Cheap flights from San Antonio (SAT) to Illinois from $58
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 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAT — ORD
Jun 3 — Jun 101
From?
To?
1 adult, Economy
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How far in advance should I book a flight from San Antonio to Illinois?
To save on the cost of your flight from San Antonio to Illinois, book at least 57 days before your planned departure. Booking around this time can save you about 6% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $257 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $257.
What is the cheapest month to fly from San Antonio to Illinois?
Flights from San Antonio to Illinois lean towards being more expensive in March. Prices are generally better when you fly from San Antonio to Illinois in January, with the cheapest ticket starting at $151.
When is the cheapest time to fly from San Antonio to Illinois (SAT - IL)?
When flying from San Antonio to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap Spirit Airlines flights from San Antonio to Illinois
Explore cheap flight options specifically provided by Spirit Airlines for the route between San Antonio and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Find some of the cheapest Spirit Airlines flights traveling from San Antonio to Illinois. Deals update often to give you more flight options matching your criteria
Tue 9/105:50 amSAT - ORD
1 stop27h 43mSpirit Airlines
Mon 9/166:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/28$106
Tue 9/103:15 pmSAT - ORD
2 stops18h 18mSpirit Airlines
Mon 9/166:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/28$111
Tue 9/105:50 amSAT - ORD
1 stop11h 37mSpirit Airlines
Mon 9/166:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/27$116
Fri 9/65:50 amSAT - ORD
1 stop27h 43mSpirit Airlines
Mon 9/96:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/28$121
Tue 9/103:15 pmSAT - ORD
2 stops26h 12mSpirit Airlines
Mon 9/1610:33 amORD - SAT
2 stops27h 42mSpirit Airlines
Deal found 5/28$132
Fri 9/65:50 amSAT - ORD
1 stop27h 43mSpirit Airlines
Mon 9/96:32 pmORD - SAT
2 stops19h 43mSpirit Airlines
Deal found 5/28$134
Tue 9/175:50 amSAT - ORD
1 stop10h 50mSpirit Airlines
Fri 9/206:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/28$136
Sat 9/215:50 amSAT - ORD
1 stop18h 09mSpirit Airlines
Sat 9/287:12 amORD - SAT
1 stop17h 08mSpirit Airlines
Deal found 5/27$142
Mon 8/193:50 pmSAT - ORD
1 stop24h 08mSpirit Airlines
Wed 8/2110:33 amORD - SAT
1 stop9h 50mSpirit Airlines
Deal found 5/27$149
Cheap Frontier flights from San Antonio to Illinois
Explore cheap flight options specifically provided by Frontier for the route between San Antonio and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
To aid your search, here are some of the cheapest Frontier flights we've found from San Antonio to Illinois. Deals are refreshing constantly so come back soon for more options.
Mon 6/109:23 amSAT - MDW
1 stop27h 46mFrontier
Sat 6/1510:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/28$138
Wed 6/126:44 pmSAT - MDW
1 stop10h 45mFrontier
Sat 6/155:40 amMDW - SAT
1 stop8h 22mFrontier
Deal found 5/27$156
Wed 6/1210:34 pmSAT - ORD
1 stop26h 06mFrontier
Sat 6/1510:11 pmORD - SAT
1 stop23h 46mFrontier
Deal found 5/27$158
Wed 8/149:19 amSAT - MDW
1 stop26h 33mFrontier
Tue 8/206:00 amMDW - SAT
1 stop26h 19mFrontier
Deal found 5/28$163
Mon 8/266:40 pmSAT - MDW
1 stop11h 53mFrontier
Tue 9/1010:00 pmMDW - SAT
1 stop19h 44mFrontier
Deal found 5/29$173
Sat 6/153:02 pmSAT - ORD
1 stop6h 04mFrontier
Sat 6/2210:11 pmORD - SAT
1 stop23h 46mFrontier
Deal found 5/27$178
Tue 9/176:40 pmSAT - MDW
1 stop11h 53mFrontier
Fri 9/2010:00 pmMDW - SAT
1 stop19h 44mFrontier
Deal found 5/28$182
Wed 6/1210:34 pmSAT - ORD
1 stop26h 06mFrontier
Fri 6/149:53 pmORD - SAT
1 stop11h 48mFrontier
Deal found 5/28$183
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Sat 6/810:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/27$184
Cheap San Antonio to Illinois flights in May & June 2024
Find cheap flight options from San Antonio to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 29, 2024.
