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Cheap flights from San Antonio to Illinois from $60

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 Illinois departing on 1/18. 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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Find the cheapest flights from San Antonio to Illinois

Cheap round-trip flights

These are some of the best round-trip flight deals from San Antonio to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Antonio to Illinois.

Cheap last minute flights

Planning a quick getaway from San Antonio to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Antonio to Illinois

Find recent round-trip train or bus tickets from San Antonio to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
1:02 pm - 12:17 amSAT-MDW
11h 15m1 stop
11:33 am - 6:15 pmMDW-SAT
6h 42m1 stop
$108Frontier
Find Deal
Thu, Jan 16 - Mon, Jan 20
10:27 pm - 8:13 amSAT-STL
9h 46m1 stop
3:53 pm - 5:42 pmSTL-SAT
25h 49m1 stop
$122Frontier
Find Deal
Tue, Dec 17 - Wed, Dec 18
2:07 pm - 10:57 pmSAT-ORD
8h 50m1 stop
12:17 pm - 7:11 pmORD-SAT
6h 54m1 stop
$212Spirit Airlines
Find Deal
Wed, Jan 8 - Sat, Jan 11
5:00 am - 8:54 amSAT-STL
3h 54m1 stop
5:05 am - 9:41 amSTL-SAT
4h 36m1 stop
$218American Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
5:51 pm - 10:21 pmSAT-STL
4h 30m1 stop
2:15 pm - 8:10 pmSTL-SAT
5h 55m1 stop
$223American Airlines
Find Deal
Sat, Jan 4 - Sat, Jan 11
7:00 pm - 11:02 pmSAT-ORD
28h 02m1 stop
6:06 pm - 7:11 pmORD-SAT
25h 05m1 stop
$233Spirit Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
6:31 pm - 11:43 pmSAT-STL
5h 12m1 stop
6:00 am - 12:10 pmSTL-SAT
6h 10m1 stop
$248Delta
Find Deal
Thu, Dec 12 - Sun, Dec 15
2:05 pm - 9:09 pmSAT-MLI
7h 04m1 stop
6:30 am - 12:29 pmMLI-SAT
5h 59m1 stop
$258United Airlines
Find Deal
Mon, Jan 13 - Sun, Jan 19
6:30 am - 2:22 pmSAT-STL
7h 52m1 stop
7:11 pm - 12:07 amSTL-SAT
4h 56m1 stop
$273Delta
Find Deal
Fri, Apr 4 - Mon, Apr 7
12:05 pm - 9:09 pmSAT-MLI
9h 04m2 stops
6:30 am - 3:48 pmMLI-SAT
9h 18m2 stops
$295United Airlines
Find Deal
Mon, Jan 13 - Sun, Jan 19
7:10 pm - 7:22 amSAT-STL
12h 12m1 stop
$60Frontier
Find Deal
Sat, Jan 18
1:02 pm - 12:17 amSAT-MDW
11h 15m1 stop
$60Frontier
Find Deal
Thu, Jan 16
7:37 pm - 9:37 amSAT-ORD
14h 00m1 stop
$81Spirit Airlines
Find Deal
Wed, Dec 11
2:07 pm - 10:57 pmSAT-ORD
8h 50m1 stop
$82Spirit Airlines
Find Deal
Wed, Jan 8
11:50 am - 6:29 pmSAT-STL
6h 39m1 stop
$114Delta
Find Deal
Wed, Dec 18
6:00 am - 2:19 pmSAT-ORD
8h 19m1 stop
$137American Airlines
Find Deal
Tue, Mar 4
7:00 am - 2:36 pmSAT-STL
7h 36m1 stop
$149United Airlines
Find Deal
Tue, Feb 18
5:15 am - 12:19 pmSAT-STL
7h 04m2 stops
$154United Airlines
Find Deal
Wed, Dec 18
9:05 am - 5:35 pmSAT-ORD
8h 30m1 stop
$157American Airlines
