Cheap flights from San Antonio (SAT) to Illinois from $55
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 6/12. 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 4 — Jun 111
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.
What is the cheapest time of day to fly from SAT to 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 2,784,634 searches. Data last updated May 30, 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 stop10h 50mSpirit Airlines
Mon 9/166:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/29$92
Tue 9/105:50 amSAT - ORD
1 stop10h 50mSpirit Airlines
Mon 9/1610:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Deal found 5/30$100
Wed 9/185:50 amSAT - ORD
1 stop10h 50mSpirit Airlines
Wed 9/2510:33 amORD - SAT
1 stop9h 50mSpirit Airlines
Deal found 5/29$104
Tue 9/105:50 amSAT - ORD
2 stops31h 18mSpirit Airlines
Mon 9/166:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/29$110
Mon 8/265:50 amSAT - ORD
1 stop11h 37mSpirit Airlines
Tue 9/1010:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Deal found 5/29$112
Wed 8/212:41 pmSAT - ORD
2 stops25h 59mSpirit Airlines
Tue 8/275:35 pmORD - SAT
1 stop26h 48mSpirit Airlines
Deal found 5/30$118
Tue 9/105:50 amSAT - ORD
1 stop11h 37mSpirit Airlines
Thu 9/1210:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Deal found 5/30$122
Sat 9/285:50 amSAT - ORD
1 stop11h 37mSpirit Airlines
Tue 10/110:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Deal found 5/29$123
Wed 6/265:21 amSAT - ORD
1 stop11h 07mSpirit Airlines
Tue 7/911:02 amORD - SAT
1 stop13h 57mSpirit Airlines
Deal found 5/30$127
Cheap Sun Country Air flights from San Antonio to Illinois
Explore cheap flight options specifically provided by Sun Country Air 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 2,784,634 searches. Data last updated May 30, 2024.
To aid your search, here are some of the cheapest Sun Country Air flights we've found from San Antonio to Illinois. Deals are refreshing constantly so come back soon for more options.
Thu 6/276:40 pmSAT - ORD
1 stop24h 46mSun Country Air
Thu 7/46:30 pmORD - SAT
1 stop15h 25mSun Country Air
Deal found 5/29$239
Mon 7/16:40 pmSAT - ORD
1 stop24h 26mSun Country Air
Wed 7/105:00 pmORD - SAT
1 stop16h 55mSun Country Air
Deal found 5/29$274
Thu 6/66:40 pmSAT - ORD
1 stop24h 26mSun Country Air
Thu 6/136:35 pmORD - SAT
1 stop15h 23mSun Country Air
Deal found 5/29$350
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 2,784,634 searches. Prices were last updated on May 30, 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.
Wed 6/265:21 amSAT - ORD
1 stop11h 07mSpirit Airlines
Tue 7/911:02 amORD - SAT
1 stop13h 57mSpirit Airlines
Deal found 5/30$127
Wed 6/265:21 amSAT - ORD
1 stop12h 19mSpirit Airlines
Tue 7/95:39 amORD - SAT
2 stops19h 20mSpirit Airlines
Deal found 5/30$132
Wed 6/265:21 amSAT - ORD
1 stop28h 40mSpirit Airlines
Wed 7/36:40 pmORD - SAT
1 stop26h 43mSpirit Airlines
Deal found 5/29$142
Wed 6/195:21 amSAT - ORD
1 stop11h 07mSpirit Airlines
Wed 6/264:32 pmORD - SAT
1 stop7h 05mSpirit Airlines
Deal found 5/29$143
Wed 6/127:07 pmSAT - ORD
1 stop10h 18mFrontier
Sat 6/1510:11 pmORD - SAT
1 stop23h 46mFrontier
Deal found 5/30$145
Mon 6/107:06 pmSAT - ORD
1 stop12h 02mFrontier
Sat 6/1510:11 pmORD - SAT
1 stop23h 46mFrontier
Deal found 5/28$148
Tue 6/185:21 amSAT - ORD
1 stop28h 40mSpirit Airlines
Tue 6/256:40 pmORD - SAT
1 stop28h 57mSpirit Airlines
Deal found 5/29$155
Wed 6/195:21 amSAT - ORD
1 stop12h 19mSpirit Airlines
Wed 6/267:00 amORD - SAT
2 stops16h 37mSpirit Airlines
Deal found 5/29$157
Wed 6/265:21 amSAT - ORD
2 stops30h 39mSpirit Airlines
Tue 7/95:39 amORD - SAT
2 stops19h 20mSpirit Airlines
Deal found 5/30$158
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 2,784,634 searches. Data last updated May 30, 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.