These are some of the most attractive deals on flights from San Antonio to Illinois in 2024. Check back regularly for other flight deals.
Mon 6/109:23 amSAT - MDW
1 stop27h 46mFrontier
Sat 6/1510:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/28$138
Wed 6/126:44 pmSAT - MDW
1 stop10h 45mFrontier
Sat 6/155:40 amMDW - SAT
1 stop8h 22mFrontier
Deal found 5/27$156
Sat 6/153:02 pmSAT - MDW
1 stop6h 28mFrontier
Tue 6/187:54 pmMDW - SAT
1 stop22h 16mFrontier
Deal found 5/28$178
Wed 6/1210:34 pmSAT - MDW
1 stop23h 11mFrontier
Fri 6/148:58 pmMDW - SAT
1 stop20h 29mFrontier
Deal found 5/28$183
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Sat 6/810:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/27$184
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Sat 6/810:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/27$187
Fri 6/287:07 pmSAT - MDW
1 stop12h 48mFrontier
Tue 7/28:02 pmMDW - SAT
1 stop22h 16mFrontier
Deal found 5/27$203
Fri 6/144:19 pmSAT - MDW
1 stop13h 10mFrontier
Sat 6/1510:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/28$204
Fri 6/289:04 pmSAT - MDW
1 stop8h 25mFrontier
Tue 7/28:02 pmMDW - SAT
1 stop22h 16mFrontier
Deal found 5/28$210
San Antonio to Illinois 2024 flight deals
Discover exclusive flight deals for travel between San Antonio and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
These are some of the most attractive deals on flights from San Antonio to Illinois in 2024. Check back regularly for other flight deals.
Mon 6/109:23 amSAT - MDW
1 stop27h 46mFrontier
Sat 6/1510:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/28$138
Wed 6/126:44 pmSAT - MDW
1 stop10h 45mFrontier
Sat 6/155:40 amMDW - SAT
1 stop8h 22mFrontier
Deal found 5/27$156
Wed 8/149:19 amSAT - MDW
1 stop26h 33mFrontier
Tue 8/206:00 amMDW - SAT
1 stop26h 19mFrontier
Deal found 5/28$163
Mon 8/266:40 pmSAT - MDW
1 stop11h 53mFrontier
Tue 9/1010:00 pmMDW - SAT
1 stop19h 44mFrontier
Deal found 5/29$173
Wed 9/42:41 pmSAT - STL
1 stop7h 33mSpirit Airlines
Mon 9/93:02 pmSTL - SAT
1 stop28h 49mSpirit Airlines
Deal found 5/28$175
Sat 6/153:02 pmSAT - MDW
1 stop6h 28mFrontier
Tue 6/187:54 pmMDW - SAT
1 stop22h 16mFrontier
Deal found 5/28$178
Tue 9/176:40 pmSAT - MDW
1 stop11h 53mFrontier
Fri 9/2010:00 pmMDW - SAT
1 stop19h 44mFrontier
Deal found 5/28$182
Wed 6/1210:34 pmSAT - MDW
1 stop23h 11mFrontier
Fri 6/148:58 pmMDW - SAT
1 stop20h 29mFrontier
Deal found 5/28$183
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Sat 6/810:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/27$184
Non-stop flights to Illinois from San Antonio
Discover non-stop flight options from San Antonio to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Consider booking one of these non-stop flights heading from San Antonio to Illinois. Users seeking other options on flights from San Antonio to Illinois should update the search form at the top of the page.
