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Cheap flights from San Antonio (SAT) to Illinois from $49

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 5/13. 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
Apr 21 — Apr 281
From?
To?
Sun 4/21
Sun 4/28
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 45 days before your planned departure. Booking around this time can save you about 91% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $429 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $637.

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 February, with the cheapest ticket starting at $129.

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 American Airlines flights from San Antonio to Illinois

Explore cheap flight options specifically provided by American 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 3,165,818 searches. Data last updated April 16, 2024.
Find some of the cheapest American Airlines flights traveling from San Antonio to Illinois. Deals update often to give you more flight options matching your criteria
Tue 5/76:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Thu 5/98:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$259
Tue 5/76:14 amSAT - ORD
1 stop6h 26mAmerican Airlines
Thu 5/98:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$267
Thu 5/96:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Sat 5/118:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$279
Thu 5/96:14 amSAT - ORD
1 stop6h 26mAmerican Airlines
Sat 5/118:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$287
Tue 6/46:25 amSAT - CMI
1 stop4h 34mAmerican Airlines
Tue 6/113:23 pmCMI - SAT
1 stop7h 31mAmerican Airlines
Deal found 4/15$346
Thu 4/253:28 pmSAT - CMI
1 stop5h 23mAmerican Airlines
Sun 4/284:36 pmCMI - SAT
1 stop6h 48mAmerican Airlines
Deal found 4/15$348
Wed 7/35:00 amSAT - STL
1 stop3h 54mAmerican Airlines
Sat 7/67:00 amSTL - SAT
1 stop7h 00mAmerican Airlines
Deal found 4/14$350
Thu 4/257:35 amSAT - CMI
2 stops8h 21mAmerican Airlines
Sun 4/285:35 amCMI - SAT
1 stop6h 33mAmerican Airlines
Deal found 4/15$351
Thu 4/255:00 amSAT - CMI
2 stops6h 16mAmerican Airlines
Sun 4/285:35 amCMI - SAT
1 stop4h 30mAmerican Airlines
Deal found 4/16$353

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 3,165,818 searches. Data last updated April 16, 2024.
To aid your search, here are some of the cheapest Spirit Airlines flights we've found from San Antonio to Illinois. Deals are refreshing constantly so come back soon for more options.
Wed 5/225:46 amSAT - ORD
1 stop11h 54mSpirit Airlines
Wed 5/2910:58 amORD - SAT
1 stop13h 22mSpirit Airlines
Deal found 4/14$112
Tue 5/146:45 amSAT - ORD
2 stops33h 50mSpirit Airlines
Tue 5/216:40 pmORD - SAT
1 stop29h 40mSpirit Airlines
Deal found 4/14$126
Tue 5/215:46 amSAT - ORD
1 stop10h 49mSpirit Airlines
Wed 5/2210:58 amORD - SAT
1 stop13h 22mSpirit Airlines
Deal found 4/16$134
Tue 5/710:25 amSAT - ORD
1 stop11h 18mSpirit Airlines
Wed 5/1510:58 amORD - SAT
1 stop13h 22mSpirit Airlines
Deal found 4/16$147
Tue 5/215:46 amSAT - ORD
1 stop10h 49mSpirit Airlines
Wed 5/2211:14 amORD - SAT
2 stops13h 06mSpirit Airlines
Deal found 4/16$151
Tue 5/710:25 amSAT - ORD
1 stop11h 18mSpirit Airlines
Tue 5/1410:58 amORD - SAT
1 stop13h 22mSpirit Airlines
Deal found 4/16$159
Tue 5/1410:25 amSAT - ORD
1 stop11h 21mSpirit Airlines
Tue 5/215:36 pmORD - SAT
2 stops26h 22mSpirit Airlines
Deal found 4/16$165
Tue 5/710:25 amSAT - ORD
1 stop11h 18mSpirit Airlines
Tue 5/147:08 amORD - SAT
2 stops17h 12mSpirit Airlines
Deal found 4/16$166
Mon 5/205:46 amSAT - ORD
2 stops32h 20mSpirit Airlines
Tue 5/2110:57 pmORD - SAT
1 stop18h 35mSpirit Airlines
Deal found 4/15$167

