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$164+ Cheap flights from South Bend (SBN) to Illinois

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — ORD
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from South Bend to Illinois

Cheapest flights from South Bend to Illinois
Explore the most affordable flight options available from South Bend to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:05 pm
SBN
-
ORD
Nonstop1h 21m
United Airlines
Sun 8/165:55 pm
ORD
-
SBN
Nonstop1h 07m
United Airlines
Deal found 7/22$249
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:26 pm
SBN
-
ORD
Nonstop1h 14m
United Airlines
Fri 8/145:55 pm
ORD
-
SBN
Nonstop1h 07m
United Airlines
Deal found 7/21$254
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:17 pm
SBN
-
ORD
Nonstop1h 12m
United Airlines
Sun 8/910:25 am
ORD
-
SBN
Nonstop1h 01m
United Airlines
Deal found 7/21$269
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:41 am
SBN
-
ORD
Nonstop1h 14m
United Airlines
Tue 8/118:40 am
ORD
-
SBN
Nonstop1h 06m
United Airlines
Deal found 7/24$279
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:40 pm
SBN
-
ORD
Nonstop1h 20m
United Airlines
Sun 10/188:50 am
ORD
-
SBN
Nonstop1h 07m
United Airlines
Deal found 7/21$287
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:39 am
SBN
-
STL
1 stop5h 23m
United Airlines
Mon 8/175:30 pm
STL
-
SBN
1 stop3h 33m
United Airlines
Deal found 7/22$289
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:45 am
SBN
-
ORD
Nonstop1h 14m
United Airlines
Sat 8/89:00 am
ORD
-
SBN
Nonstop1h 06m
United Airlines
Deal found 7/25$294
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:46 pm
SBN
-
ORD
1 stop28h 09m
Multiple Airlines
Fri 10/27:45 am
ORD
-
SBN
1 stop11h 12m
Multiple Airlines
Deal found 7/23$305
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:41 am
SBN
-
STL
1 stop5h 05m
United Airlines
Sun 8/96:00 am
STL
-
SBN
1 stop4h 06m
United Airlines
Deal found 7/21$309
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
SBN
-
ORD
Nonstop0h 59m
United Airlines
Sat 8/223:58 pm
ORD
-
SBN
Nonstop1h 07m
United Airlines
Deal found 7/21$319
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:45 am
SBN
-
STL
1 stop3h 49m
United Airlines
Tue 8/116:54 pm
STL
-
SBN
1 stop3h 39m
United Airlines
Deal found 7/23$319
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:41 am
SBN
-
ORD
Nonstop1h 14m
United Airlines
Thu 8/1310:25 am
ORD
-
SBN
Nonstop1h 05m
United Airlines
Deal found 7/22$322

Find flight deals from South Bend to Illinois

Keep the following information in mind while searching for South Bend to Illinois flight deals. Data was last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$164
(Kiwi.com)

Good round-trip deal

$352 or less

Good one-way deal

$302 or less
Provider with most accurate pricing for South Bend/Michiana-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for South Bend/Michiana-Chicago (CHI) flights.
Search Deals
From South Bend/Michiana to Illinois
Search Deals
One-way flight from South Bend/Michiana to Illinois
Search Deals
Price to beat on a round-trip flight from South Bend/Michiana to Illinois.
Search Deals
Price to beat on a one-way flight from South Bend/Michiana to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Bend 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 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from South Bend to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Mon 8/31

