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Cheap flights from Chicago to San Antonio from $57

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to San Antonio departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to San Antonio.

Cheap last minute flights

Planning a quick getaway from Chicago to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to San Antonio

Find recent round-trip train or bus tickets from Chicago to San Antonio.

All round-trip flight deals to San Antonio

The cheapest plane tickets to San Antonio found on KAYAK recently.
6:36 pm - 7:45 pmORD-SAT
25h 09m1 stop
7:10 pm - 9:54 amSAT-ORD
14h 44m1 stop
$118Frontier
Find Deal
Thu, Jan 9 - Sat, Jan 11
10:59 am - 6:10 pmORD-SAT
7h 11m1 stop
7:10 pm - 10:28 amSAT-ORD
15h 18m1 stop
$125Frontier
Find Deal
Fri, Dec 13 - Mon, Dec 16
11:24 am - 4:01 pmORD-SAT
28h 37m1 stop
2:07 pm - 5:30 amSAT-ORD
15h 23m1 stop
Tue, Dec 17 - Tue, Dec 31
7:25 am - 12:02 pmORD-SAT
28h 37m1 stop
4:23 pm - 5:30 amSAT-ORD
13h 07m1 stop
Thu, Jan 16 - Tue, Jan 21
5:00 am - 6:32 pmORD-SAT
13h 32m1 stop
2:07 pm - 5:30 amSAT-ORD
15h 23m1 stop
$181Spirit Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 18
5:00 am - 6:32 pmORD-SAT
13h 32m1 stop
2:07 pm - 5:30 amSAT-ORD
15h 23m1 stop
$184Spirit Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 18
5:00 am - 1:46 pmORD-SAT
8h 46m1 stop
6:57 am - 3:17 pmSAT-ORD
8h 20m1 stop
$303American Airlines
Find Deal
Tue, Feb 11 - Tue, Feb 18
10:05 am - 1:29 pmORD-SAT
3h 24mnonstop
6:48 am - 3:21 pmSAT-ORD
8h 33m1 stop
$330American Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
4:55 pm - 7:50 pmMDW-SAT
2h 55mnonstop
8:10 am - 10:40 amSAT-MDW
2h 30mnonstop
$358Southwest
Find Deal
Wed, Dec 4 - Tue, Dec 10
6:40 am - 11:30 amMDW-SAT
4h 50m1 stop
2:55 pm - 5:25 pmSAT-MDW
2h 30mnonstop
$362Southwest
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Wed, Dec 4 - Wed, Dec 4
10:59 am - 6:10 pmORD-SAT
7h 11m1 stop
$57Frontier
Find Deal
Fri, Dec 13
11:24 am - 4:01 pmORD-SAT
28h 37m1 stop
$61Frontier
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Tue, Dec 17
9:10 pm - 1:12 pmORD-SAT
16h 02m1 stop
$76Spirit Airlines
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Tue, Dec 17
1:39 pm - 3:00 pmORD-SAT
25h 21m1 stop
$80Spirit Airlines
Find Deal
Tue, Jan 14
8:02 pm - 11:12 pmORD-SAT
3h 10mnonstop
$179United Airlines
Find Deal
Wed, Dec 25
10:10 am - 1:10 pmMDW-SAT
3h 00mnonstop
$179Southwest
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Tue, Dec 17
8:50 pm - 11:51 pmORD-SAT
3h 01mnonstop
$184American Airlines
Find Deal
Sat, Nov 23
8:55 pm - 11:50 pmMDW-SAT
2h 55mnonstop
$184Southwest
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Sun, Nov 24
10:34 am - 1:33 pmORD-SAT
2h 59mnonstop
$204American Airlines
