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$119+ Cheap flights from O'Hare Intl (ORD) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SAT
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Antonio are usually found in September or August, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from O'Hare Intl to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$214
(Cheapflightsfares)

One-way from

$119
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$427

Good round-trip deal

$374 or less

Good one-way deal

$173 or less
Provider with most accurate pricing for Chicago O'Hare Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-San Antonio flights.
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From Chicago O'Hare Intl to San Antonio
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One-way flight from Chicago O'Hare Intl to San Antonio
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to San Antonio.
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Price to beat on a one-way flight from Chicago O'Hare Intl to San Antonio.
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Find flight deals from O'Hare Intl to San Antonio

Cheapest flights from O'Hare Intl to San Antonio
Explore the most affordable flight options available from O'Hare Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

This Booking.com deal was found by Cheapflights users on 4/10. 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.
Wed 10/224:38 pmORD - SAT
1 stop21h 17mSpirit Airlines
Mon 10/2712:09 pmSAT - ORD
1 stop10h 19mSpirit Airlines
Deal found 4/10$213
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:45 amORD - SAT
1 stop7h 09mFrontier
Sun 4/209:13 amSAT - ORD
1 stop6h 49mFrontier
Deal found 4/10$218
This Booking.com deal was found by Cheapflights users on 4/9. 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.
Fri 5/910:00 amORD - SAT
1 stop26h 32mMultiple Airlines
Mon 5/123:22 pmSAT - ORD
1 stop8h 19mMultiple Airlines
Deal found 4/9$222
This American Airlines deal was found by Cheapflights users on 4/10. 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 5/72:52 pmORD - SAT
Nonstop2h 51mAmerican Airlines
Wed 5/146:34 pmSAT - ORD
Nonstop2h 55mAmerican Airlines
Deal found 4/10$287
This Southwest deal was found by Cheapflights users on 4/10. 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.
Wed 6/117:30 amORD - SAT
1 stop4h 05mSouthwest
Wed 6/185:45 amSAT - ORD
2 stops8h 15mSouthwest
Deal found 4/10$338
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 5/239:23 amORD - SAT
Nonstop3h 00mUnited Airlines
Mon 5/265:20 pmSAT - ORD
Nonstop3h 05mUnited Airlines
Deal found 4/10$387

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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 2,558,603 searches. Data last updated April 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Antonio that are best for you.

Fly from

O'Hare Intl

Fly to

San Antonio

Route

Depart

Return

Price

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Tue 5/13

6:30 am-12:57 pm

1 stop6h 27m

San Antonio

Tue 5/13

2:37 pm-5:25 am

1 stop14h 48m

$214

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Tue 4/15

6:45 am-1:54 pm

1 stop7h 09m

San Antonio

Sun 4/20

9:13 am-4:02 pm

1 stop6h 49m

$218

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Fri 5/9

10:00 am-12:32 pm

1 stop26h 32m

San Antonio

Mon 5/12

3:22 pm-11:41 pm

1 stop8h 19m

$222

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 5/7

2:52 pm-5:43 pm

Nonstop2h 51m

San Antonio

Wed 5/14

6:34 pm-9:29 pm

Nonstop2h 55m

$287

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 6/11

7:30 am-11:35 am

1 stop4h 05m

San Antonio

Wed 6/18

5:45 am-2:00 pm

2 stops8h 15m

$338

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Fri 5/23

9:23 am-12:23 pm

Nonstop3h 00m

San Antonio

Mon 5/26

5:20 pm-8:25 pm

Nonstop3h 05m

$387

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Sat 4/19

6:45 am-1:17 pm

1 stop6h 32m

$119

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 5/21

12:41 pm-10:51 pm

1 stop10h 10m

$121

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 5/29

8:05 pm-9:53 am

1 stop13h 48m

$130

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Tue 5/13

9:00 am-12:12 pm

Nonstop3h 12m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 15 results
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Compare providers for flights from O'Hare Intl 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 O'Hare Intl to San Antonio in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FareScanPrice Accuracy-Trust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*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 O'Hare Intl Airport-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 O'Hare Intl Airport-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Antonio

How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to San Antonio. Price data was last updated on April 4, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to San Antonio is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Antonio (average of $295). Flying from Chicago O'Hare Intl Airport 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 ORD to SAT?

Find hourly flight availability from O'Hare Intl 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 April 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to San Antonio in the afternoon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to San Antonio. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Antonio flight should consider departing on Tuesday 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 O'Hare Intl Airport to San Antonio

Explore weekly flight availability from O'Hare Intl 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 April 11, 2025.

The most flights from ORD to SAT are scheduled on a Friday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 April 11, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Chicago to San Antonio. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,911 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    San Antonio (SAT) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to San Antonio. You should not have trouble finding flights to San Antonio from Chicago O'Hare Intl; the airport handles an average of 20 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the San Antonio airport from Chicago O'Hare Intl. 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 O'Hare Intl Airport to San Antonio round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to San Antonio is Spirit Airlines. Our recent data shows that you can find tickets from as low as $214 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $218 and $287 round-trip. Spirit Airlines is 48% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to San Antonio one-way?

    One-way options have recently been found by users for as low as $119 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $121 and Sun Country Air from $130 one-way.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to San Antonio?

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to San Antonio consider choosing Air Canada (82%), ANA (82%) or Lufthansa (81%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to San Antonio?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to San Antonio? While on average our users pay $417, our data indicates the cheapest price to be $108. The most popular route (Chicago O'Hare Intl - San Antonio), is priced around $175.

  • Can I find deals for flights from O'Hare Intl to San Antonio that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to San Antonio?

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

  • Can I find deals for business class flights from O'Hare Intl to San Antonio?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Antonio (average of $295). Flying from Chicago O'Hare Intl Airport 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.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
New Braunfels

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Top 4 airlines flying from O'Hare Intl to San Antonio

Discover the top 4 airlines that operate flights from O'Hare Intl 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 2,558,603 searches. Data last updated April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$255FlexibilityNo cancel feeOn-time65%
FrontierCheapest$125Average$174FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$247Average$402FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$324Average$483FlexibilityNo cancel feeOn-time69%

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