Cheap San Antonio to Illinois flights in April & May 2024

Find cheap flight options from San Antonio to Illinois specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,165,818 searches. Prices were last updated on April 16, 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 5/1512:22 pmSAT - ORD
1 stop12h 34mFrontier
Tue 5/215:56 pmORD - SAT
1 stop17h 54mFrontier
Deal found 4/15$96
Sat 5/186:48 pmSAT - ORD
1 stop10h 12mFrontier
Tue 5/217:59 pmORD - SAT
1 stop21h 49mFrontier
Deal found 4/15$107
Fri 5/1710:20 pmSAT - STL
1 stop11h 53mFrontier
Tue 5/2110:44 pmSTL - SAT
1 stop9h 39mFrontier
Deal found 4/15$108
Fri 5/178:53 pmSAT - ORD
1 stop28h 05mFrontier
Tue 5/215:56 pmORD - SAT
1 stop17h 54mFrontier
Deal found 4/14$109
Wed 5/225:46 amSAT - ORD
1 stop11h 54mSpirit Airlines
Wed 5/2910:58 amORD - SAT
1 stop13h 22mSpirit Airlines
Deal found 4/14$112
Mon 5/134:47 pmSAT - ORD
1 stop6h 56mMultiple Airlines
Wed 5/2210:58 amORD - SAT
1 stop13h 22mMultiple Airlines
Deal found 4/14$120
Mon 5/134:47 pmSAT - ORD
1 stop6h 56mFrontier
Tue 5/218:00 amORD - SAT
1 stop24h 23mFrontier
Deal found 4/14$125
Tue 5/146:45 amSAT - ORD
2 stops33h 50mSpirit Airlines
Tue 5/216:40 pmORD - SAT
1 stop29h 40mSpirit Airlines
Deal found 4/14$126
Fri 5/32:47 pmSAT - ORD
1 stop8h 56mMultiple Airlines
Wed 5/810:58 amORD - SAT
1 stop13h 22mMultiple Airlines
Deal found 4/15$130

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 3,165,818 searches. Data last updated April 16, 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 5/1512:22 pmSAT - ORD
1 stop12h 34mFrontier
Tue 5/215:56 pmORD - SAT
1 stop17h 54mFrontier
Deal found 4/15$96
Sat 5/186:48 pmSAT - ORD
1 stop10h 12mFrontier
Tue 5/217:59 pmORD - SAT
1 stop21h 49mFrontier
Deal found 4/15$107
Fri 5/1710:20 pmSAT - STL
1 stop11h 53mFrontier
Tue 5/2110:44 pmSTL - SAT
1 stop9h 39mFrontier
Deal found 4/15$108
Fri 5/178:53 pmSAT - ORD
1 stop28h 05mFrontier
Tue 5/215:56 pmORD - SAT
1 stop17h 54mFrontier
Deal found 4/14$109
Wed 5/225:46 amSAT - ORD
1 stop11h 54mSpirit Airlines
Wed 5/2910:58 amORD - SAT
1 stop13h 22mSpirit Airlines
Deal found 4/14$112
Mon 5/134:47 pmSAT - ORD
1 stop6h 56mMultiple Airlines
Wed 5/2210:58 amORD - SAT
1 stop13h 22mMultiple Airlines
Deal found 4/14$120
Mon 5/134:47 pmSAT - ORD
1 stop6h 56mFrontier
Tue 5/218:00 amORD - SAT
1 stop24h 23mFrontier
Deal found 4/14$125
Tue 5/146:45 amSAT - ORD
2 stops33h 50mSpirit Airlines
Tue 5/216:40 pmORD - SAT
1 stop29h 40mSpirit Airlines
Deal found 4/14$126
Fri 5/32:47 pmSAT - ORD
1 stop8h 56mMultiple Airlines
Wed 5/810:58 amORD - SAT
1 stop13h 22mMultiple Airlines
Deal found 4/15$130

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 3,165,818 searches. Data last updated April 16, 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.
Tue 5/212:28 pmSAT - ORD
Nonstop2h 47mAmerican Airlines
Wed 5/228:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$239
Tue 5/76:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Thu 5/98:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$259
Wed 10/21:16 pmSAT - ORD
Nonstop2h 54mAmerican Airlines
Sat 11/29:55 amORD - SAT
Nonstop3h 02mAmerican Airlines
Deal found 4/16$278
Thu 5/96:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Sat 5/118:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$279
Tue 5/216:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Thu 5/238:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$318
Fri 5/106:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Mon 5/138:39 pmORD - SAT
Nonstop2h 57mAmerican Airlines
Deal found 4/16$319
Fri 5/246:25 amSAT - ORD
Nonstop2h 47mAmerican Airlines
Sun 5/268:25 pmORD - SAT
Nonstop3h 00mAmerican Airlines
Deal found 4/15$326
Sat 5/182:19 pmSAT - ORD
Nonstop2h 51mUnited Airlines
Tue 5/219:19 amORD - SAT
Nonstop3h 07mUnited Airlines
Deal found 4/15$337
Sat 5/252:28 pmSAT - ORD
Nonstop2h 47mAmerican Airlines
Mon 5/2710:19 amORD - SAT
Nonstop2h 52mAmerican Airlines
Deal found 4/16$338

