HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$158+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — ORD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Bend to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 August 18, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$158
(Kiwi.com)

Popular in

October

Cheapest in

November

Average price

$209

Good round-trip deal

$348 or less

Good one-way deal

$233 or less
From South Bend/Michiana to Illinois
Search Deals
One-way flight from South Bend/Michiana to Illinois
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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

Find 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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. 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 9/133:59 pmSBN - ORD
Nonstop1h 09mUnited Airlines
Sat 9/201:17 pmORD - SBN
Nonstop1h 01mUnited Airlines
Deal found 8/16$179
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 9/83:59 pmSBN - ORD
Nonstop1h 09mUnited Airlines
Tue 10/710:35 amORD - SBN
Nonstop1h 01mUnited Airlines
Deal found 8/17$189
This United Airlines deal was found by Cheapflights users on 8/16. 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 8/299:10 amSBN - ORD
Nonstop1h 10mUnited Airlines
Mon 9/110:35 amORD - SBN
Nonstop1h 01mUnited Airlines
Deal found 8/16$199
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/216:47 pmSBN - ORD
Nonstop1h 05mUnited Airlines
Mon 12/15:50 pmORD - SBN
Nonstop1h 02mUnited Airlines
Deal found 8/16$215
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:15 pmSBN - STL
1 stop3h 22mDelta
Wed 10/86:40 amSTL - SBN
1 stop5h 56mDelta
Deal found 8/17$219
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 9/811:19 amSBN - ORD
1 stop24h 33mMultiple Airlines
Tue 10/76:40 pmORD - SBN
1 stop19h 33mMultiple Airlines
Deal found 8/17$223
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:00 pmSBN - STL
1 stop6h 01mDelta
Sat 9/65:25 pmSTL - SBN
1 stop4h 15mDelta
Deal found 8/17$229
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:55 pmSBN - ORD
Nonstop1h 10mUnited Airlines
Sun 9/72:17 pmORD - SBN
Nonstop1h 01mUnited Airlines
Deal found 8/16$234
This United Airlines deal was found by Cheapflights users on 8/16. 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 8/299:10 amSBN - STL
1 stop6h 23mUnited Airlines
Mon 9/16:35 amSTL - SBN
1 stop5h 01mUnited Airlines
Deal found 8/16$234
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/183:59 pmSBN - ORD
Nonstop1h 09mUnited Airlines
Sun 9/2110:35 amORD - SBN
Nonstop1h 01mUnited Airlines
Deal found 8/17$239
This United Airlines deal was found by Cheapflights users on 8/16. 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 8/161:09 pmSBN - ORD
Nonstop1h 06mUnited Airlines
Sat 9/203:35 pmORD - SBN
Nonstop1h 01mUnited Airlines
Deal found 8/16$244
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:50 amSBN - STL
1 stop5h 16mDelta
Mon 8/253:42 pmSTL - SBN
1 stop5h 07mDelta
Deal found 8/16$249

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 August 18, 2025.
Use the filters below to find and compare flights from South Bend to Illinois that are best for you.

Fly from

South Bend

Fly to

Illinois

Route

Depart

Return

Price

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Sat 9/13

3:59 pm-4:08 pm

Nonstop1h 09m

Chicago O'Hare Intl

Sat 9/20

1:17 pm-3:18 pm

Nonstop1h 01m

$179

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Mon 9/8

3:59 pm-4:08 pm

Nonstop1h 09m

Chicago O'Hare Intl

Tue 10/7

10:35 am-12:36 pm

Nonstop1h 01m

$189

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Fri 8/29

9:10 am-9:20 am

Nonstop1h 10m

Chicago O'Hare Intl

Mon 9/1

7:35 pm-9:40 pm

Nonstop1h 05m

$199

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Sat 8/30

4:55 pm-5:05 pm

Nonstop1h 10m

Chicago O'Hare Intl

Tue 9/2

6:05 pm-8:16 pm

Nonstop1h 11m

$199

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 10/1

2:15 pm-4:37 pm

1 stop3h 22m

Lambert-St Louis

Wed 10/8

6:40 am-1:36 pm

1 stop5h 56m

$219

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sat 10/11

6:14 am-12:35 pm

1 stop7h 21m

Lambert-St Louis

Tue 10/14

6:40 am-1:36 pm

1 stop5h 56m

$219

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Mon 9/8

11:19 am-10:52 am

1 stop24h 33m

Chicago O'Hare Intl

Tue 10/7

6:40 pm-3:13 pm

1 stop19h 33m

$223

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 9/4

2:00 pm-7:01 pm

1 stop6h 01m

Lambert-St Louis

Sat 9/6

5:25 pm-10:40 pm

1 stop4h 15m

$229

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Sat 9/6

4:55 pm-5:05 pm

Nonstop1h 10m

Chicago O'Hare Intl

Sun 9/7

2:17 pm-4:18 pm

Nonstop1h 01m

$234

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 8/29

9:10 am-2:33 pm

1 stop6h 23m

Lambert-St Louis

Mon 9/1

6:35 am-12:36 pm

1 stop5h 01m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 25 results
1
2
3

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 month to book a flight from South Bend to Illinois?

Currently, August is the cheapest month in which you can book a flight from South Bend to Illinois (average of $245). Flying from South Bend to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 August 18, 2025.

When flying from South Bend 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.

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 August 18, 2025.
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
8,925 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

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.

  • 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 (69%), SkyWest Airlines (59%) or United Airlines (59%) 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 $861, our data shows the cheapest flight currently is $158. When looking at the most popular route, (South Bend/Michiana - Chicago O'Hare Intl), you can expect to pay $179 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.

  • What is the cheapest month to book a flight from South Bend to Illinois?

    Currently, August is the cheapest month in which you can book a flight from South Bend to Illinois (average of $245). Flying from South Bend to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Bend to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Seattle flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Orlando flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Boston flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Denver flights
O'Hare Intl to Miami flights
Midway to Las Vegas flights
O'Hare Intl to Fort Lauderdale flights
Cincinnati to Las Vegas flights
Cincinnati to Orlando flights
Midway to LaGuardia flights
Indianapolis to LaGuardia flights
O'Hare Intl to Dulles Intl flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Atlanta flights
O'Hare Intl to San Diego flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Honolulu flights
Cincinnati to John F Kennedy Intl flights
Cincinnati to LaGuardia flights
O'Hare Intl to Tampa flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Ontario flights
Indianapolis to Orlando flights
O'Hare Intl to Austin flights
Indianapolis to John F Kennedy Intl flights
O'Hare Intl to Nashville flights
Cincinnati to Denver flights
Midway to Newark flights
O'Hare Intl to Portland flights
O'Hare Intl to Baltimore flights
Cincinnati to Fort Lauderdale flights
Midway to Denver flights
Midway to Miami flights
Indianapolis to Las Vegas flights
Midway to John F Kennedy Intl flights
Cincinnati to Boston flights
O'Hare Intl to Hobby flights
Midway to Sky Harbor Intl flights
Indianapolis to Newark flights
Indianapolis to Dallas/Fort Worth flights
O'Hare Intl to Charlotte flights

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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$312FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.