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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 - 9:16 amSAT-STL
20h 14m1 stop
7:09 pm - 12:02 pmSTL-SAT
16h 53m1 stop
$118Frontier
Find Deal
Thu, Jan 30 - Sat, Feb 1
1:02 pm - 12:13 amSAT-MDW
11h 11m1 stop
8:15 am - 12:02 pmMDW-SAT
27h 47m1 stop
$118Frontier
Find Deal
Mon, Jan 13 - Wed, Jan 15
6:00 am - 11:23 amSAT-STL
5h 23m1 stop
5:03 am - 9:22 amSTL-SAT
4h 19m1 stop
$168American Airlines
Find Deal
Tue, Jan 28 - Sat, Feb 8
10:07 am - 4:23 pmSAT-STL
6h 16m1 stop
3:41 pm - 7:41 pmSTL-SAT
4h 00m1 stop
$178American Airlines
Find Deal
Tue, Jan 14 - Sat, Jan 18
4:07 pm - 5:31 amSAT-ORD
13h 24m1 stop
8:30 am - 6:15 pmORD-SAT
9h 45m1 stop
$210Spirit Airlines
Find Deal
Wed, Jan 29 - Mon, Feb 3
4:07 pm - 5:31 amSAT-ORD
13h 24m1 stop
8:00 am - 6:43 pmORD-SAT
10h 43m1 stop
$213Spirit Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
5:48 pm - 10:20 pmSAT-STL
4h 32m1 stop
2:55 pm - 11:14 pmSTL-SAT
8h 19m2 stops
$233United Airlines
Find Deal
Tue, Jan 28 - Sat, Feb 8
5:30 am - 12:16 pmSAT-STL
6h 46m2 stops
6:15 am - 1:24 pmSTL-SAT
7h 09m1 stop
$253United Airlines
Find Deal
Thu, Jan 9 - Sun, Jan 12
6:30 am - 9:00 amSAT-MDW
2h 30mnonstop
7:05 pm - 10:10 pmMDW-SAT
3h 05mnonstop
$350Southwest
Find Deal
Tue, Feb 11 - Thu, Feb 13
6:30 am - 9:00 amSAT-MDW
2h 30mnonstop
5:20 am - 10:00 amMDW-SAT
4h 40m1 stop
$359Southwest
Find Deal
Wed, Feb 12 - Tue, Feb 18
7:10 pm - 7:22 amSAT-STL
12h 12m1 stop
$60Frontier
Find Deal
Sat, Jan 18
5:38 pm - 5:00 amSAT-ORD
11h 22m1 stop
$60Frontier
Find Deal
Mon, Feb 24
5:45 am - 10:48 amSAT-STL
5h 03m1 stop
$84American Airlines
Find Deal
Thu, Jan 16
4:07 pm - 5:31 amSAT-ORD
13h 24m1 stop
$103Spirit Airlines
Find Deal
Tue, Jan 28
4:07 pm - 10:55 pmSAT-ORD
30h 48m3 stops
$105Spirit Airlines
Find Deal
Tue, Jan 14
7:21 am - 3:38 pmSAT-STL
8h 17m2 stops
$129United Airlines
Find Deal
Thu, Jan 9
5:30 am - 9:51 amSAT-STL
4h 21m1 stop
$149United Airlines
Find Deal
Wed, Mar 19
11:30 am - 1:35 pmSAT-STL
2h 05mnonstop
$160Southwest
Find Deal
Tue, Feb 18
6:00 am - 8:51 amSAT-ORD
2h 51mnonstop
$175American Airlines
Find Deal
Mon, Jan 20
5:40 am - 8:10 amSAT-MDW
2h 30mnonstop
$175Southwest
Find Deal
Fri, Jan 17
6:00 am - 10:56 amSAT-MLI
4h 56m1 stop
6:12 am - 11:40 amMLI-SAT
5h 28m1 stop
$388American Airlines
Find Deal
Thu, Dec 19 - Mon, Dec 23
7:48 am - 5:10 pmSAT-MLI
9h 22m2 stops
5:37 pm - 11:59 pmMLI-SAT
6h 22m1 stop
$393American Airlines
Find Deal
Thu, Dec 19 - Mon, Dec 23
3:41 pm - 11:46 pmSAT-ORD
8h 05m1 stop
10:59 am - 4:57 pmORD-SAT
29h 58m1 stop
$438Frontier
Find Deal
Mon, Dec 23 - Thu, Jan 2
2:18 pm - 8:29 pmSAT-STL
30h 11m1 stop
5:45 pm - 4:24 pmSTL-SAT
22h 39m1 stop
$448Frontier
Find Deal
Thu, Dec 19 - Mon, Dec 23
5:00 am - 3:05 pmSAT-MLI
10h 05m2 stops
5:39 pm - 11:12 pmMLI-SAT
5h 33m1 stop
$463United Airlines
Find Deal
Thu, Dec 19 - Mon, Dec 23
5:00 am - 2:36 pmSAT-ORD
9h 36m1 stop
9:54 pm - 1:12 pmORD-SAT
15h 18m1 stop
$520Spirit Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 29
2:07 pm - 5:30 amSAT-ORD
15h 23m1 stop
9:35 pm - 1:12 pmORD-SAT
15h 37m2 stops
$555Spirit Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
2:00 pm - 9:30 pmSAT-PIA
7h 30m1 stop
3:36 pm - 11:15 pmPIA-SAT
7h 39m1 stop
$584United Airlines
Find Deal
Mon, Dec 23 - Tue, Jan 21
2:50 pm - 8:35 pmSAT-MDW
5h 45m2 stops
7:00 pm - 1:15 amMDW-SAT
6h 15m1 stop
$721Southwest
Find Deal
Mon, Dec 23 - Mon, Dec 30
5:05 pm - 7:40 pmSAT-MDW
2h 35mnonstop
8:05 am - 11:05 amMDW-SAT
3h 00mnonstop
$751Southwest
Find Deal
Sat, Dec 21 - Sat, Jan 4
7:00 am - 9:51 amSAT-ORD
2h 51mnonstop
8:03 pm - 11:15 pmORD-SAT
3h 12mnonstop
$349United Airlines
Find Deal
Tue, Jan 7 - Sat, Jan 11
6:30 am - 9:00 amSAT-MDW
2h 30mnonstop
7:05 pm - 10:10 pmMDW-SAT
3h 05mnonstop
$350Southwest
Find Deal
Tue, Feb 11 - Thu, Feb 13
6:00 am - 8:51 amSAT-ORD
2h 51mnonstop
10:15 am - 1:13 pmORD-SAT
2h 58mnonstop
$358American Airlines
Find Deal
Sat, Jan 11 - Sat, Jan 18
1:50 pm - 4:42 pmSAT-ORD
2h 52mnonstop
8:45 pm - 11:51 pmORD-SAT
3h 06mnonstop
$363American Airlines
Find Deal
Wed, Feb 5 - Mon, Feb 10
6:30 am - 9:00 amSAT-MDW
2h 30mnonstop
3:15 pm - 6:15 pmMDW-SAT
3h 00mnonstop
$364Southwest
Find Deal
Fri, Jan 10 - Tue, Jan 14
11:30 am - 1:35 pmSAT-STL
2h 05mnonstop
12:30 pm - 2:55 pmSTL-SAT
2h 25mnonstop
$378Southwest
Find Deal
Thu, Feb 6 - Mon, Feb 10
1:50 pm - 4:42 pmSAT-ORD
2h 52mnonstop
8:45 pm - 11:51 pmORD-SAT
3h 06mnonstop
$383American Airlines
Find Deal
Thu, Jan 23 - Mon, Jan 27
12:10 pm - 2:15 pmSAT-STL
2h 05mnonstop
5:55 pm - 8:20 pmSTL-SAT
2h 25mnonstop
$384Southwest
Find Deal
Tue, Jan 28 - Sat, Feb 8
7:00 am - 9:51 amSAT-ORD
2h 51mnonstop
7:55 pm - 11:10 pmORD-SAT
3h 15mnonstop
$386United Airlines
Find Deal
Fri, Feb 21 - Sun, Feb 23
1:50 pm - 4:42 pmSAT-ORD
2h 52mnonstop
8:45 pm - 11:51 pmORD-SAT
3h 06mnonstop
$388American Airlines
Find Deal
Thu, Jan 23 - Sat, Jan 25