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 3,165,818 searches. Data last updated April 16, 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.
Wed 4/2412:22 pmSAT - STL
1 stop22h 16mFrontier
Tue 4/304:50 pmSTL - SAT
1 stop18h 32mFrontier
Deal found 4/15$140
Fri 4/2610:59 pmSAT - ORD
1 stop25h 57mFrontier
Mon 4/298:25 amORD - SAT
1 stop10h 41mFrontier
Deal found 4/15$152
Wed 4/242:18 pmSAT - ORD
1 stop9h 25mMultiple Airlines
Sat 5/115:00 amORD - SAT
1 stop19h 20mMultiple Airlines
Deal found 4/15$160
Fri 4/2610:59 pmSAT - ORD
1 stop25h 57mFrontier
Sun 4/285:51 pmORD - SAT
1 stop25h 15mFrontier
Deal found 4/15$177
Mon 4/2211:37 amSAT - ORD
1 stop13h 19mFrontier
Mon 4/298:25 amORD - SAT
1 stop10h 41mFrontier
Deal found 4/15$183
Mon 4/229:36 pmSAT - STL
1 stop12h 42mMultiple Airlines
Wed 4/2411:33 amSTL - SAT
1 stop9h 19mMultiple Airlines
Deal found 4/15$215
Wed 4/249:42 pmSAT - ORD
2 stops21h 01mSpirit Airlines
Sat 5/115:00 amORD - SAT
1 stop19h 20mSpirit Airlines
Deal found 4/15$235
Thu 4/255:47 amSAT - STL
1 stop11h 47mMultiple Airlines
Tue 4/307:51 pmSTL - SAT
1 stop25h 13mMultiple Airlines
Deal found 4/15$244
Thu 4/255:47 amSAT - ORD
1 stop10h 58mMultiple Airlines
Mon 4/298:25 amORD - SAT
1 stop10h 41mMultiple Airlines
Deal found 4/15$245

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 3,165,818 searches. Data last updated April 16, 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.
Mon 5/134:47 pmSAT - ORD
1 stop6h 56mFrontier
Deal found 4/15$49
Wed 5/12:18 pmSAT - ORD
1 stop9h 25mFrontier
Deal found 4/16$50
Mon 5/205:46 amSAT - ORD
1 stop28h 09mSpirit Airlines
Deal found 4/16$53
Mon 5/139:36 pmSAT - STL
1 stop12h 33mFrontier
Deal found 4/14$55
Wed 5/112:22 pmSAT - ORD
1 stop12h 34mFrontier
Deal found 4/15$55
Wed 5/19:54 pmSAT - MDW
1 stop13h 42mFrontier
Deal found 4/15$55
Wed 4/2412:22 pmSAT - ORD
1 stop12h 34mFrontier
Deal found 4/16$56
Sat 5/186:48 pmSAT - MDW
1 stop11h 02mFrontier
Deal found 4/16$59
Wed 4/242:18 pmSAT - ORD
1 stop9h 25mFrontier
Deal found 4/15$60

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 3,165,818 searches. Data last updated April 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$96 - $259

