to Chicago from San Antonio found for this year
The lowest fares we've come across on flights traveling from San Antonio to Chicago in September and October 2023. Check back regularly for other flight deals.

Non-stop flights to Chicago from San Antonio

Save time with San Antonio to Chicago direct flight deals
If you're seeking options on non-stop flights from San Antonio to Chicago, check out these fares. Those looking to potentially save on 1 or 2-stop flights from San Antonio to Chicago should utilize the search form at the the top of the page.

San Antonio to Chicago flights leaving soon

Late deals on return flights to Chicago from San Antonio, departing today and this week
Have a look at some of the flights available from San Antonio to Chicago departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Chicago from San Antonio

The cheapest one-way flights from San Antonio to Chicago
Users in need of a one-way flight from San Antonio to Chicago can choose from these deals. Users can also find round-trip San Antonio to Chicago flights by using the search form above.

Find flights from San Antonio to Chicago within your budget

Use the slider to find flights from San Antonio to Chicago that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$109 - $272

Route

Depart

Return

Price

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Sat 10/21

1 stop13h 35m

Chicago O'Hare Intl

Sat 10/28

1 stop14h 16m

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Wed 10/18

1 stop13h 35m

Chicago O'Hare Intl

Tue 10/24

1 stop11h 09m

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Wed 10/18

1 stop12h 16m

Chicago O'Hare Intl

Tue 10/24

2 stops23h 59m

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Fri 10/27

1 stop7h 58m

Chicago O'Hare Intl

Mon 10/30

1 stop20h 19m

San AntonioChicago Midway

SAT - MDW

SATMDW

San Antonio

Thu 10/26

1 stop23h 53m

Chicago Midway

Sun 10/29

1 stop20h 58m

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Mon 11/13

1 stop11h 52m

Chicago O'Hare Intl

Wed 11/15

1 stop11h 26m

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Wed 10/25

Nonstop2h 47m

Chicago O'Hare Intl

Sat 10/28

Nonstop2h 49m

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Thu 10/12

Nonstop2h 48m

Chicago O'Hare Intl

Sat 10/14

Nonstop2h 59m

San AntonioChicago Midway

SAT - MDW

SATMDW

San Antonio

Wed 10/18

1 stop6h 36m

Chicago Midway

Wed 10/25

1 stop5h 43m

Flights are sorted by cheapest first

Deals found on 9/21

Reviews of airlines servicing Chicago

Read reviews from past customers who have flown Spirit Airlines, American Airlines and United Airlines from San Antonio to Chicago. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Delta
7.9
Good
3,016 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

United Airlines
7.4
Good
1,887 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Volaris
6.5
Okay
532 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Spirit Airlines
6.3
Okay
1,480 reviews
Delta
7.9
Good
3,016 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.0

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Related info for your journey

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

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

If you book a flight to Chicago from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 20 flights from San Antonio to Chicago per day from 5 different airlines.

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

Yes, there are multiple flights from San Antonio to Chicago for under $200. The cheapest flight booked recently is on Spirit Airlines for just $109, but on average you can expect to pay $133.

Are there nonstop flights from San Antonio to Chicago for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from San Antonio to Chicago under $300. A good price for a nonstop flight from San Antonio to Chicago is less than $303.

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

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

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

Days when nonstop flights are available for this flight are: Monday, Thursday, Friday, Saturday.

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

Per day, 9 flights depart from San Antonio to Chicago on average.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 67% of flight departures

How long is the flight from San Antonio to Chicago?

Spirit Airlines and Frontier can get you from San Antonio to Chicago in just under 13h 35m. Your travel time can differ by up to 10h 18m. San Antonio and Chicago are separated by a distance of 1048 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from San Antonio to Chicago round-trip?

Cheapflights users have booked flights from San Antonio to Chicago round-trip from $109. Another airline that can offer you cheap pricing is Frontier. These flights start at 70% lower than the current average price 3 months from now.

What are the most popular routes from San Antonio to Chicago?

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

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

The top 3 most reliable airlines when flying from San Antonio to Chicago are Iberia (92%), ANA (87%) and Aer Lingus (86%).

What are the cheapest flights from San Antonio to Chicago?

On average you can expect to pay $800 for a flight from San Antonio to Chicago. The cheapest flight overall is $123 while the most popular route, (San Antonio - Chicago O'Hare Intl) is currently priced at $117.

What does SAT to ORD mean?

SAT stands for San Antonio Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

Top 5 airlines flying from San Antonio to Chicago

The chart below displays the airlines Cheapflights users traveling from San Antonio to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$170FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$158Average$215FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$173Average$368FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$196Average$376FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$260Average$396FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from San Antonio to Chicago

See what time of day planes typically take off from San Antonio to Chicago
27%of flight departuresEarly morningMidnight to 6 am
27%of flight departuresMorning6 am to noon
46%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Antonio to Chicago

See how many times per day planes take to the skies headed from San Antonio to Chicago
Sunday18daily flights
Monday24daily flights
Tuesday19daily flights
Wednesday19daily flights
Thursday22daily flights
Friday22daily flights
Saturday18daily flights
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