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 Frontier. Our recent data shows that you can find tickets from as low as $211 on this airline. Additional options worth looking into are Spirit Airlines and United Airlines, starting at $213 and $297 round-trip. Frontier is 49% 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 Spirit Airlines. Other airlines that offer cheap prices include Frontier from $128 and Sun Country Air from $140 one-way.

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 $490, our data indicates the cheapest price to be $108. The most popular route (Chicago O'Hare Intl - San Antonio), is priced around $201.

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 United Airlines (83%), ANA (81%) or Air Canada (81%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to San Antonio?

American Airlines, Frontier and Spirit Airlines are the most popular airlines when flying from Chicago O'Hare Intl Airport to San Antonio.

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 19% on your flight compared to booking on days when demand is much higher.

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

August can be a great time to fly to San Antonio from Chicago O'Hare Intl Airport with a flight ticket averaging about $400. Cheapflights users have found deals in the month of August for as cheap as $149. The most expensive prices can be found in the month of March.

Most accurate provider : When it comes to deals on Chicago O'Hare Intl Airport-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-San Antonio flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

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 22 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 5 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.

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.

$119+ Flights from Chicago O'Hare Intl Airport to San Antonio - Compare & Save Big

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$211 (CheapOair)
One-way from	$119 (Cheapflightsfares)
Popular in	January
Cheapest in	September
Average price	$427
Good round-trip deal	$349 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 ($31 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 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 29, 2025.

Thu 5/154:15 pmORD - SAT

1 stop27h 16mFrontier

Mon 5/191:43 pmSAT - ORD

1 stop15h 27mFrontier

Deal found 4/28

$211

Mon 6/29:02 pmORD - SAT

1 stop8h 02mSpirit Airlines

Thu 6/51:52 pmSAT - ORD

1 stop6h 16mSpirit Airlines

Deal found 4/28

$213

Sun 6/16:30 amORD - SAT

1 stop6h 27mMultiple Airlines

Mon 6/212:19 pmSAT - ORD

1 stop12h 01mMultiple Airlines

Deal found 4/28

$217

Wed 5/289:23 amORD - SAT

Nonstop3h 00mUnited Airlines

Wed 6/42:10 pmSAT - ORD

Nonstop2h 58mUnited Airlines

Deal found 4/28

$297

Wed 5/288:47 pmORD - SAT

Nonstop3h 03mAmerican Airlines

Sat 6/285:20 pmSAT - ORD

1 stop7h 39mAmerican Airlines

Deal found 4/28

$307

Sat 6/149:40 amORD - SAT

1 stop7h 26mDelta

Sat 6/2112:20 pmSAT - ORD

1 stop7h 10mDelta

Deal found 4/28

$317

Sat 7/54:20 pmORD - SAT

1 stop7h 05mSouthwest

Sat 7/195:50 amSAT - ORD

2 stops9h 10mSouthwest

Deal found 4/27

$327

Best flights from O'Hare Intl to San Antonio
Discover carefully curated flight deals from O'Hare Intl to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Thu 5/154:15 pmORD - SAT

1 stop27h 16mFrontier

Mon 5/191:43 pmSAT - ORD

1 stop15h 27mFrontier

Deal found 4/28

$211

Mon 6/29:02 pmORD - SAT

1 stop8h 02mSpirit Airlines

Thu 6/51:52 pmSAT - ORD

1 stop6h 16mSpirit Airlines

Deal found 4/28

$213

Sun 6/16:30 amORD - SAT

1 stop6h 27mMultiple Airlines

Mon 6/212:19 pmSAT - ORD

1 stop12h 01mMultiple Airlines

Deal found 4/28

$217

Wed 5/289:23 amORD - SAT

Nonstop3h 00mUnited Airlines

Wed 6/42:10 pmSAT - ORD

Nonstop2h 58mUnited Airlines

Deal found 4/28

$297

Wed 6/118:41 pmORD - SAT

Nonstop3h 03mAmerican Airlines

Wed 6/186:31 pmSAT - ORD

Nonstop2h 54mAmerican Airlines

Deal found 4/27

$300

Wed 7/25:59 pmORD - SAT

1 stop6h 18mDelta

Wed 7/910:38 amSAT - ORD

1 stop6h 21mDelta

Deal found 4/26

$317

Sat 7/54:20 pmORD - SAT

1 stop7h 05mSouthwest

Sat 7/195:50 amSAT - ORD

2 stops9h 10mSouthwest

Deal found 4/27

$327

Last-minute flights from O'Hare Intl to San Antonio
Discover last-minute flight deals from O'Hare Intl to San Antonio. Data last updated April 29, 2025 and is based on user searches.

