How many flights depart from Chicago O'Hare Intl Airport to San Antonio on average per week?

115 flights are operational weekly from Chicago O'Hare Intl Airport to San Antonio as of November 2025. The most popular departure day for this route is Wed, with 19% of flights per week taking off on this day.

What is the cheapest airline that flies from Chicago O'Hare Intl to San Antonio?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Chicago O'Hare Intl to San Antonio

How many flights depart from Chicago O'Hare Intl Airport to San Antonio on average per day?

As of November 2025, 16 flights take off from Chicago O'Hare Intl Airport and land in San Antonio each day. The most common flight departure time for this route is 6:00PM, with 56% of daily flights taking off in the evening.

What airlines fly to San Antonio?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to San Antonio from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

Which airlines fly direct from Chicago to San Antonio?

A good number of airline operators offer one-way flights from Chicago to San Antonio. Each airline offers something different in terms of amenities, comfort, and prices, so it is up to you to determine the most convenient one. For example, American Airlines offers daily Chicago to San Antonio flights departing from O'Hare International Airport (ORD) and landing at San Antonio International Airport (SAT) in less than 3h. Some of the amenities you get with American Airlines include streaming, on-demand, and live TV, free snacks, wireless internet that can facilitate Netflix streaming (at a fee), and comfortable seats. United Airlines flights are a bit over 3h, also departing and landing in similar airports. The difference comes in with the amenities, as United Airlines offers free wireless internet that can only facilitate basic web browsing and premium snacks at a fee. You could also go for the cheap flights from Chicago to San Antonio with a layover in Denver offered by Frontier.

What is the best way to get in and out of airports in Chicago and San Antonio?

To get to O’Hare International Airport from downtown Chicago, you can take the I-90 W and it will only be about 20min before you are in the airport ready for your flights from Chicago to San Antonio. Here, you can either choose to take a taxi or rental car, both of which offer the most convenience. There are plenty of rental car locations all over downtown Chicago, so finding one should be easy. Taxis can pick you up at any point you like. The alternative to that would be the blue line train, which goes from La Salle Station towards Cumberland, which is less than a mile from O’Hare Airport. To get to downtown San Antonio from the airport, you can take the Metropolitan Transit bus route 5, which operates between the airport and San Antonio every day. The buses can be found at Airport Blvd and will drop you at N. St Mary’s & Lexington, which is a short walk from downtown. If you have loads of luggage and want to avoid walking too far, you could take a car rental from the airport, which affords more convenience and flexibility. Which cities can you get to from San Antonio Airport? After your flight from Chicago to San Antonio has landed at San Antonio Airport, you have access to some of the most beautiful towns in Texas. Concan, for example, is an amazing summer treat in the outskirts of San Antonio which is accessible via the US-90 E. Other cities in proximity to San Antonio include Fredericksburg, Boerne, and Austin.

What are the benefits of the different airports in Chicago and San Antonio?

There are plenty of benefits of traveling through O'Hare International Airport (ORD). For starters, there are about 15 lounges around the airport to accommodate waiting passengers. These lounges have comfortable sitting and sleeping space as well as spacious workstations which can come in handy in case you want to get some work done before boarding your flight. Also, considering Chicago’s vibrant food scene, there are dining options practically at every corner of the airport. From classic Chicago-style hotdogs to that famous deep-dish pizza and even American steaks, it’s amazing how many dining options there are. In San Antonio, the only alternative to San Antonio International would be Austin Bergstrom International Airport, which is under anh away from San Antonio. However, considering that passenger traffic is higher in Austin compared to San Antonio, you’ll be better off flying into San Antonio.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Antonio Airport?

Prices for flights from Chicago O'Hare Intl Airport to San Antonio Airport refresh daily.

How old do you have to be to fly from Chicago O'Hare Intl Airport to San Antonio Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to San Antonio Airport.