Find Deal
Sat, Dec 14
8:02 pm - 11:12 pmORD-SAT
3h 10mnonstop
$214United Airlines
Find Deal
Fri, Dec 20
6:13 pm - 11:04 amMDW-SAT
16h 51m1 stop
6:48 pm - 11:44 amSAT-MDW
16h 56m1 stop
$238Frontier
Find Deal
Mon, Nov 18 - Wed, Nov 20
1:09 pm - 4:59 amORD-SAT
15h 50m1 stop
8:06 pm - 4:10 pmSAT-ORD
20h 04m2 stops
$276Spirit Airlines
Find Deal
Sun, Nov 17 - Sat, Nov 23
10:13 pm - 12:22 pmORD-SAT
14h 09m1 stop
9:09 pm - 12:10 pmSAT-ORD
15h 01m1 stop
Fri, Nov 15 - Sat, Nov 16
10:13 pm - 12:22 pmORD-SAT
14h 09m1 stop
10:45 pm - 11:59 pmSAT-ORD
25h 14m1 stop
Fri, Nov 15 - Sun, Nov 17
7:40 pm - 10:49 pmORD-SAT
3h 09mnonstop
5:50 pm - 10:44 pmSAT-ORD
4h 54m1 stop
$737United Airlines
Find Deal
Sun, Nov 17 - Sat, Nov 23
12:45 pm - 7:28 pmORD-SAT
6h 43m1 stop
6:56 pm - 11:59 pmSAT-ORD
5h 03m1 stop
$746United Airlines
Find Deal
Tue, Nov 19 - Fri, Nov 22
10:00 am - 12:58 pmORD-SAT
2h 58mnonstop
6:12 am - 9:00 amSAT-ORD
2h 48mnonstop
$790American Airlines
Find Deal
Tue, Nov 19 - Mon, Dec 2
9:00 am - 1:40 pmORD-SAT
4h 40m1 stop
6:12 am - 9:00 amSAT-ORD
2h 48mnonstop
$800American Airlines
Find Deal
Tue, Nov 19 - Mon, Dec 2
9:10 am - 12:10 pmMDW-SAT
3h 00mnonstop
8:10 am - 10:40 amSAT-MDW
2h 30mnonstop
$941Southwest
Find Deal
Mon, Nov 18 - Wed, Nov 20
8:55 pm - 11:50 pmMDW-SAT
2h 55mnonstop
5:30 pm - 10:35 pmSAT-MDW
5h 05m1 stop
$950Southwest
Find Deal
Mon, Nov 18 - Wed, Nov 20
7:40 pm - 10:49 pmORD-SAT
3h 09mnonstop
2:00 pm - 4:51 pmSAT-ORD
2h 51mnonstop
$357United Airlines
Find Deal
Tue, Dec 17 - Tue, Dec 31
8:35 pm - 11:34 pmORD-SAT
2h 59mnonstop
6:00 am - 8:49 amSAT-ORD
2h 49mnonstop
$358American Airlines
Find Deal
Tue, Dec 17 - Tue, Dec 31
4:55 pm - 7:50 pmMDW-SAT
2h 55mnonstop
8:10 am - 10:40 amSAT-MDW
2h 30mnonstop
$358Southwest
Find Deal
Wed, Dec 4 - Tue, Dec 10
8:50 pm - 11:51 pmORD-SAT
3h 01mnonstop
1:51 pm - 4:42 pmSAT-ORD
2h 51mnonstop
$367American Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
8:35 pm - 11:34 pmORD-SAT
2h 59mnonstop
6:00 am - 8:51 amSAT-ORD
2h 51mnonstop
$381American Airlines
Find Deal
Wed, Dec 11 - Mon, Dec 16
8:35 pm - 11:34 pmORD-SAT
2h 59mnonstop
6:00 am - 8:51 amSAT-ORD
2h 51mnonstop
$382American Airlines
Find Deal
Mon, Dec 9 - Wed, Dec 11
8:25 am - 11:30 amMDW-SAT
3h 05mnonstop
8:10 am - 10:40 amSAT-MDW
2h 30mnonstop
$383Southwest
Find Deal
Wed, Jan 8 - Sat, Jan 11
10:34 am - 1:33 pmORD-SAT
2h 59mnonstop
6:00 am - 8:51 amSAT-ORD
2h 51mnonstop
$383American Airlines
Find Deal
Wed, Dec 11 - Mon, Dec 16
9:10 am - 12:10 pmMDW-SAT
3h 00mnonstop
2:55 pm - 5:25 pmSAT-MDW
2h 30mnonstop
$393Southwest
Find Deal
Sun, Dec 15 - Wed, Dec 18
9:03 am - 12:14 pmORD-SAT
3h 11mnonstop
7:00 am - 9:48 amSAT-ORD
2h 48mnonstop
$407United Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9