Frontier flights from San Antonio to Illinois

Our best Frontier deals on San Antonio to Illinois flight tickets
Frontier
Jan 13
SAT1:02 pmSan Antonio
11h 11m
1 stop
MDW12:13 amChicago Midway
Jan 15
MDW8:15 amChicago Midway
27h 47m
1 stop
SAT12:02 pmSan Antonio
Frontier
Jan 9
SAT8:20 pmSan Antonio
23h 05m
1 stop
ORD7:25 pmChicago O'Hare Intl
Jan 12
ORD4:11 pmChicago O'Hare Intl
25h 58m
1 stop
SAT6:09 pmSan Antonio
Frontier
Jan 18
SAT7:10 pmSan Antonio
14h 52m
1 stop
MDW10:02 amChicago Midway
Jan 24
MDW3:37 pmChicago Midway
26h 38m
1 stop
SAT6:15 pmSan Antonio

American Airlines flights from San Antonio to Illinois

Our best American Airlines deals on San Antonio to Illinois flight tickets
American Airlines
Jan 28
SAT6:00 amSan Antonio
5h 23m
1 stop
STL11:23 amLambert-St Louis
Feb 8
STL5:03 amLambert-St Louis
4h 19m
1 stop
SAT9:22 amSan Antonio
American Airlines
Jan 14
SAT10:07 amSan Antonio
6h 16m
1 stop
STL4:23 pmLambert-St Louis
Jan 18
STL3:41 pmLambert-St Louis
4h 00m
1 stop
SAT7:41 pmSan Antonio
American Airlines
Jan 11
SAT6:43 amSan Antonio
6h 02m
1 stop
STL12:45 pmLambert-St Louis
Jan 13
STL5:12 pmLambert-St Louis
5h 50m
1 stop
SAT11:02 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 month to fly to Illinois?

The cheapest month to fly to Illinois from San Antonio is in April. Flight prices, which tend to average around $258, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $319.

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 $351. Flights from San Antonio to Illinois on a Sunday will generally be more expensive and average around $400. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from San Antonio to Illinois during this time can be as low as $278. Flights at noon are often more expensive with an average ticket price of $396.

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

How far in advance should I book a flight to Illinois?

The best time to book a flight to Illinois from San Antonio is 33 days out, which is when prices tend to be around $387. In the past 72 hours, momondo users found flights from San Antonio to Illinois for as low as $216.

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

3 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 $118.
The fastest flight from San Antonio to Illinois takes 2h 00m
Direct flights go from San Antonio to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), 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
8,119 reviews
Search Spirit Airlines flights
FrontierPriceFrom $112Free CancellationRating
6.1
3,479 reviews
Search Frontier flights
American AirlinesPriceFrom $190Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $222Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
8,604 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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