Route

Depart

Return

Price

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Wed 5/15

1 stop12h 34m

Chicago O'Hare Intl

Tue 5/21

1 stop17h 54m

$96

San AntonioChicago Midway

SAT - MDW

SATMDW

San Antonio

Mon 5/13

1 stop14h 00m

Chicago Midway

Tue 5/21

1 stop17h 38m

$98

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Sat 5/18

1 stop10h 12m

Chicago O'Hare Intl

Tue 5/21

1 stop21h 49m

$107

San AntonioChicago Midway

SAT - MDW

SATMDW

San Antonio

Wed 5/15

1 stop7h 56m

Chicago Midway

Tue 5/21

1 stop17h 38m

$107

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Wed 5/22

1 stop11h 54m

Chicago O'Hare Intl

Wed 5/29

1 stop13h 22m

$112

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Mon 5/13

1 stop6h 56m

Chicago O'Hare Intl

Wed 5/22

1 stop13h 22m

$120

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Tue 5/14

2 stops33h 50m

Chicago O'Hare Intl

Tue 5/21

1 stop29h 40m

$126

San AntonioMoline Quad-City

SAT - MLI

SATMLI

San Antonio

Sun 6/16

1 stop5h 12m

Moline Quad-City

Sat 6/22

1 stop5h 37m

$258

San AntonioChicago O'Hare Intl

SAT - ORD

SATORD

San Antonio

Tue 5/7

Nonstop2h 47m

Chicago O'Hare Intl

Thu 5/9

Nonstop2h 57m

$259

Flights are sorted by cheapest first

Deals found on 4/15

No data available for this route at this time. Please check back soon.

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 April 16, 2024.
To help decide which airline to fly from San Antonio to Illinois, see what other customers have to say about American Airlines, Spirit Airlines 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.
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,085 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
11,123 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,360 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,952 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Volaris
6.7
Okay
1,556 reviews
Alaska Airlines
8.1
Very good
9,085 reviews
Check prices

Entertainment

7.3

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

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 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.

  • What airport do you fly from for flights from San Antonio to Illinois?

    Located just 7.6 mi from the city center, San Antonio (SAT) is the airport most travelers will use when flying to Illinois from San Antonio.

  • Can I find flights from San Antonio to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from San Antonio to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $96, but on average you can expect to pay $114.

  • Are there nonstop flights from San Antonio to Illinois for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from San Antonio to Illinois under $300. A good price for a nonstop flight from San Antonio to Illinois is less than $341.

  • Are there last-minute flights available from San Antonio to Illinois for under $200?

    There are currently 20+ open flights from San Antonio to Illinois within the next 7 days for less than $200.

  • What days are nonstop flights available from San Antonio to Illinois?

    You can find nonstop flights on the following days: Saturday.

  • How many flights depart from San Antonio to Illinois on average per day?

    4 flight departures from San Antonio to Illinois per day on average.
    Afternoon (Noon - 6pm) - 100% of flight departures

  • How long is the flight from San Antonio to Illinois?

    A quick flight from San Antonio to Illinois can take about 11h 54m. Frontier provides one of the quickest options available for as low as $96. San Antonio and Illinois are separated by a distance of 1048 mi. This flight may include one or multiple stops.

  • What are the most popular routes from San Antonio to Illinois?

    The most popular route from San Antonio to Illinois is San Antonio - Chicago O'Hare Intl. You may also consider San Antonio - Chicago Midway or San Antonio - Lambert-St Louis.

  • What are the most popular airlines that fly from San Antonio to Illinois?

    When booking a flight from San Antonio to Illinois, you may want to consider flying on American Airlines, Spirit Airlines or United Airlines as they are the most popular for this route.

  • What are the most reliable airlines from San Antonio to Illinois?

    Before booking your flight to Illinois from San Antonio, check out the most reliable airlines to get you to your destination on time: Gulf Air (100%), ANA (99%), Royal Jordanian( 95%).

  • What are the cheapest flights from San Antonio to Illinois?

    Looking at all options, your cheapest flight can be booked for $119. While the most popular route (San Antonio - Chicago O'Hare Intl) can be booked for $112 on average our data indicates $1,011 when flying from San Antonio to Illinois.

  • What does SAT to ORD mean?

    Great question - SAT to ORD just means San Antonio Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from San Antonio to Illinois that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Antonio to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Antonio to Illinois that include hotel bookings?

    Yes. In addition to deals on San Antonio to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from San Antonio to Illinois?

    Yes. Cheapflights offers flight deals from San Antonio to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Antonio to Illinois that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Antonio to Illinois?

    Yes, you can often find last-minute deals on San Antonio to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Antonio to Illinois flight deals updated?

    The San Antonio to Illinois flight deals you see on this page were last updated on 4/15.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.

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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 3,165,818 searches. Data last updated April 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$198FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$151Average$224FlexibilityNo cancel feeOn-time62%
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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.
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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 April 16, 2024.
28%of flight departuresEarly morningMidnight to 6 am
18%of flight departuresMorning6 am to noon
54%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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Can Cheapflights find flights from San Antonio to Illinois with no change fees?

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