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

The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$61 Cheap Flights from Chicago O'Hare Intl Airport to San Antonio in 2025/26

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9:06 pm - 1:00 pmORD-SAT

15h 54m1 stop

7:00 am - 6:05 amSAT-ORD

23h 05m1 stop

$161Spirit Airlines

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mié., dic. 10 - mar., dic. 16

6:00 am - 4:08 pmORD-SAT

10h 08m1 stop

5:07 pm - 12:08 amSAT-ORD

7h 01m1 stop

$164Frontier

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lun., nov. 24 - mié., nov. 26

6:00 pm - 2:07 pmORD-SAT

20h 07m2 stops

10:13 am - 6:46 pmSAT-ORD

8h 33m1 stop

$169Frontier

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sáb., feb. 21 - jue., feb. 26

10:39 am - 11:52 pmORD-SAT

13h 13m1 stop

1:20 pm - 9:33 pmSAT-ORD

8h 13m1 stop

$170Multiple Airlines

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jue., ene. 29 - lun., feb. 2

9:06 pm - 6:59 pmORD-SAT

21h 53m1 stop

3:06 pm - 12:12 amSAT-ORD

9h 06m1 stop

$171Multiple Airlines

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mar., dic. 9 - jue., dic. 11

3:49 pm - 11:52 pmORD-SAT

8h 03m1 stop

11:17 am - 9:24 pmSAT-ORD

10h 07m1 stop

$174Multiple Airlines

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sáb., ene. 17 - lun., ene. 19

6:35 pm - 4:08 pmORD-SAT

21h 33m1 stop

5:07 pm - 3:12 pmSAT-ORD

22h 05m1 stop

$176Frontier

Find Deal

jue., nov. 27 - lun., dic. 1

10:12 am - 6:32 pmORD-SAT

8h 20m1 stop

7:00 am - 12:13 amSAT-ORD

17h 13m1 stop

$177Multiple Airlines

Find Deal

mié., dic. 3 - sáb., dic. 6

8:00 am - 8:15 amORD-SAT

24h 15m2 stops

7:00 am - 12:13 amSAT-ORD

17h 13m1 stop

$178Multiple Airlines

Find Deal

mié., dic. 3 - sáb., dic. 6

9:06 pm - 6:59 pmORD-SAT

21h 53m1 stop

7:00 am - 6:05 amSAT-ORD

23h 05m1 stop

$179Spirit Airlines

Find Deal

mar., dic. 9 - mar., dic. 16

Spirit Airlines flights from Chicago O'Hare Intl Airport to San Antonio

Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to San Antonio flight tickets

Spirit Airlines

Dec 10

ORD9:06 pmChicago O'Hare Intl

15h 54m

1 stop

SAT1:00 pmSan Antonio

Dec 16

SAT7:00 amSan Antonio

23h 05m

1 stop

ORD6:05 amChicago O'Hare Intl

$161

Find similar

Spirit Airlines

Dec 9

ORD9:06 pmChicago O'Hare Intl

21h 53m

1 stop

SAT6:59 pmSan Antonio

Dec 16

SAT7:00 amSan Antonio

23h 05m

1 stop

ORD6:05 amChicago O'Hare Intl

$179

Find similar

Spirit Airlines

Nov 19

ORD1:48 pmChicago O'Hare Intl

23h 29m

2 stops

SAT1:17 pmSan Antonio

Dec 2

SAT7:37 pmSan Antonio

13h 40m

1 stop

ORD9:17 amChicago O'Hare Intl

$186

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Frontier flights from Chicago O'Hare Intl Airport to San Antonio

Our best Frontier deals on Chicago O'Hare Intl Airport to San Antonio flight tickets

