Cheap flights from Illinois to San Antonio (SAT) from $61
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 9/25. 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.
ORD — SAT
May 21 — May 281
From?
To?
1 adult, Economy
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How far in advance should I book a flight from Illinois to San Antonio?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 45 days in advance, which can save you up to 200% on flights from Illinois to San Antonio compared to booking the week you need them. Waiting 45 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $484. For sooner than that we have options available in the next 3 days from $693.
What is the cheapest month to fly from Illinois to San Antonio?
September can be a great time to fly to San Antonio from Illinois with a flight ticket averaging about $363. Cheapflights users have found deals in the month of September for as cheap as $158. The most expensive prices can be found in the month of March.
When is the cheapest time to fly from Illinois to San Antonio (IL - SAT)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to San Antonio as you normally would.
Cheap Spirit Airlines flights from Illinois to San Antonio
Explore cheap flight options specifically provided by Spirit Airlines for the route between Illinois and San Antonio. 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 2,637,452 searches. Data last updated May 16, 2024.
Find some of the cheapest Spirit Airlines flights traveling from Illinois to San Antonio. Make sure to check back often as deals are often changing.
Tue 9/1010:33 amORD - SAT
1 stop13h 47mSpirit Airlines
Wed 9/185:50 amSAT - ORD
1 stop11h 37mSpirit Airlines
Deal found 5/16$106
Tue 8/276:32 pmORD - SAT
1 stop25h 51mSpirit Airlines
Wed 9/45:50 amSAT - ORD
1 stop10h 50mSpirit Airlines
Deal found 5/16$121
Tue 6/41:13 pmORD - SAT
1 stop10h 30mSpirit Airlines
Tue 6/118:31 pmSAT - ORD
1 stop10h 05mSpirit Airlines
Deal found 5/16$158
Wed 7/36:40 pmORD - SAT
1 stop26h 43mSpirit Airlines
Wed 7/105:25 amSAT - ORD
1 stop11h 22mSpirit Airlines
Deal found 5/16$165
Sat 6/85:18 pmORD - SAT
1 stop7h 07mSpirit Airlines
Tue 6/115:21 amSAT - ORD
1 stop12h 19mSpirit Airlines
Deal found 5/16$175
Thu 6/68:27 amORD - SAT
2 stops12h 56mSpirit Airlines
Tue 6/118:31 pmSAT - ORD
1 stop10h 05mSpirit Airlines
Deal found 5/16$183
Sat 6/811:08 amORD - SAT
2 stops13h 17mSpirit Airlines
Tue 6/114:34 pmSAT - ORD
2 stops23h 33mSpirit Airlines
Deal found 5/16$184
Wed 5/291:13 pmORD - SAT
1 stop10h 30mSpirit Airlines
Thu 5/305:46 amSAT - ORD
1 stop10h 49mSpirit Airlines
Deal found 5/16$187
Sat 6/17:12 amORD - SAT
1 stop17h 09mSpirit Airlines
Tue 6/46:45 amSAT - ORD
3 stops33h 22mSpirit Airlines
Deal found 5/16$188
Cheap Frontier flights from Illinois to San Antonio
Explore cheap flight options specifically provided by Frontier for the route between Illinois and San Antonio. 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 2,637,452 searches. Data last updated May 16, 2024.
To aid your search, here are some of the cheapest Frontier flights we've found from Illinois to San Antonio. Make sure to examine the flight information before completing your reservation.