7:39 am-7:59 am

Nonstop1h 20m

Chicago O'Hare Intl

Wed 9/9

7:45 pm-9:48 pm

Nonstop1h 03m

$249

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Thu 8/13

1:05 pm-1:26 pm

Nonstop1h 21m

Chicago O'Hare Intl

Sun 8/16

5:55 pm-8:02 pm

Nonstop1h 07m

$249

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Thu 8/13

11:38 am-11:59 am

Nonstop1h 21m

Chicago O'Hare Intl

Mon 8/17

12:29 pm-2:28 pm

Nonstop0h 59m

$249

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Thu 8/27

7:39 pm-8:00 pm

Nonstop1h 21m

Chicago O'Hare Intl

Sun 8/30

3:58 pm-6:05 pm

Nonstop1h 07m

$249

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Fri 8/21

4:40 pm-5:01 pm

Nonstop1h 21m

Chicago O'Hare Intl

Fri 8/28

3:58 pm-6:05 pm

Nonstop1h 07m

$249

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Wed 8/5

6:26 pm-6:40 pm

Nonstop1h 14m

Chicago O'Hare Intl

Fri 8/14

5:55 pm-8:02 pm

Nonstop1h 07m

$254

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Wed 8/5

3:17 pm-3:29 pm

Nonstop1h 12m

Chicago O'Hare Intl

Sun 8/9

10:25 am-12:26 pm

Nonstop1h 01m

$269

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sat 8/29

7:39 pm-10:59 pm

1 stop4h 20m

Lambert-St Louis

Sun 8/30

5:30 pm-11:33 pm

1 stop5h 03m

$289

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 11/25

8:40 am-12:06 pm

1 stop4h 26m

Lambert-St Louis

Sat 11/28

7:33 am-12:39 pm

1 stop4h 06m

$289

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 9/11

11:24 am-3:38 pm

1 stop5h 14m

Lambert-St Louis

Mon 9/14

5:30 pm-10:02 pm

1 stop3h 32m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 47 resultsSorted by cheapest first
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Best time to book a flight from South Bend to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from South Bend 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.

Cheapflights Insights

Everything you need to know about your flight from South Bend to Illinois

What is the cheapest time of day to fly from SBN to IL?

Find hourly flight availability from South Bend 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 July 26, 2026.

A simple way to save on the total cost of your ticket is to fly from South Bend to Illinois in the afternoon. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight at noon.

Weekly flight availability from South Bend to Illinois

Explore weekly flight availability from South Bend to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 26, 2026.

The most flights from SBN to USIL are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from South Bend to Illinois?

Airfare is below average for this route at the moment.
South Bend to Illinois flights typically cost between $294 and $436 in August.
The cheapest round-trip price found within the last 5 days was $249 on United Airlines (Aug 13-Aug 16).

What is the cheapest day to fly from South Bend to Illinois?

Use this chart to determine the cheapest time to fly round-trip from South Bend to Illinois. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their South Bend to Illinois flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 26, 2026.
Read reviews from past customers who have flown United Airlines from South Bend to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,040 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
10,040 reviews
United Airlines
7.4
Good
10,040 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from South Bend 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 South Bend to Illinois?

    South Bend/Michiana (SBN), located 3.4 mi from the city center, is the airport you fly out of when you book flights from South Bend to Illinois.

  • How long is the flight from South Bend to Illinois?

    A quick flight from South Bend to Illinois can take about 1h 20m. United Airlines provides one of the quickest options available for as low as $249. There are 84 mi between South Bend and Illinois. This flight may include one or multiple stops.

  • What are the most popular routes from South Bend to Illinois?

    Most travelers choose South Bend/Michiana - Chicago O'Hare Intl, South Bend/Michiana - Lambert-St Louis or South Bend/Michiana - Chicago Midway when deciding on the best route from South Bend to Illinois.

  • What are the most reliable airlines from South Bend to Illinois?

    No one likes to see their flight delayed. When booking a flight from South Bend to Illinois consider choosing Air New Zealand (80%), SkyWest Airlines (64%) or United Airlines (64%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from South Bend to Illinois?

    While on average a flight from South Bend to Illinois is generally $407, our data shows the cheapest flight currently is $257. When looking at the most popular route, (South Bend/Michiana - Chicago O'Hare Intl), you can expect to pay $249 for that flight.

  • Can I find deals for flights from South Bend to Illinois that include hotel bookings?

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

  • How can I find direct flights from South Bend to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Bend to Illinois.

  • Can I find deals for business class flights from South Bend to Illinois?

    Yes. Cheapflights offers flight deals from South Bend 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.

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 airline flying from South Bend to Illinois

Discover the top airline that operate flights from South Bend 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 2,558,603 searches. Data last updated July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$269FlexibilityNo cancel feeOn-time69%

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