Wed 6/197:00 amSAT - ORD
Nonstop2h 55mUnited Airlines
Thu 6/208:20 pmORD - SAT
Nonstop2h 52mUnited Airlines
Deal found 5/28$273
Fri 6/286:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Mon 7/18:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/28$288
Fri 6/286:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Mon 7/19:45 amORD - SAT
Nonstop2h 52mAmerican Airlines
Deal found 5/28$291
Mon 7/16:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Fri 7/59:50 amORD - SAT
Nonstop2h 55mAmerican Airlines
Deal found 5/28$303
Thu 6/277:00 amSAT - ORD
Nonstop2h 55mUnited Airlines
Wed 7/39:15 amORD - SAT
Nonstop2h 54mUnited Airlines
Deal found 5/28$309
Thu 6/276:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Sun 6/308:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/28$313
Fri 6/216:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Sun 6/238:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/28$314
Thu 7/48:08 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Tue 7/99:02 pmORD - SAT
Nonstop2h 40mAmerican Airlines
Deal found 5/28$318
Sat 6/157:00 amSAT - ORD
Nonstop2h 55mUnited Airlines
Tue 6/188:15 pmORD - SAT
Nonstop2h 52mUnited Airlines
Deal found 5/28$329
San Antonio to Illinois flights leaving soon
Find last-minute flight options from San Antonio to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Have a look at some of the flights available from San Antonio to Illinois departing last-minute. It's wise to confirm all flight details are correct before booking.
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Sat 6/810:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/27$184
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Sat 6/810:26 pmMDW - SAT
1 stop23h 31mFrontier
Deal found 5/27$187
Mon 6/39:50 pmSAT - MDW
1 stop8h 00mFrontier
Tue 6/49:10 pmMDW - SAT
1 stop21h 00mFrontier
Deal found 5/28$235
Fri 6/79:27 amSAT - MDW
1 stop26h 20mFrontier
Sun 6/95:05 amMDW - SAT
1 stop27h 17mFrontier
Deal found 5/28$239
Mon 6/39:50 pmSAT - MDW
1 stop8h 00mFrontier
Fri 6/74:18 pmMDW - SAT
2 stops17h 23mFrontier
Deal found 5/27$255
Thu 6/68:02 pmSAT - STL
1 stop13h 38mFrontier
Sun 6/97:29 pmSTL - SAT
1 stop19h 47mFrontier
Deal found 5/28$257
Thu 6/69:34 pmSAT - STL
2 stops24h 25mFrontier
Sun 6/97:44 pmSTL - SAT
1 stop22h 31mFrontier
Deal found 5/28$260
Wed 6/59:40 pmSAT - ORD
1 stop8h 44mSpirit Airlines
Mon 6/108:26 pmORD - SAT
3 stops25h 34mSpirit Airlines
Deal found 5/28$261
Mon 6/39:23 amSAT - ORD
1 stop15h 50mFrontier
Tue 6/47:59 pmORD - SAT
1 stop22h 11mFrontier
Deal found 5/28$266
One-way flights to Illinois from San Antonio
Search for one-way flight options from San Antonio to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Some of the best available deals we've found on one-way flights from San Antonio to Illinois. Users can also find round-trip San Antonio to Illinois flights by using the search form above.