Tue 9/1010:00 pmMDW - SAT
1 stop19h 44mFrontier
Wed 9/186:40 pmSAT - MDW
1 stop11h 53mFrontier
Deal found 5/16$142
Tue 5/2810:44 pmSTL - SAT
1 stop9h 39mFrontier
Wed 5/296:48 pmSAT - STL
1 stop15h 25mFrontier
Deal found 5/15$143
Wed 6/55:55 amMDW - SAT
1 stop15h 38mFrontier
Wed 6/1210:34 pmSAT - MDW
1 stop12h 34mFrontier
Deal found 5/15$144
Tue 5/2810:44 pmSTL - SAT
1 stop9h 39mFrontier
Mon 6/38:00 pmSAT - STL
1 stop11h 08mFrontier
Deal found 5/16$145
Wed 6/55:55 amMDW - SAT
1 stop15h 38mFrontier
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Deal found 5/15$148
Tue 6/49:10 pmMDW - SAT
1 stop21h 00mFrontier
Wed 6/1210:34 pmSAT - MDW
1 stop12h 34mFrontier
Deal found 5/15$149
Sun 6/27:59 pmORD - SAT
1 stop24h 51mFrontier
Wed 6/510:34 pmSAT - ORD
1 stop26h 06mFrontier
Deal found 5/16$150
Tue 5/289:10 pmMDW - SAT
1 stop20h 38mFrontier
Fri 5/318:53 pmSAT - MDW
1 stop12h 20mFrontier
Deal found 5/16$151
Thu 6/65:01 amMDW - SAT
1 stop14h 07mFrontier
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Deal found 5/15$153
Cheap Illinois to San Antonio flights in May & June 2024
Find cheap flight options from Illinois to San Antonio specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the most attractive deals on flights from Illinois to San Antonio in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 6/51:55 pmSTL - SAT
1 stop9h 06mMultiple Airlines
Wed 6/1210:34 pmSAT - STL
1 stop15h 58mMultiple Airlines
Deal found 5/16$135
Wed 6/55:55 amMDW - SAT
1 stop15h 38mFrontier
Wed 6/1210:34 pmSAT - MDW
1 stop12h 34mFrontier
Deal found 5/15$144
Tue 5/2810:44 pmSTL - SAT
1 stop9h 39mFrontier
Mon 6/38:00 pmSAT - STL
1 stop11h 08mFrontier
Deal found 5/16$145
Wed 6/55:55 amMDW - SAT
1 stop15h 38mFrontier
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Deal found 5/15$148
Tue 6/49:10 pmMDW - SAT
1 stop21h 00mFrontier
Wed 6/1210:34 pmSAT - MDW
1 stop12h 34mFrontier
Deal found 5/15$149
Sun 6/211:22 pmSTL - SAT
1 stop9h 01mFrontier
Wed 6/58:34 pmSAT - STL
1 stop10h 33mFrontier
Deal found 5/16$149
Tue 5/289:10 pmMDW - SAT
1 stop20h 38mFrontier
Fri 5/318:53 pmSAT - MDW
1 stop12h 20mFrontier
Deal found 5/16$151
Thu 6/65:01 amMDW - SAT
1 stop14h 07mFrontier
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Deal found 5/15$153
Fri 6/145:36 pmSTL - SAT
1 stop20h 26mFrontier
Wed 6/2610:34 pmSAT - STL
1 stop15h 58mFrontier
Deal found 5/16$153
Illinois to San Antonio 2024 flight deals
Discover exclusive flight deals for travel between Illinois and San Antonio in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the most attractive deals on flights from Illinois to San Antonio in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 6/51:55 pmSTL - SAT
1 stop9h 06mMultiple Airlines
Wed 6/1210:34 pmSAT - STL
1 stop15h 58mMultiple Airlines
Deal found 5/16$135
Tue 9/1010:00 pmMDW - SAT
1 stop19h 44mFrontier
Wed 9/186:40 pmSAT - MDW
1 stop11h 53mFrontier
Deal found 5/16$142
Wed 6/55:55 amMDW - SAT
1 stop15h 38mFrontier
Wed 6/1210:34 pmSAT - MDW
1 stop12h 34mFrontier
Deal found 5/15$144
Tue 5/2810:44 pmSTL - SAT
1 stop9h 39mFrontier
Mon 6/38:00 pmSAT - STL
1 stop11h 08mFrontier
Deal found 5/16$145
Wed 6/55:55 amMDW - SAT
1 stop15h 38mFrontier
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Deal found 5/15$148
Tue 6/49:10 pmMDW - SAT
1 stop21h 00mFrontier
Wed 6/1210:34 pmSAT - MDW
1 stop12h 34mFrontier
Deal found 5/15$149
Sun 6/211:22 pmSTL - SAT
1 stop9h 01mFrontier
Wed 6/58:34 pmSAT - STL
1 stop10h 33mFrontier
Deal found 5/16$149
Tue 5/289:10 pmMDW - SAT
1 stop20h 38mFrontier
Fri 5/318:53 pmSAT - MDW
1 stop12h 20mFrontier
Deal found 5/16$151
Thu 6/65:01 amMDW - SAT
1 stop14h 07mFrontier
Thu 6/69:34 pmSAT - MDW
1 stop7h 40mFrontier
Deal found 5/15$153
Non-stop flights to San Antonio from Illinois
Discover non-stop flight options from Illinois to San Antonio. 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 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the direct flights traveling from Illinois to San Antonio in the near future. Search for alternative flights from Illinois to San Antonio by utilizing the search form above.