Frontier

Nov 24

ORD6:00 amChicago O'Hare Intl

10h 08m

1 stop

SAT4:08 pmSan Antonio

Nov 26

SAT5:07 pmSan Antonio

7h 01m

1 stop

ORD12:08 amChicago O'Hare Intl

$164

Find similar

Frontier

Nov 22

ORD12:29 pmChicago O'Hare Intl

30h 15m

2 stops

SAT6:44 pmSan Antonio

Nov 27

SAT3:23 pmSan Antonio

8h 47m

1 stop

ORD12:10 amChicago O'Hare Intl

$166

Find similar

Frontier

Feb 21

ORD6:00 pmChicago O'Hare Intl

20h 07m

2 stops

SAT2:07 pmSan Antonio

Feb 26

SAT10:13 amSan Antonio

8h 33m

1 stop

ORD6:46 pmChicago O'Hare Intl

$169

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Route

Depart

Return

Price

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

mié. 12/10

9:06 pm-1:00 pm

1 stop15h 54m

San Antonio

mar. 12/16

7:00 am-6:05 am

1 stop23h 05m

$161

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

lun. 11/24

6:00 am-4:08 pm

1 stop10h 08m

San Antonio

mié. 11/26

5:07 pm-12:08 am

1 stop7h 01m

$164

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

sáb. 2/21

6:00 pm-2:07 pm

2 stops20h 07m

San Antonio

jue. 2/26

10:13 am-6:46 pm

1 stop8h 33m

$169

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

jue. 1/29

10:39 am-11:52 pm

1 stop13h 13m

San Antonio

lun. 2/2

1:20 pm-9:33 pm

1 stop8h 13m

$170

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

mar. 12/9

9:06 pm-6:59 pm

1 stop21h 53m

San Antonio

jue. 12/11

3:06 pm-12:12 am

1 stop9h 06m

$171

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

sáb. 1/17

3:49 pm-11:52 pm

1 stop8h 03m

San Antonio

lun. 1/19

11:17 am-9:24 pm

1 stop10h 07m

$174

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

jue. 11/27

6:35 pm-4:08 pm

1 stop21h 33m

San Antonio

lun. 12/1

5:07 pm-3:12 pm

1 stop22h 05m

$176

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

mié. 12/3

10:12 am-6:32 pm

1 stop8h 20m

San Antonio

sáb. 12/6

7:00 am-12:13 am

1 stop17h 13m

$177

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

mié. 12/3

8:00 am-8:15 am

2 stops24h 15m

San Antonio

sáb. 12/6

7:00 am-12:13 am

1 stop17h 13m

$178

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

mar. 12/9

9:06 pm-6:59 pm

1 stop21h 53m

San Antonio

mar. 12/16

7:00 am-6:05 am

1 stop23h 05m

$179

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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

Prices

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What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Chicago O'Hare Intl Airport during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $333.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $392. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $453.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Chicago O'Hare Intl Airport to San Antonio at noon for as low as $386. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $425. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago O'Hare Intl to San Antonio flight route?

Fly from Chicago O'Hare Intl to San Antonio for the best Chicago O'Hare Intl - San Antonio flight prices

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

You are more likely to see cheaper flights to San Antonio from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Chicago O'Hare Intl Airport for as low as $307 on momondo.

What cabin class options are available on Chicago O'Hare Intl to San Antonio flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to San Antonio flights?

You could potentially save up to 18% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Antonio flight.

How have Chicago O'Hare Intl Airport to San Antonio flight prices changed over time?

As of November 2025, prices for Chicago O'Hare Intl Airport to San Antonio flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to San Antonio according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to San Antonio (ORD to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Antonio

Best Price Found	$223
Fastest flight time	3h 01m
Direct flights	Every day
Airports in San Antonio	1 airport

The best one-way flight to San Antonio from Chicago O'Hare Intl Airport in the past 72 hours is $223. The best round-trip flight deal from Chicago O'Hare Intl Airport to San Antonio found on momondo in the last 72 hours is $333.

The fastest flight from Chicago O'Hare Intl Airport to San Antonio takes 3h 01m

Direct flights go from Chicago O'Hare Intl Airport to San Antonio every day.

