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$179+ Cheap flights from South Bend (SBN) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(United Airlines)

Popular in

October

Cheapest in

November

Average price

$218

Good round-trip deal

$369 or less

Good one-way deal

$221 or less
Provider with most accurate pricing for South Bend/Michiana-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for South Bend/Michiana-Chicago (CHI) flights.
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From South Bend/Michiana to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from South Bend/Michiana to Illinois.
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Price to beat on a one-way flight from South Bend/Michiana to Illinois.
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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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 5/249:30 amSBN - ORD
Nonstop1h 06mUnited Airlines
Mon 5/262:20 pmORD - SBN
Nonstop0h 58mUnited Airlines
Deal found 4/29$179
This Delta deal was found by Cheapflights users on 4/30. 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 7/176:15 amSBN - STL
1 stop4h 26mDelta
Thu 7/246:40 amSTL - SBN
1 stop5h 54mDelta
Deal found 4/30$219
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/159:40 amSBN - STL
1 stop6h 07mUnited Airlines
Mon 5/195:29 pmSTL - SBN
1 stop4h 38mUnited Airlines
Deal found 4/30$237
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/115:47 pmSBN - ORD
3 stops40h 03mMultiple Airlines
Sun 6/155:15 amORD - SBN
1 stop14h 13mMultiple Airlines
Deal found 4/30$322
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 8/192:16 pmSBN - ORD
1 stop3h 18mDelta
Sun 8/248:55 amORD - SBN
1 stop3h 47mDelta
Deal found 4/30$1,083

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 May 1, 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 5/24

9:30 am-9:36 am

Nonstop1h 06m

Chicago O'Hare Intl

Mon 5/26

2:20 pm-4:18 pm

Nonstop0h 58m

$179

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 7/17

6:15 am-9:41 am

1 stop4h 26m

Lambert-St Louis

Thu 7/24

6:40 am-1:34 pm

1 stop5h 54m

$219

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 5/15

9:40 am-2:47 pm

1 stop6h 07m

Lambert-St Louis

Mon 5/19

5:29 pm-11:07 pm

1 stop4h 38m

$237

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Wed 6/11

5:47 pm-8:50 am

3 stops40h 03m

Chicago O'Hare Intl

Sun 6/15

5:15 am-8:28 pm

1 stop14h 13m

$322

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Tue 8/19

2:16 pm-4:34 pm

1 stop3h 18m

Chicago O'Hare Intl

Sun 8/24

8:55 am-1:42 pm

1 stop3h 47m

$1,083

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Tue 7/1

7:30 am-12:27 pm

1 stop5h 57m

$200

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Tue 7/8

2:14 pm-11:53 pm

2 stops10h 39m

$205

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Thu 10/2

3:21 pm-3:31 pm

Nonstop1h 10m

$219

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Sat 10/4

2:14 pm-12:39 pm

1 stop23h 25m

$247

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Tue 10/7

6:25 am-9:25 pm

1 stop16h 00m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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.

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 May 1, 2025.

The most flights from SBN to USIL are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 1, 2025.
To help decide which airline to fly from South Bend to Illinois, see what other customers have to say about Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 cheapest airlines to fly from South Bend to Illinois one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $200. Users have also found prices from $205 and $370 on Delta and American Airlines, respectively.

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

    Most travelers choose South Bend/Michiana - Lambert-St Louis, South Bend/Michiana - Chicago O'Hare Intl 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 (81%), 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 $526, our data shows the cheapest flight currently is $134. When looking at the most popular route, (South Bend/Michiana - Lambert-St Louis), you can expect to pay $219 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.

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Alternative routes for South Bend to Illinois

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$251FlexibilityNo cancel feeOn-time69%

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