Wed 5/298:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Thu 5/306:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Deal found 5/16$303
Tue 6/189:45 amORD - SAT
Nonstop2h 52mAmerican Airlines
Wed 7/31:27 pmSAT - ORD
Nonstop2h 53mAmerican Airlines
Deal found 5/15$333
Fri 6/288:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Mon 7/16:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Deal found 5/16$370
Fri 7/59:50 amORD - SAT
Nonstop2h 55mAmerican Airlines
Fri 7/191:35 pmSAT - ORD
Nonstop2h 56mAmerican Airlines
Deal found 5/15$371
Sat 7/279:15 amORD - SAT
Nonstop2h 54mUnited Airlines
Sat 8/37:00 amSAT - ORD
Nonstop2h 55mUnited Airlines
Deal found 5/16$377
Fri 6/78:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Tue 6/116:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Deal found 5/16$381
Fri 5/3110:19 amORD - SAT
Nonstop2h 52mAmerican Airlines
Tue 6/46:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Deal found 5/16$403
Thu 6/209:45 amORD - SAT
Nonstop2h 52mAmerican Airlines
Sun 6/236:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Deal found 5/16$407
Sun 6/98:10 pmORD - SAT
Nonstop2h 44mAmerican Airlines
Fri 6/146:01 amSAT - ORD
Nonstop2h 52mAmerican Airlines
Deal found 5/15$418
Illinois to San Antonio flights leaving soon
Find last-minute flight options from Illinois to San Antonio 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 2,637,452 searches. Data last updated May 16, 2024.
Users seeking a last-minute flight from Illinois to San Antonio should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sun 5/2611:22 pmSTL - SAT
1 stop9h 01mFrontier
Fri 5/3110:20 pmSAT - STL
1 stop11h 53mFrontier
Deal found 5/16$180
Tue 5/212:12 pmSTL - SAT
1 stop27h 36mFrontier
Sat 5/256:48 pmSAT - STL
1 stop21h 23mFrontier
Deal found 5/16$199
Sun 5/2611:22 pmSTL - SAT
1 stop9h 01mFrontier
Fri 5/3110:20 pmSAT - STL
1 stop11h 53mFrontier
Deal found 5/16$232
Tue 5/219:10 pmMDW - SAT
1 stop20h 38mFrontier
Mon 5/279:50 pmSAT - MDW
1 stop8h 00mFrontier
Deal found 5/15$257
Thu 5/2310:22 pmMDW - SAT
1 stop10h 01mFrontier
Mon 5/279:50 pmSAT - MDW
1 stop8h 00mFrontier
Deal found 5/15$259
Sat 5/254:05 pmORD - SAT
1 stop7h 38mMultiple Airlines
Wed 5/296:48 pmSAT - ORD
1 stop10h 12mMultiple Airlines
Deal found 5/16$267
Thu 5/238:00 amORD - SAT
1 stop24h 23mFrontier
Mon 5/279:23 amSAT - ORD
1 stop15h 50mFrontier
Deal found 5/16$269
Fri 5/247:44 pmSTL - SAT
1 stop15h 21mFrontier
Mon 5/279:50 pmSAT - STL
1 stop23h 49mFrontier
Deal found 5/15$274
Fri 5/241:15 pmMDW - SAT
1 stop6h 48mFrontier
Mon 5/279:50 pmSAT - MDW
1 stop8h 00mFrontier
Deal found 5/16$275
One-way flights to San Antonio from Illinois
Search for one-way flight options from Illinois to San Antonio. 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 2,637,452 searches. Data last updated May 16, 2024.
If you're seeking multiple options on one-way flights from Illinois to San Antonio, be sure to check out these deals, which are updated often. Users needing a return flight from Illinois to San Antonio should utilize the search form above.