Find Deal
Sat, Mar 1
5:25 am - 12:50 pmSAT-MDW
7h 25m1 stop
$180Delta
Find Deal
Tue, Dec 10
1:18 pm - 4:35 amSAT-ORD
15h 17m1 stop
1:09 pm - 1:01 amORD-SAT
11h 52m1 stop
$327Spirit Airlines
Find Deal
Mon, Nov 25 - Mon, Dec 2
5:54 am - 11:43 pmSAT-ORD
17h 49m2 stops
9:54 pm - 1:12 pmORD-SAT
15h 18m1 stop
$342Spirit Airlines
Find Deal
Tue, Nov 26 - Sat, Jan 4
5:55 pm - 11:56 pmSAT-PIA
6h 01m1 stop
3:40 pm - 10:58 pmPIA-SAT
7h 18m1 stop
$388American Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
9:49 pm - 11:44 amSAT-MDW
13h 55m1 stop
7:00 am - 3:10 pmMDW-SAT
8h 10m1 stop
$390Frontier
Find Deal
Mon, Nov 25 - Fri, Nov 29
5:55 pm - 11:56 pmSAT-PIA
6h 01m1 stop
6:00 am - 3:41 pmPIA-SAT
9h 41m2 stops
$393American Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
11:50 am - 6:32 pmSAT-MDW
6h 42m1 stop
5:04 pm - 11:56 pmMDW-SAT
6h 52m1 stop
$416Delta
Find Deal
Tue, Nov 26 - Sat, Jan 4
6:56 pm - 8:45 amSAT-MDW
13h 49m1 stop
7:50 pm - 9:00 amMDW-SAT
13h 10m1 stop
$478Frontier
Find Deal
Tue, Nov 26 - Tue, Dec 3
1:20 pm - 9:01 pmSAT-MLI
7h 41m1 stop
3:55 pm - 10:49 pmMLI-SAT
6h 54m1 stop
$509United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
1:20 pm - 9:01 pmSAT-MLI
7h 41m1 stop
3:55 pm - 11:10 pmMLI-SAT
7h 15m2 stops
$514United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
11:50 am - 6:32 pmSAT-MDW
6h 42m1 stop
5:00 pm - 12:55 amMDW-SAT
7h 55m1 stop
$572Delta
Find Deal
Tue, Nov 26 - Tue, Dec 3
6:00 am - 8:51 amSAT-ORD
2h 51mnonstop
8:45 pm - 11:49 pmORD-SAT
3h 04mnonstop
$347American Airlines
Find Deal
Wed, Dec 11 - Fri, Dec 13
8:10 am - 10:40 amSAT-MDW
2h 30mnonstop
8:55 pm - 11:50 pmMDW-SAT
2h 55mnonstop
$348Southwest
Find Deal
Wed, Dec 18 - Thu, Dec 19
6:00 am - 8:51 amSAT-ORD
2h 51mnonstop
8:35 pm - 11:34 pmORD-SAT
2h 59mnonstop
$351American Airlines
Find Deal
Tue, Dec 10 - Sat, Dec 14
1:50 pm - 4:42 pmSAT-ORD
2h 52mnonstop
8:45 pm - 11:51 pmORD-SAT
3h 06mnonstop
$352American Airlines
Find Deal
Wed, Jan 8 - Sat, Jan 11
12:45 pm - 2:50 pmSAT-STL
2h 05mnonstop
11:50 am - 2:10 pmSTL-SAT
2h 20mnonstop
$358Southwest
Find Deal
Wed, Dec 18 - Wed, Dec 25
3:12 pm - 6:05 pmSAT-ORD
2h 53mnonstop
8:35 pm - 11:34 pmORD-SAT
2h 59mnonstop
$377American Airlines
Find Deal
Sat, Dec 14 - Tue, Dec 17
6:00 am - 9:00 amSAT-ORD
3h 00mnonstop
8:40 pm - 11:59 pmORD-SAT
3h 19mnonstop
$387American Airlines
Find Deal
Wed, Dec 25 - Sat, Dec 28
7:00 am - 9:48 amSAT-ORD
2h 48mnonstop
7:40 pm - 10:49 pmORD-SAT
3h 09mnonstop
$427United Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 10
7:00 am - 9:51 amSAT-ORD
2h 51mnonstop
8:02 pm - 11:12 pmORD-SAT
3h 10mnonstop
$454United Airlines
Find Deal
Sat, Dec 21 - Fri, Dec 27
2:00 pm - 4:51 pmSAT-ORD
2h 51mnonstop
8:02 pm - 11:12 pmORD-SAT
3h 10mnonstop
$468United Airlines
Find Deal
Fri, Dec 20 - Sun, Dec 22

