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Cheap flights from San Antonio to Chicago O'Hare Intl Airport from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Chicago O'Hare Intl Airport departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Antonio to Chicago.
Spirit Airlines Logo
1:27 pm - 8:55 amSAT-ORD
19h 28m1 stop
Spirit Airlines Logo
6:59 pm - 1:42 pmORD-SAT
18h 43m1 stop
$181Spirit Airlines
Find Deal
Wed, May 14 - Fri, May 16
 Logo
1:43 pm - 5:10 amSAT-ORD
15h 27m1 stop
 Logo
6:59 pm - 1:42 pmORD-SAT
18h 43m1 stop
Thu, May 8 - Tue, May 13
Frontier Logo
1:43 pm - 5:10 amSAT-ORD
15h 27m1 stop
Frontier Logo
4:15 pm - 9:52 amORD-SAT
17h 37m1 stop
$191Frontier
Find Deal
Thu, May 8 - Sat, May 10
Spirit Airlines Logo
1:27 pm - 8:55 amSAT-ORD
19h 28m1 stop
Spirit Airlines Logo
10:00 am - 12:32 pmORD-SAT
26h 32m1 stop
$192Spirit Airlines
Find Deal
Thu, May 15 - Mon, May 19
Frontier Logo
5:38 pm - 11:59 pmSAT-ORD
6h 21m1 stop
Frontier Logo
5:01 am - 4:43 pmORD-SAT
11h 42m1 stop
$198Frontier
Find Deal
Fri, Jun 6 - Mon, Jun 9
American Airlines Logo
6:32 am - 1:45 pmSAT-ORD
7h 13m1 stop
American Airlines Logo
4:40 pm - 7:24 pmORD-SAT
2h 44mnonstop
$272American Airlines
Find Deal
Tue, Jul 1 - Tue, Jul 1
American Airlines Logo
6:34 pm - 9:29 pmSAT-ORD
2h 55mnonstop
American Airlines Logo
2:55 pm - 5:46 pmORD-SAT
2h 51mnonstop
$297American Airlines
Find Deal
Wed, May 21 - Sat, May 24
Delta Logo
6:25 am - 12:03 pmSAT-ORD
5h 38m1 stop
Delta Logo
5:35 am - 11:15 amORD-SAT
5h 40m1 stop
$327Delta
Find Deal
Tue, Jul 1 - Sat, Jul 5
United Airlines Logo
6:45 am - 9:44 amSAT-ORD
2h 59mnonstop
United Airlines Logo
7:10 am - 1:04 pmORD-SAT
5h 54m1 stop
$333United Airlines
Find Deal
Sun, May 25 - Thu, May 29
United Airlines Logo
2:24 pm - 7:55 pmSAT-ORD
5h 31m1 stop
United Airlines Logo
9:23 am - 12:23 pmORD-SAT
3h 00mnonstop
$337United Airlines
Find Deal
Sat, May 24 - Mon, May 26

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

Our best Delta deals on San Antonio to Chicago O'Hare Intl Airport flight tickets
Delta
Jul 1
SAT6:25 amSan Antonio
5h 38m
1 stop
ORD12:03 pmChicago O'Hare Intl
Jul 1
ORD5:59 pmChicago O'Hare Intl
6h 18m
1 stop
SAT12:17 amSan Antonio
Delta
May 6
SAT5:30 amSan Antonio
7h 09m
1 stop
ORD12:39 pmChicago O'Hare Intl
May 6
ORD5:05 pmChicago O'Hare Intl
5h 35m
1 stop
SAT10:40 pmSan Antonio

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

Our best Frontier deals on San Antonio to Chicago O'Hare Intl Airport flight tickets
Frontier
May 8
SAT1:43 pmSan Antonio
15h 27m
1 stop
ORD5:10 amChicago O'Hare Intl
May 10
ORD4:15 pmChicago O'Hare Intl
17h 37m
1 stop
SAT9:52 amSan Antonio
Frontier
Jun 6
SAT5:38 pmSan Antonio
6h 21m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jun 9
ORD5:01 amChicago O'Hare Intl
11h 42m
1 stop
SAT4:43 pmSan Antonio
Frontier
May 5
SAT1:43 pmSan Antonio
15h 27m
1 stop
ORD5:10 amChicago O'Hare Intl
May 8
ORD8:14 pmChicago O'Hare Intl
16h 29m
1 stop
SAT12:43 pmSan Antonio

See travel insights to Chicago from

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

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 Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from San Antonio averaging around $368.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $460. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $887.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from San Antonio in the evening is the least expensive time of day to depart. momondo users have found prices as low as $238 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $910. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Antonio when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $410 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Antonio for as low as $326 on momondo.

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

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

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

As of April 2025, prices for San Antonio to Chicago O'Hare Intl Airport flights are approximately 91% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$93

Fastest flight time

2h 50m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from San Antonio in the past 72 hours is $93. The best round-trip flight deal from San Antonio to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $181.
The fastest flight from San Antonio to Chicago O'Hare Intl Airport takes 2h 50m
Direct flights go from San Antonio to Chicago O'Hare Intl Airport every day.

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

    San Antonio and Chicago O'Hare Intl are 1048.8 mi apart from one another. A reasonable flight in good conditions will take 2h 50m.

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

    Prices for flights from San Antonio Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


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

Compare and see reviews for airlines that fly from San Antonio to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $111Free CancellationRating
6.3
7,940 reviews
Search Spirit Airlines flights
FrontierPriceFrom $112Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
American AirlinesPriceFrom $253Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,684 reviews
Search United Airlines flights
  • United Airlines Flights From San Antonio to Chicago O'Hare Intl Airport

    United Airlines operates around 13 flights from San Antonio to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $472, but momondo users have found United Airlines deals from San Antonio to Chicago O'Hare Intl Airport from as low as $288 round-trip. United Airlines has been scored 7.4/10 in 8,684 reviews.

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

    The best American Airlines deal for San Antonio to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $253, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $393 round-trip. American Airlines operates 19 flights out of San Antonio into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.


Traveling to a place near Chicago?

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Chicago from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Yes. momondo can track prices for San Antonio to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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