Tue 9/105:50 amSAT - ORD
1 stop10h 50mSpirit Airlines
Mon 9/166:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/29$92
Tue 9/105:50 amSAT - ORD
1 stop10h 50mSpirit Airlines
Mon 9/1610:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Deal found 5/30$100
Wed 9/185:50 amSAT - ORD
1 stop10h 50mSpirit Airlines
Wed 9/2510:33 amORD - SAT
1 stop9h 50mSpirit Airlines
Deal found 5/29$104
Tue 9/105:50 amSAT - ORD
2 stops31h 18mSpirit Airlines
Mon 9/166:32 pmORD - SAT
1 stop29h 48mSpirit Airlines
Deal found 5/29$110
Mon 8/265:50 amSAT - ORD
1 stop11h 37mSpirit Airlines
Tue 9/1010:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Deal found 5/29$112
Wed 8/212:41 pmSAT - ORD
2 stops25h 59mSpirit Airlines
Tue 8/275:35 pmORD - SAT
1 stop26h 48mSpirit Airlines
Deal found 5/30$118
Wed 8/216:40 pmSAT - ORD
1 stop10h 07mMultiple Airlines
Wed 8/2810:33 amORD - SAT
1 stop9h 50mMultiple Airlines
Deal found 5/30$120
Sat 9/285:50 amSAT - ORD
1 stop11h 37mSpirit Airlines
Tue 10/110:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Deal found 5/29$123
Wed 6/265:21 amSAT - ORD
1 stop11h 07mSpirit Airlines
Tue 7/911:02 amORD - SAT
1 stop13h 57mSpirit Airlines
Deal found 5/30$127
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 2,784,634 searches. Data last updated May 30, 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.
Fri 6/216:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Mon 6/248:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/30$273
Thu 6/136:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Wed 6/198:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/29$288
Fri 6/287:00 amSAT - ORD
Nonstop2h 55mUnited Airlines
Sun 6/308:20 pmORD - SAT
Nonstop2h 53mUnited Airlines
Deal found 5/29$294
Mon 6/171:27 pmSAT - ORD
Nonstop2h 53mAmerican Airlines
Tue 6/189:45 amORD - SAT
Nonstop2h 52mAmerican Airlines
Deal found 5/29$303
Fri 6/216:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Mon 6/248:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/29$313
Sat 6/156:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Wed 6/198:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/29$318
Sat 8/246:11 amSAT - ORD
Nonstop2h 54mAmerican Airlines
Sat 9/76:51 pmORD - SAT
Nonstop3h 07mAmerican Airlines
Deal found 5/29$322
Fri 6/286:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Wed 7/39:45 amORD - SAT
Nonstop2h 52mAmerican Airlines
Deal found 5/29$328
Tue 6/186:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Tue 6/258:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Deal found 5/30$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 2,784,634 searches. Data last updated May 30, 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.
Sat 6/810:31 amSAT - ORD
1 stop10h 35mFrontier
Fri 6/149:53 pmORD - SAT
1 stop11h 48mFrontier
Deal found 5/29$179
Sun 6/910:58 pmSAT - ORD
1 stop21h 50mFrontier
Tue 6/118:23 pmORD - SAT
1 stop21h 19mFrontier
Deal found 5/29$187
Thu 6/69:34 pmSAT - ORD
1 stop8h 08mFrontier
Tue 6/118:23 pmORD - SAT
1 stop21h 44mFrontier
Deal found 5/30$192
Wed 6/57:12 pmSAT - ORD
1 stop10h 11mFrontier
Fri 6/79:53 pmORD - SAT
1 stop11h 48mFrontier
Deal found 5/29$207
Thu 6/69:34 pmSAT - ORD
1 stop8h 08mFrontier
Fri 6/149:53 pmORD - SAT
1 stop11h 48mFrontier
Deal found 5/29$214
Sun 6/95:21 amSAT - ORD
1 stop19h 34mSpirit Airlines
Tue 6/119:10 pmORD - SAT
2 stops22h 29mSpirit Airlines
Deal found 5/29$217
Sun 6/910:58 pmSAT - ORD
1 stop21h 50mFrontier
Sun 6/166:00 amORD - SAT
1 stop15h 57mFrontier
Deal found 5/29$226
Thu 6/69:34 pmSAT - ORD
1 stop8h 08mFrontier
Sat 6/810:11 pmORD - SAT
1 stop23h 46mFrontier
Deal found 5/29$229
Sun 6/910:58 pmSAT - STL
1 stop10h 31mFrontier
Fri 6/145:36 pmSTL - SAT
1 stop16h 05mFrontier
Deal found 5/30$230
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 2,784,634 searches. Data last updated May 30, 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.