Spirit Airlines flights from Chicago to San Antonio

Our best Spirit Airlines deals on Chicago to San Antonio flight tickets
Spirit Airlines
Nov 20
ORD1:09 pmChicago O'Hare Intl
10h 21m
1 stop
SAT11:30 pmSan Antonio
Nov 23
SAT6:25 amSan Antonio
13h 50m
1 stop
ORD8:15 pmChicago O'Hare Intl
Spirit Airlines
Dec 11
ORD5:00 amChicago O'Hare Intl
13h 32m
1 stop
SAT6:32 pmSan Antonio
Dec 18
SAT2:07 pmSan Antonio
15h 23m
1 stop
ORD5:30 amChicago O'Hare Intl
Spirit Airlines
Dec 11
ORD5:00 amChicago O'Hare Intl
13h 32m
1 stop
SAT6:32 pmSan Antonio
Dec 18
SAT2:07 pmSan Antonio
15h 23m
1 stop
ORD5:30 amChicago O'Hare Intl

Frontier flights from Chicago to San Antonio

Our best Frontier deals on Chicago to San Antonio flight tickets
Frontier
Jan 9
ORD6:36 pmChicago O'Hare Intl
25h 09m
1 stop
SAT7:45 pmSan Antonio
Jan 11
SAT7:10 pmSan Antonio
14h 44m
1 stop
ORD9:54 amChicago O'Hare Intl
Frontier
Dec 13
ORD10:59 amChicago O'Hare Intl
7h 11m
1 stop
SAT6:10 pmSan Antonio
Dec 16
SAT7:10 pmSan Antonio
15h 18m
1 stop
ORD10:28 amChicago O'Hare Intl
Frontier
Feb 21
ORD6:48 pmChicago O'Hare Intl
13h 31m
1 stop
SAT8:19 amSan Antonio
Feb 24
SAT7:57 amSan Antonio
17h 02m
1 stop
ORD12:59 amChicago O'Hare Intl

How to get the cheapest flight ticket from Chicago to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

January. The cheapest time of year to fly to San Antonio from Chicago is January. Most expensive is November

What is the cheapest day to depart Chicago for San Antonio?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Chicago to San Antonio?

In the afternoon. Chicago to San Antonio flights are approximately 26% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to San Antonio from Chicago?

Frontier. Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Chicago to San Antonio

What is the cheapest Chicago to San Antonio flight route?

Chicago Midway - San Antonio. Fly from Chicago Midway to San Antonio for the best Chicago - San Antonio flight prices

How far in advance should you book Chicago to San Antonio flights?

36 days before. The cheapest time to buy a flight from Chicago to San Antonio is approximately 36 days to departure

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

The number of flights available between Chicago and San Antonio is 18 per day as of November 2024. The most frequent departure time is 8:00PM, with 69% of daily flights leaving in the evening.

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

130 flights are operational weekly from Chicago to San Antonio as of November 2024. The most popular departure day for this route is Wednesday, with 16% of flights per week taking off on this day.

Can stopping save me money on Chicago to San Antonio flights?

You could potentially save up to 70% on your flight if you consider stops on a Chicago to San Antonio flight.

How have Chicago to San Antonio flight prices changed over time?

As of November 2024, prices for Chicago to San Antonio flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to San Antonio (CHI to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to San Antonio

Best Price Found

$57

Fastest flight time

2h 55m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Chicago in the past 72 hours is $57. The best round-trip flight deal from Chicago to San Antonio found on momondo in the last 72 hours is $118.
The fastest flight from Chicago to San Antonio takes 2h 55m
Direct flights go from Chicago to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is Chicago to San Antonio by plane?

    The straight-line distance from Chicago to San Antonio is 1052.0 mi. A reasonable flight in good conditions will take 2h 55m.

  • When did momondo last update prices for flights from Chicago to San Antonio Airport?

    Prices for flights from Chicago to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to San Antonio Airport?

  • How old do you have to be to fly from Chicago to San Antonio Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to San Antonio?

  • What is the most popular airline from Chicago to San Antonio?


Best airlines flying from Chicago to San Antonio

Compare and see reviews for airlines that fly from Chicago to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $90Free CancellationRating
6.3
8,167 reviews
Search Spirit Airlines flights
FrontierPriceFrom $126Free CancellationRating
6.1
3,551 reviews
Search Frontier flights
SouthwestPriceFrom $131Free CancellationRating
8.1
5,045 reviews
Search Southwest flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
8,788 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
  • Southwest Flights From Chicago to San Antonio

    Southwest is one of the most popular airlines flying from Chicago to San Antonio, operating 12 flights/week on average for this route. A good Southwest flight deal for Chicago to San Antonio starts from $131 round-trip, up to an average price of $393. Our users have rated Southwest at 8.1/10.

  • United Airlines Flights From Chicago to San Antonio

    $256 is the best United Airlines flight deal from Chicago to San Antonio found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $474, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,194 user reviews) flies into San Antonio from Chicago 14 times in an average week so prices can vary.


Why use momondo?

Why should I use momondo to find a flight deal from Chicago to San Antonio?

Finding the right flight to San Antonio from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Chicago to San Antonio with flexible booking policies on momondo?

Yes. All flights to San Antonio from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to San Antonio?

Once all potential Chicago to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Chicago and alert you when they change.


An easier way to manage your San Antonio trip

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