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$82+ Cheap flights from Chicago (CHI) to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SAT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Chicago to San Antonio are usually found in February or January, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Chicago to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

November

Cheapest in

February

Round-trip from

$148
(CheapOair)

One-way from

$82
(Cheapflightsfares)
Provider with most accurate pricing for Chicago (CHI)-San Antonio flight deals.
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From Chicago (CHI) to San Antonio
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One-way flight from Chicago (CHI) to San Antonio
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Find flight deals from Chicago to San Antonio

Cheapest flights from Chicago to San Antonio
Explore the most affordable flight options available from Chicago to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1310:59 amORD - SAT
1 stop7h 11mFrontier
Mon 12/161:02 pmSAT - ORD
1 stop23h 47mFrontier
Deal found 11/19$148
This Frontier deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1212:43 pmMDW - SAT
1 stop30h 47mFrontier
Sun 12/158:20 pmSAT - MDW
1 stop15h 28mFrontier
Deal found 11/20$154
This Booking.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:36 pmORD - SAT
1 stop24h 54mMultiple Airlines
Wed 12/117:37 pmSAT - ORD
1 stop14h 00mMultiple Airlines
Deal found 11/20$167
This eDestinos deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:48 pmMDW - SAT
2 stops15h 21mMultiple Airlines
Tue 12/1710:27 pmSAT - MDW
1 stop23h 05mMultiple Airlines
Deal found 11/20$199
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmORD - SAT
1 stop14h 16mSpirit Airlines
Tue 12/107:37 pmSAT - ORD
1 stop14h 55mSpirit Airlines
Deal found 11/19$201
This American Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/118:35 pmORD - SAT
Nonstop2h 59mAmerican Airlines
Sun 12/156:00 amSAT - ORD
Nonstop2h 51mAmerican Airlines
Deal found 11/21$347
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:40 pmORD - SAT
Nonstop3h 09mUnited Airlines
Thu 12/195:00 amSAT - ORD
1 stop7h 16mUnited Airlines
Deal found 11/20$357
This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/158:55 pmMDW - SAT
Nonstop2h 55mSouthwest
Thu 12/1911:10 amSAT - MDW
1 stop4h 25mSouthwest
Deal found 11/20$357
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:00 amMDW - SAT
1 stop7h 09mDelta
Wed 12/185:20 amSAT - MDW
1 stop6h 38mDelta
Deal found 11/20$366
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/247:55 pmMDW - SAT
1 stop13h 05mVolaris
Tue 11/2610:25 amSAT - MDW
2 stops22h 20mVolaris
Deal found 11/20$604

Find flights from Chicago to San Antonio within your budget

Customize your flight search to find flights from Chicago to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Fri 12/13

10:59 am-6:10 pm

1 stop7h 11m

San Antonio

Mon 12/16

1:02 pm-12:49 pm

1 stop23h 47m

$148

ChicagoSan Antonio

MDW - SAT

MDWSAT

Chicago Midway

Fri 1/10

3:37 pm-6:10 pm

1 stop26h 33m

San Antonio

Mon 1/13

1:02 pm-12:13 am

1 stop11h 11m

$148

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Fri 1/17

10:01 pm-6:15 pm

1 stop20h 14m

San Antonio

Tue 1/21

4:23 pm-5:30 am

1 stop13h 07m

$156

ChicagoSan Antonio

MDW - SAT

MDWSAT

Chicago Midway

Fri 12/13

6:48 pm-10:09 am

2 stops15h 21m

San Antonio

Tue 12/17

10:27 pm-9:32 pm

1 stop23h 05m

$199

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 12/5

9:53 pm-12:09 pm

1 stop14h 16m

San Antonio

Tue 12/10

7:37 pm-10:32 am

1 stop14h 55m

$201

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 2/26

10:15 am-6:42 pm

1 stop8h 27m

San Antonio

Sat 3/1

9:05 am-5:35 pm

1 stop8h 30m

$283

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Fri 1/17

8:03 pm-11:15 pm

Nonstop3h 12m

San Antonio

Tue 1/21

7:00 am-9:51 am

Nonstop2h 51m

$347

ChicagoSan Antonio

MDW - SAT

MDWSAT

Chicago Midway

Sun 12/15

8:55 pm-11:50 pm

Nonstop2h 55m

San Antonio

Thu 12/19

11:10 am-3:35 pm

1 stop4h 25m

$357

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Tue 1/28

5:45 am-12:54 pm

1 stop7h 09m

San Antonio

Tue 2/4

5:30 am-1:43 pm

1 stop8h 13m

$366

ChicagoSan Antonio

MDW - SAT

MDWSAT

Chicago Midway

Sat 1/18

6:00 am-12:54 pm

1 stop6h 54m

San Antonio

Wed 1/22

7:00 am-11:59 am

1 stop4h 59m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 25 results
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Compare providers for flights from Chicago to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to San Antonio in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Chicago to San Antonio

Get recent, data-driven insights about flights from Chicago to San Antonio including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to San Antonio. Price data was last updated on November 15, 2024.

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Chicago to San Antonio (average of $295). Flying from Chicago to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to SAT?

Find hourly flight availability from Chicago to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

It’s typically best to fly out from Chicago to San Antonio in the afternoon. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to San Antonio. Price data was last updated on October 20, 2024.

Travelers seeking maximum savings on their Chicago to San Antonio flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to San Antonio

Explore weekly flight availability from Chicago to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from CHI to SAT are scheduled on a Wednesday (21 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated November 21, 2024.
Get a feel of what it's like to fly with Frontier, Spirit Airlines and American Airlines from Chicago to San Antonio by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Chicago to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 17 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 6 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.

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

    Cheapflights users have booked flights from Chicago to San Antonio round-trip from $148. Other airlines that can offer you cheap pricing are Spirit Airlines, from $201, and American Airlines, from $283. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago to San Antonio one-way?

    One-way options have recently been found by users for as low as $82 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $83 and American Airlines from $157 one-way.

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

    Consider SkyWest Airlines (94%), United Airlines (92%) or American Airlines (91%) 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 $178. While the most popular route (Chicago O'Hare Intl - San Antonio) can be booked for $156 on average our data indicates $368 when flying from Chicago to San Antonio.

  • Can I find deals for flights from Chicago to San Antonio that include hotel bookings?

    Yes. In addition to deals on Chicago to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to San Antonio.

  • Can I find deals for business class flights from Chicago to San Antonio?

    Yes. Cheapflights offers flight deals from Chicago to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Chicago to San Antonio (average of $295). Flying from Chicago to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Chicago to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Chicago to San Antonio

Discover the top 6 airlines that operate flights from Chicago to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$212FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$206FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$131Average$393FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$188Average$376FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$419FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$474FlexibilityNo cancel feeOn-time69%
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