There is 1 airport near San Antonio: San Antonio (SAT)

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How far is Chicago O'Hare Intl to San Antonio by plane?
The distance between Chicago O'Hare Intl and San Antonio is about 1048.8 mi. Typically, this will take 6h 14m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Antonio Airport?
Prices for flights from Chicago O'Hare Intl Airport to San Antonio Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Antonio Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to San Antonio Airport is 5 as of November 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to San Antonio?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and San Antonio, the leading plane model is Airbus A319, making up 30.03% of the total bookings. Other popular models include Boeing 737-700 with 13.24%, Airbus A320-100/200 with 8.76%, and Embraer 175 (Enhanced Winglets) with 8.03%.
What is the most popular airline from Chicago O'Hare Intl Airport to San Antonio?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to San Antonio is American Airlines, representing 56% of all bookings. The subsequent popular airlines are United Airlines at 33%, Frontier at 6%, and Spirit Airlines at 4%.

Best airlines flying from Chicago O'Hare Intl Airport to San Antonio

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $125	Free Cancellation	Rating 5.8 3,109 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $172	Free Cancellation	Rating 6.3 8,139 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $203	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $212	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
American Airlines	PriceFrom $214	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to San Antonio
United Airlines flight deals from Chicago O'Hare Intl Airport to San Antonio start from $212 round-trip. Over the 16 United Airlines flights for this route in a normal week, average airfare is usually $448 round-trip - but some users have found much cheaper deals with momondo.
American Airlines Flights From Chicago O'Hare Intl Airport to San Antonio
American Airlines (7.2/10 from 11,051 reviews) operates around 12 flights from Chicago O'Hare Intl Airport to San Antonio in any given week. The average American Airlines airfare for this route is around $401, with deals from around $214 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to San Antonio flight searches in the last 72 hours.

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Boerne

Kerrville

Schertz

Pleasanton

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

Flights from Chicago to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Chicago.

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Chicago O'Hare Intl Airport during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $333.

What is the cheapest day to depart on your flight to San Antonio?

What is the cheapest time of day to depart on your flight to San Antonio?

What is the cheapest Chicago O'Hare Intl to San Antonio flight route?

Fly from Chicago O'Hare Intl to San Antonio for the best Chicago O'Hare Intl - San Antonio flight prices

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

What cabin class options are available on Chicago O'Hare Intl to San Antonio flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to San Antonio flights?

You could potentially save up to 18% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Antonio flight.

How have Chicago O'Hare Intl Airport to San Antonio flight prices changed over time?

As of November 2025, prices for Chicago O'Hare Intl Airport to San Antonio flights are approximately 17% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago O'Hare Intl to San Antonio?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Chicago O'Hare Intl to San Antonio

What airlines fly to San Antonio?

How many flights depart from Chicago O'Hare Intl Airport to San Antonio on average per day?

As of November 2025, 16 flights take off from Chicago O'Hare Intl Airport and land in San Antonio each day. The most common flight departure time for this route is 6:00PM, with 56% of daily flights taking off in the evening.

How many flights depart from Chicago O'Hare Intl Airport to San Antonio on average per week?

115 flights are operational weekly from Chicago O'Hare Intl Airport to San Antonio as of November 2025. The most popular departure day for this route is Wed, with 19% of flights per week taking off on this day.

When to book flights from Chicago O'Hare Intl Airport to San Antonio

Cheap Chicago O'Hare Intl Airport to San Antonio (ORD to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Antonio

Best Price Found

Fastest flight time

Direct flights

Airports in San Antonio

How far is Chicago O'Hare Intl to San Antonio by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Antonio Airport?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Antonio Airport?

How old do you have to be to fly from Chicago O'Hare Intl Airport to San Antonio Airport?

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

What is the most popular plane model from Chicago O'Hare Intl Airport to San Antonio?

What is the most popular airline from Chicago O'Hare Intl Airport to San Antonio?

Best airlines flying from Chicago O'Hare Intl Airport to San Antonio

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Antonio with momondo

United Airlines Flights From Chicago O'Hare Intl Airport to San Antonio

American Airlines Flights From Chicago O'Hare Intl Airport to San Antonio

Traveling to a place near San Antonio?

Why use momondo?

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

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

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

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

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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