Wed 9/2510:33 amORD - SAT
1 stop9h 50mSpirit Airlines
Deal found 5/16$61
Tue 6/116:40 pmORD - SAT
1 stop28h 57mSpirit Airlines
Deal found 5/16$72
Sat 6/85:40 amMDW - SAT
1 stop8h 22mFrontier
Deal found 5/15$75
Tue 5/287:59 pmORD - SAT
1 stop21h 49mFrontier
Deal found 5/16$76
Wed 6/1211:01 amORD - SAT
2 stops12h 36mSpirit Airlines
Deal found 5/16$78
Wed 6/124:32 pmORD - SAT
1 stop7h 05mSpirit Airlines
Deal found 5/16$79
Tue 5/216:00 amMDW - SAT
1 stop26h 23mFrontier
Deal found 5/14$79
Wed 6/59:53 pmORD - SAT
1 stop21h 15mFrontier
Deal found 5/15$80
Wed 6/55:55 amMDW - SAT
1 stop15h 38mFrontier
Deal found 5/15$80
Find flights from Illinois to San Antonio within your budget
Customize your flight search to find flights from Illinois to San Antonio 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 2,637,452 searches. Data last updated May 16, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$106 - $288
Route
Depart
Return
Price
Chicago O'Hare IntlSan Antonio
ORD - SAT
ORDSAT
Chicago O'Hare Intl
Tue 9/10
1 stop13h 47m
San Antonio
Wed 9/18
1 stop11h 37m
$106
Chicago O'Hare IntlSan Antonio
ORD - SAT
ORDSAT
Chicago O'Hare Intl
Tue 8/27
1 stop25h 51m
San Antonio
Wed 9/4
1 stop10h 50m
$121
Lambert-St LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Wed 6/5
1 stop9h 06m
San Antonio
Wed 6/12
1 stop15h 58m
$135
Chicago O'Hare IntlSan Antonio
ORD - SAT
ORDSAT
Chicago O'Hare Intl
Tue 5/28
1 stop21h 49m
San Antonio
Tue 6/4
1 stop11h 54m
$137
Chicago MidwaySan Antonio
MDW - SAT
MDWSAT
Chicago Midway
Tue 9/10
1 stop19h 44m
San Antonio
Wed 9/18
1 stop11h 53m
$142
Lambert-St LouisSan Antonio
STL - SAT
STLSAT
Lambert-St Louis
Tue 5/28
1 stop9h 39m
San Antonio
Wed 5/29
1 stop15h 25m
$143
Moline Quad-CitySan Antonio
MLI - SAT
MLISAT
Moline Quad-City
Wed 9/4
1 stop5h 00m
San Antonio
Sat 9/7
1 stop5h 05m
$216
Moline Quad-CitySan Antonio
MLI - SAT
MLISAT
Moline Quad-City
Wed 9/18
1 stop5h 17m
San Antonio
Mon 9/23
1 stop7h 08m
$253
Bloomington-NormalSan Antonio
BMI - SAT
BMISAT
Bloomington-Normal
Sat 6/15
1 stop7h 40m
San Antonio
Tue 6/18
1 stop6h 01m
$288
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated May 16, 2024.
Read reviews from past customers who have flown Spirit Airlines, Frontier and Delta from Illinois to San Antonio. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
9,157 reviews
Entertainment
7.3
Crew
8.6
Comfort
7.9
Overall
8.1
Food
7.3
Boarding
8.2
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
9,157 reviews
9,157 reviews
Entertainment
7.3
Crew
8.6
Comfort
7.9
Overall
8.1
Food
7.3
Boarding
8.2
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,673 reviews
9,157 reviews
Entertainment
7.3
Crew
8.6
Comfort
7.9
Overall
8.1
Food
7.3
Boarding
8.2
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,924 reviews
9,157 reviews
Entertainment
7.3
Crew
8.6
Comfort
7.9
Overall
8.1
Food
7.3
Boarding
8.2
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
14,514 reviews
9,157 reviews
Entertainment
7.3
Crew
8.6
Comfort
7.9
Overall
8.1
Food
7.3
Boarding
8.2
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
630 reviews
9,157 reviews
Entertainment
7.3
Crew
8.6
Comfort
7.9
Overall
8.1
Food
7.3
Boarding
8.2
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
Related info for your journey
Find useful and relevant information for your journey from Illinois to San Antonio. 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 Illinois to San AntonioSee 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 Illinois to San Antonio
Discover the top 5 airlines that operate flights from Illinois to San Antonio. 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 2,637,452 searches. Data last updated May 16, 2024.
Search flights from Illinois to San Antonio by cabin class
Find flights from Illinois to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Illinois to San Antonio
Find hourly flight availability from Illinois to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2024.
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 27%of flight departures | Morning6 am to noon |
| 0%of flight departures | AfternoonNoon to 6 pm |
| 72%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 Illinois to San Antonio?
Deals for Illinois to San Antonio flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Illinois to San Antonio?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois to San Antonio for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Illinois to San Antonio with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois to San Antonio, users can toggle the no change fees filter when performing a flight search.
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Not ready to book yet? You can track prices for flights from Illinois to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.