Sat 5/34:15 pmORD - SAT

1 stop17h 37mFrontier

Mon 5/53:22 pmSAT - ORD

1 stop8h 19mFrontier

Deal found 4/28

$218

Mon 5/57:47 pmORD - SAT

2 stops24h 14mSpirit Airlines

Mon 5/127:05 amSAT - ORD

1 stop25h 45mSpirit Airlines

Deal found 4/28

$335

Mon 5/57:10 amORD - SAT

1 stop16h 36mUnited Airlines

Mon 5/127:00 amSAT - ORD

Nonstop2h 55mUnited Airlines

Deal found 4/28

$638

Tue 5/65:56 pmORD - SAT

1 stop30h 03mAlaska Airlines

Mon 5/127:33 pmSAT - ORD

1 stop10h 32mAlaska Airlines

Deal found 4/28

$665

Wed 5/712:41 pmORD - SAT

1 stop10h 10mMultiple Airlines

Fri 5/93:22 pmSAT - ORD

1 stop8h 19mMultiple Airlines

Deal found 4/28

$262

Wed 5/77:30 amORD - SAT

2 stops7h 30mSouthwest

Fri 5/910:40 amSAT - ORD

1 stop4h 20mSouthwest

Deal found 4/28

$822

Thu 5/84:45 pmORD - SAT

1 stop6h 17mAmerican Airlines

Sun 5/113:15 pmSAT - ORD

Nonstop2h 54mAmerican Airlines

Deal found 4/28

$722

Thu 5/81:45 pmORD - SAT

2 stops10h 36mDelta

Sun 5/116:33 amSAT - ORD

1 stop8h 14mDelta

Deal found 4/28

$1,249

Mon 5/125:40 pmORD - SAT

1 stop5h 29mDelta

Tue 5/1312:18 pmSAT - ORD

1 stop6h 30mDelta

Deal found 4/28

$513

Thu 5/154:15 pmORD - SAT

1 stop27h 16mFrontier

Mon 5/193:22 pmSAT - ORD

1 stop8h 19mFrontier

Deal found 4/27

$211

Fri 5/166:59 pmORD - SAT

1 stop18h 43mSpirit Airlines

Sun 5/187:05 amSAT - ORD

1 stop11h 35mSpirit Airlines

Deal found 4/28

$226

Sat 5/246:00 amORD - SAT

1 stop12h 36mMultiple Airlines

Sun 5/252:55 pmSAT - ORD

1 stop8h 34mMultiple Airlines

Deal found 4/28

$224

One-way flights from O'Hare Intl to San Antonio
Search for one-way flight options from O'Hare Intl to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Thu 6/127:32 amORD - SAT

1 stop6h 30mSpirit Airlines

Deal found 4/28

$119

Fri 5/235:10 amORD - SAT

1 stop6h 32mFrontier

Deal found 4/28

$128

Thu 7/176:15 pmORD - SAT

1 stop15h 32mSun Country Air

Deal found 4/28

$140

Fri 5/301:30 pmORD - SAT

Nonstop3h 08mUnited Airlines

Deal found 4/28

$149

Tue 5/277:30 amORD - SAT

2 stops7h 30mSouthwest

Deal found 4/28

$169

Mon 5/268:47 pmORD - SAT

Nonstop3h 03mAmerican Airlines

Deal found 4/28

$174

Sat 5/244:25 pmORD - SAT

1 stop5h 31mDelta

Deal found 4/28

$279

Sun 5/256:00 amORD - SAT

2 stops16h 20mAlaska Airlines

Deal found 4/28

$333

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 5/15

4:15 pm-7:31 pm

1 stop27h 16m

San Antonio

Mon 5/19

1:43 pm-5:10 am

1 stop15h 27m

$211

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Mon 6/2

9:02 pm-5:04 am

1 stop8h 02m

San Antonio

Thu 6/5

1:52 pm-8:08 pm

1 stop6h 16m

$213

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Sun 6/1

6:30 am-12:57 pm

1 stop6h 27m

San Antonio

Mon 6/2

12:19 pm-12:20 am

1 stop12h 01m

$217

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 5/28

9:23 am-12:23 pm

Nonstop3h 00m

San Antonio

Wed 6/4

2:10 pm-5:08 pm

Nonstop2h 58m

$297

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 5/28

8:47 pm-11:50 pm

Nonstop3h 03m

San Antonio

Sat 6/28

5:20 pm-12:59 am

1 stop7h 39m

$307

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Sat 6/14

9:40 am-5:06 pm

1 stop7h 26m

San Antonio

Sat 6/21

12:20 pm-7:30 pm

1 stop7h 10m

$317

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Sat 7/5

4:20 pm-11:25 pm

1 stop7h 05m

San Antonio

Sat 7/19

5:50 am-3:00 pm

2 stops9h 10m

$327

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 6/12

7:32 am-2:02 pm

1 stop6h 30m

$119

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Fri 5/23

5:10 am-11:42 am

1 stop6h 32m

$128

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 7/17

6:15 pm-9:47 am

1 stop15h 32m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 results

Compare providers for flights from O'Hare Intl to San Antonio

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
FareScan	Price Accuracy-	Trust Score*3 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust 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 O'Hare Intl Airport-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-San Antonio flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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?

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?

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?

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

The most flights from ORD to SAT are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in San Antonio 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

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

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

9,949 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,949 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,292 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 22 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 5 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 Frontier. Our recent data shows that you can find tickets from as low as $211 on this airline. Additional options worth looking into are Spirit Airlines and United Airlines, starting at $213 and $297 round-trip. Frontier is 49% 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 Spirit Airlines. Other airlines that offer cheap prices include Frontier from $128 and Sun Country Air from $140 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 United Airlines (83%), ANA (81%) or Air Canada (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 $490, our data indicates the cheapest price to be $108. The most popular route (Chicago O'Hare Intl - San Antonio), is priced around $201.
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

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Other flights to San Antonio

Top 5 airlines flying from O'Hare Intl to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$101	Average$251	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$125	Average$173	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$248	Average$405	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$296	Average$584	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$325	Average$481	FlexibilityNo cancel fee	On-time69%

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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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'Hare Intl to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from O'Hare Intl to San Antonio

Cheapest flights from O'Hare Intl to San AntonioExplore 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 29, 2025.

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 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Antonio that are best for you.

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.

Best time to book a flight from O'Hare Intl to San Antonio

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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 25, 2025.

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

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 29, 2025.

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.

Weekly flight availability from Chicago O'Hare Intl Airport to San Antonio

Rainfall in San Antonio by month

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

Temperature in San Antonio by month

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

Reviews of airlines servicing San Antonio

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.

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?

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to San Antonio round-trip?

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

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

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

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

How can I 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?

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

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

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Alternative routes for O'Hare Intl to San Antonio

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Top 5 airlines flying from O'Hare Intl to San Antonio

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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 29, 2025.