Wed 6/125:21 amSAT - ORD
1 stop12h 19mSpirit Airlines
Deal found 5/29$55
Tue 6/115:21 amSAT - ORD
2 stops34h 46mSpirit Airlines
Deal found 5/29$58
Tue 9/248:41 pmSAT - STL
1 stop14h 05mSpirit Airlines
Deal found 5/29$67
Thu 6/69:34 pmSAT - ORD
1 stop8h 08mFrontier
Deal found 5/29$70
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Deal found 5/28$70
Thu 6/139:34 pmSAT - ORD
1 stop8h 08mFrontier
Deal found 5/29$74
Wed 6/58:34 pmSAT - STL
1 stop10h 33mFrontier
Deal found 5/29$76
Sat 6/86:27 pmSAT - MDW
1 stop10h 54mFrontier
Deal found 5/29$76
Tue 7/165:00 amSAT - ORD
1 stop9h 49mSpirit Airlines
Deal found 5/28$77
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 2,784,634 searches. Data last updated May 30, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$92 - $288
Route
Depart
Return
Price
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Tue 9/10
1 stop10h 50m
Chicago O'Hare Intl
Mon 9/16
1 stop29h 48m
$92
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Tue 9/10
1 stop10h 50m
Chicago O'Hare Intl
Mon 9/16
1 stop13h 47m
$100
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Wed 9/18
1 stop10h 50m
Chicago O'Hare Intl
Wed 9/25
1 stop9h 50m
$104
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Tue 9/10
2 stops31h 18m
Chicago O'Hare Intl
Mon 9/16
1 stop29h 48m
$110
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Wed 8/21
1 stop10h 07m
Chicago O'Hare Intl
Wed 8/28
1 stop9h 50m
$120
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Wed 6/12
1 stop10h 18m
Chicago O'Hare Intl
Sat 6/15
1 stop23h 46m
$145
San AntonioMoline Quad-City
SAT - MLI
SATMLI
San Antonio
Thu 8/22
1 stop4h 41m
Moline Quad-City
Sat 8/24
1 stop8h 09m
$211
San AntonioChicago O'Hare Intl
SAT - ORD
SATORD
San Antonio
Thu 6/27
1 stop24h 46m
Chicago O'Hare Intl
Thu 7/4
1 stop15h 25m
$239
San AntonioBloomington-Normal
SAT - BMI
SATBMI
San Antonio
Wed 6/26
1 stop5h 49m
Bloomington-Normal
Tue 7/2
1 stop5h 07m
$288
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 30, 2024.
To help decide which airline to fly from San Antonio to Illinois, see what other customers have to say about Spirit Airlines, Sun Country Air and Frontier. 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
5,956 reviews
Crew
8.7
Food
7.3
Entertainment
7.8
Overall
8.2
Comfort
8.1
Boarding
8.3
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
5,956 reviews
Southwest
5,956 reviews
Crew
8.7
Food
7.3
Entertainment
7.8
Overall
8.2
Comfort
8.1
Boarding
8.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
9,201 reviews
Southwest
5,956 reviews
Crew
8.7
Food
7.3
Entertainment
7.8
Overall
8.2
Comfort
8.1
Boarding
8.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
10,457 reviews
Southwest
5,956 reviews
Crew
8.7
Food
7.3
Entertainment
7.8
Overall
8.2
Comfort
8.1
Boarding
8.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
10,777 reviews
Southwest
5,956 reviews
Crew
8.7
Food
7.3
Entertainment
7.8
Overall
8.2
Comfort
8.1
Boarding
8.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
14,284 reviews
Southwest
5,956 reviews
Crew
8.7
Food
7.3
Entertainment
7.8
Overall
8.2
Comfort
8.1
Boarding
8.3
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 2,784,634 searches. Data last updated May 30, 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 30, 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?
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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!