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$163+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — ORD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$163
(Mytrip)

Popular in

October

Cheapest in

November

Average price

$213

Good round-trip deal

$367 or less

Good one-way deal

$252 or less
From South Bend/Michiana to Illinois
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One-way flight from South Bend/Michiana to Illinois
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Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/3. 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 7/319:20 amSBN - ORD
Nonstop1h 06mUnited Airlines
Thu 8/73:40 pmORD - SBN
Nonstop0h 59mUnited Airlines
Deal found 7/3$179
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 7/151:09 pmSBN - STL
1 stop3h 38mUnited Airlines
Tue 7/226:33 amSTL - SBN
1 stop5h 00mUnited Airlines
Deal found 7/1$224
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Thu 7/3110:46 pmSBN - ORD
1 stop16h 27mMultiple Airlines
Thu 8/74:36 pmORD - SBN
1 stop15h 35mMultiple Airlines
Deal found 7/3$249
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Thu 7/319:15 pmSBN - MDW
2 stops17h 41mAllegiant Air
Thu 8/711:07 amMDW - SBN
1 stop6h 50mAllegiant Air
Deal found 7/3$258
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 7/57:19 amSBN - STL
1 stop4h 13mDelta
Mon 7/73:42 pmSTL - SBN
1 stop5h 07mDelta
Deal found 7/1$259
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/77:51 pmSBN - STL
1 stop37h 28mAmerican Airlines
Sun 7/1312:48 pmSTL - SBN
1 stop10h 39mAmerican Airlines
Deal found 7/3$921

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 3, 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

Thu 7/31

9:20 am-9:26 am

Nonstop1h 06m

Chicago O'Hare Intl

Thu 8/7

3:40 pm-5:39 pm

Nonstop0h 59m

$179

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Tue 7/15

1:09 pm-3:47 pm

1 stop3h 38m

Lambert-St Louis

Tue 7/22

6:33 am-12:33 pm

1 stop5h 00m

$224

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Thu 7/31

10:46 pm-2:13 pm

1 stop16h 27m

Chicago O'Hare Intl

Thu 8/7

4:36 pm-9:11 am

1 stop15h 35m

$249

South BendChicago

SBN - MDW

SBNMDW

South Bend/Michiana

Thu 7/31

9:15 pm-1:56 pm

2 stops17h 41m

Chicago Midway

Thu 8/7

11:07 am-6:57 pm

1 stop6h 50m

$258

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 8/14

6:15 am-9:57 am

1 stop4h 42m

Lambert-St Louis

Thu 8/21

2:15 pm-8:44 pm

1 stop5h 29m

$279

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Sat 7/26

2:14 pm-7:49 am

1 stop18h 35m

Chicago O'Hare Intl

Sun 7/27

7:01 pm-1:34 pm

1 stop17h 33m

$575

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Sun 7/20

10:46 pm-2:13 pm

1 stop16h 27m

$163

South BendChicago

SBN - MDW

SBNMDW

South Bend/Michiana

Sun 8/10

7:47 pm-1:56 pm

2 stops19h 09m

$163

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 8/6

6:15 am-9:41 am

1 stop4h 26m

$200

South BendChicago

SBN - ORD

SBNORD

South Bend/Michiana

Fri 7/25

7:30 am-7:37 am

Nonstop1h 07m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
1
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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 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 July 3, 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 July 3, 2025.

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

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

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 3, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Allegiant Air from South Bend to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
708 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Allegiant Air. According to our data, you can fly for as low as $163. Users have also found prices from $200 and $204 on Delta and United 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 (86%), SkyWest Airlines (72%) or United Airlines (72%) 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 $1,145, our data shows the cheapest flight currently is $169. When looking at the most popular route, (South Bend/Michiana - Lambert-St Louis), you can expect to pay $229 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

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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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$311FlexibilityNo cancel feeOn-time69%

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