Tue 6/115:21 amSAT - ORD
2 stops34h 46mSpirit Airlines
Deal found 5/27$58
Mon 8/265:50 amSAT - ORD
1 stop27h 43mSpirit Airlines
Deal found 5/27$71
Mon 8/265:50 amSAT - ORD
2 stops31h 18mSpirit Airlines
Deal found 5/27$73
Sat 6/153:02 pmSAT - ORD
1 stop6h 04mFrontier
Deal found 5/28$74
Thu 6/69:34 pmSAT - ORD
1 stop8h 08mFrontier
Deal found 5/28$75
Sat 6/153:02 pmSAT - ORD
1 stop6h 04mFrontier
Deal found 5/27$78
Wed 6/510:34 pmSAT - ORD
1 stop26h 06mFrontier
Deal found 5/28$80
Tue 6/115:21 amSAT - ORD
3 stops27h 03mSpirit Airlines
Deal found 5/27$83
Wed 6/1210:34 pmSAT - ORD
1 stop26h 06mFrontier
Deal found 5/27$88
Find flights from San Antonio to Illinois within your budget
Customize your flight search to find flights from San Antonio to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$106 - $283
Route
Depart
Return
Price
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Tue 9/10
1 stop27h 43m
Chicago O'Hare Intl
Mon 9/16
1 stop29h 48m
$106
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Tue 9/10
2 stops18h 18m
Chicago O'Hare Intl
Mon 9/16
1 stop29h 48m
$111
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Tue 9/10
1 stop11h 37m
Chicago O'Hare Intl
Mon 9/16
1 stop29h 48m
$116
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Fri 9/6
1 stop27h 43m
Chicago O'Hare Intl
Mon 9/9
1 stop29h 48m
$121
San AntonioChicago Midway
SAT - MDW
SATMDW
San Antonio
Mon 6/10
1 stop27h 46m
Chicago Midway
Sat 6/15
1 stop23h 31m
$138
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Sat 6/29
1 stop11h 06m
Chicago O'Hare Intl
Tue 7/2
1 stop7h 41m
$177
San AntonioMoline Quad-City
SAT - MLI
SATMLI
San Antonio
Wed 6/12
1 stop5h 59m
Moline Quad-City
Sat 6/15
1 stop4h 29m
$261
San AntonioLambert-St Louis
SAT - STL
SATSTL
San Antonio
Wed 6/26
1 stop7h 58m
Lambert-St Louis
Wed 7/10
1 stop7h 09m
$264
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Wed 6/19
1 stop4h 43m
Chicago O'Hare Intl
Thu 6/20
Nonstop2h 52m
$283
No data available for this route at this time. Please check back soon.
Best time to book a flight from San Antonio to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from San Antonio 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.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 29, 2024.
To help decide which airline to fly from San Antonio to Illinois, see what other customers have to say about Spirit Airlines, Frontier and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
5,963 reviews
Food
7.3
Entertainment
7.8
Overall
8.2
Boarding
8.3
Crew
8.7
Comfort
8.1
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Southwest
5,963 reviews
Southwest
5,963 reviews
Food
7.3
Entertainment
7.8
Overall
8.2
Boarding
8.3
Crew
8.7
Comfort
8.1
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
10,476 reviews
Southwest
5,963 reviews
Food
7.3
Entertainment
7.8
Overall
8.2
Boarding
8.3
Crew
8.7
Comfort
8.1
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
10,784 reviews
Southwest
5,963 reviews
Food
7.3
Entertainment
7.8
Overall
8.2
Boarding
8.3
Crew
8.7
Comfort
8.1
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
14,302 reviews
Southwest
5,963 reviews
Food
7.3
Entertainment
7.8
Overall
8.2
Boarding
8.3
Crew
8.7
Comfort
8.1
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
597 reviews
Southwest
5,963 reviews
Food
7.3
Entertainment
7.8
Overall
8.2
Boarding
8.3
Crew
8.7
Comfort
8.1
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Antonio to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from San Antonio to Illinois
Discover the top 5 airlines that operate flights from San Antonio to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 29, 2024.
Search flights from San Antonio to Illinois by cabin class
Find flights from San Antonio to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from San Antonio to Illinois
Find hourly flight availability from San Antonio to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 29, 2024.
| 23%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 19%of flight departures | Morning6 am to noon |
| 58%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Antonio to Illinois?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Antonio to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from San Antonio to Illinois?
Cheapflights simply makes it quick and affordable to book flights from San Antonio to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from San Antonio to Illinois with no change fees?
Need flexible booking options for your flight to Illinois from San Antonio? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!