Spirit Airlines flights from San Antonio to Illinois

Our best Spirit Airlines deals on San Antonio to Illinois flight tickets
Spirit Airlines
Jan 8
SAT2:07 pmSan Antonio
8h 50m
1 stop
ORD10:57 pmChicago O'Hare Intl
Jan 11
ORD12:17 pmChicago O'Hare Intl
6h 54m
1 stop
SAT7:11 pmSan Antonio
Spirit Airlines
Jan 16
SAT7:00 pmSan Antonio
28h 02m
1 stop
ORD11:02 pmChicago O'Hare Intl
Jan 20
ORD6:06 pmChicago O'Hare Intl
25h 05m
1 stop
SAT7:11 pmSan Antonio
Spirit Airlines
Jan 8
SAT2:07 pmSan Antonio
22h 23m
2 stops
ORD12:30 pmChicago O'Hare Intl
Jan 11
ORD10:29 amChicago O'Hare Intl
8h 42m
1 stop
SAT7:11 pmSan Antonio

Frontier flights from San Antonio to Illinois

Our best Frontier deals on San Antonio to Illinois flight tickets
Frontier
Jan 16
SAT1:02 pmSan Antonio
11h 15m
1 stop
MDW12:17 amChicago Midway
Jan 20
MDW11:33 amChicago Midway
6h 42m
1 stop
SAT6:15 pmSan Antonio
Frontier
Dec 17
SAT10:27 pmSan Antonio
9h 46m
1 stop
STL8:13 amLambert-St Louis
Dec 18
STL3:53 pmLambert-St Louis
25h 49m
1 stop
SAT5:42 pmSan Antonio
Frontier
Jan 17
SAT1:02 pmSan Antonio
11h 30m
1 stop
ORD12:32 amChicago O'Hare Intl
Jan 19
ORD7:25 amChicago O'Hare Intl
28h 37m
1 stop
SAT12:02 pmSan Antonio

See travel insights to Illinois from

How to get the cheapest flight ticket from San Antonio to Illinois

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 day to depart on your flight to Illinois?

The cheapest day to depart from San Antonio to Illinois is on a Tuesday when prices can be found for as low as $348. Flights from San Antonio to Illinois on a Friday will generally be more expensive and average around $396. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest San Antonio to Illinois flight route?

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

What cabin class options are available on San Antonio to Illinois flights?

There are 4 cabin classes available to choose from on San Antonio to Illinois 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 San Antonio to Illinois flights?

You could potentially save up to 62% on your flight if you consider stops on a San Antonio to Illinois flight.

Cheap San Antonio to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Illinois

Best Price Found

$60

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Illinois

4 airports
The best one-way flight to Illinois from San Antonio in the past 72 hours is $60. The best round-trip flight deal from San Antonio to Illinois found on momondo in the last 72 hours is $108.
The fastest flight from San Antonio to Illinois takes 2h 00m
Direct flights go from San Antonio to Illinois every day.
There are 4 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Greater Peoria (PIA), Lambert-St Louis (STL)

  • When did momondo last update prices for flights from San Antonio Airport to Illinois?

    Prices for flights from San Antonio Airport to Illinois are updated daily.

  • How many operators does momondo search for flights from San Antonio Airport to Illinois?

  • How old do you have to be to fly from San Antonio Airport to Illinois?

    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 San Antonio Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois 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 Illinois?


Best airlines flying from San Antonio to Illinois

Compare and see reviews for airlines that fly from San Antonio to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $111Free CancellationRating
6.3
8,169 reviews
Search Spirit Airlines flights
FrontierPriceFrom $112Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
American AirlinesPriceFrom $190Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $222Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
8,755 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find San Antonio to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Flights from San Antonio to Illinois 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 San Antonio to Illinois?

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 Illinois from San Antonio.

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

Of course. momondo tracks the price of San Antonio to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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