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$149+ Cheap flights from Ontario to South Bend (ONT - SBN)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SBN
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Ontario to South Bend

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to South Bend (SBN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 14, 2025.

Round-trip from

$253
(Trip.com)

One-way from

$149
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$491
From Ontario to South Bend/Michiana
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One-way flight from Ontario to South Bend/Michiana
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Highest demand for flights based on searches. 21% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to South Bend

Cheapest flights from Ontario to South Bend
Explore the most affordable flight options available from Ontario to South Bend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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.
Thu 9/259:16 amONT - SBN
1 stop9h 18mMultiple Airlines
Sun 9/2810:24 pmSBN - ONT
1 stop11h 53mMultiple Airlines
Deal found 9/14$253
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/1111:59 pmONT - SBN
1 stop9h 13mAmerican Airlines
Tue 10/145:26 pmSBN - ONT
1 stop8h 16mAmerican Airlines
Deal found 9/12$289
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/116:00 amONT - SBN
2 stops11h 16mUnited Airlines
Tue 10/146:12 pmSBN - ONT
1 stop7h 18mUnited Airlines
Deal found 9/12$294
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/3010:05 amONT - SBN
1 stop8h 20mMultiple Airlines
Mon 11/312:48 pmSBN - ONT
2 stops38h 02mMultiple Airlines
Deal found 9/13$298
This Delta deal was found by Cheapflights users on 9/13. 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 10/711:36 amONT - SBN
1 stop7h 03mDelta
Wed 10/155:09 pmSBN - ONT
1 stop8h 13mDelta
Deal found 9/13$314
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 10/317:35 amONT - SBN
2 stops11h 54mDelta
Mon 11/32:16 pmSBN - ONT
2 stops11h 06mDelta
Deal found 9/13$369
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/47:02 amONT - SBN
1 stop7h 34mUnited Airlines
Wed 10/84:37 pmSBN - ONT
1 stop8h 53mUnited Airlines
Deal found 9/12$379
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/3111:59 pmONT - SBN
1 stop8h 29mAmerican Airlines
Mon 11/31:07 pmSBN - ONT
1 stop9h 34mAmerican Airlines
Deal found 9/13$383
This American Airlines deal was found by Cheapflights users on 9/12. 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 12/2211:59 pmONT - SBN
1 stop8h 58mAmerican Airlines
Sat 1/107:15 amSBN - ONT
2 stops10h 42mAmerican Airlines
Deal found 9/12$385
This Delta deal was found by Cheapflights users on 9/12. 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 9/1311:55 amONT - SBN
1 stop6h 54mDelta
Tue 10/76:14 amSBN - ONT
1 stop7h 12mDelta
Deal found 9/12$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to South Bend 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 September 14, 2025.
Use the filters below to find and compare flights from Ontario to South Bend that are best for you.

Fly from

Ontario

Fly to

South Bend

Route

Depart

Return

Price

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Thu 9/25

9:16 am-9:34 pm

1 stop9h 18m

South Bend/Michiana

Sun 9/28

10:24 pm-7:17 am

1 stop11h 53m

$253

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Sat 10/11

6:00 am-8:16 pm

2 stops11h 16m

South Bend/Michiana

Tue 10/14

6:12 pm-10:30 pm

1 stop7h 18m

$294

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Thu 10/30

10:05 am-9:25 pm

1 stop8h 20m

South Bend/Michiana

Mon 11/3

12:48 pm-11:50 pm

2 stops38h 02m

$298

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Tue 10/7

11:36 am-9:39 pm

1 stop7h 03m

South Bend/Michiana

Wed 10/15

5:09 pm-10:22 pm

1 stop8h 13m

$314

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Mon 12/22

11:59 pm-11:57 am

1 stop8h 58m

South Bend/Michiana

Sat 1/10

1:51 pm-5:53 pm

1 stop7h 02m

$379

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Sat 10/4

7:02 am-5:36 pm

1 stop7h 34m

South Bend/Michiana

Wed 10/8

4:37 pm-10:30 pm

1 stop8h 53m

$379

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Thu 10/30

10:29 pm-10:32 am

1 stop9h 03m

South Bend/Michiana

Mon 11/3

1:07 pm-7:41 pm

1 stop9h 34m

$379

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Sat 10/4

7:02 am-4:02 pm

1 stop6h 00m

South Bend/Michiana

Tue 10/7

6:12 pm-10:30 pm

1 stop7h 18m

$379

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Fri 10/31

11:59 pm-11:28 am

1 stop8h 29m

South Bend/Michiana

Mon 11/3

1:07 pm-7:41 pm

1 stop9h 34m

$383

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Sat 3/7

10:30 pm-10:37 am

1 stop9h 07m

South Bend/Michiana

Wed 3/11

6:00 am-11:38 am

1 stop8h 38m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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Best time to book a flight from Ontario to South Bend

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to South Bend (average of $328). Flying from Ontario to South Bend in July is currently the most expensive (average of $414). 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.

Reviews of airlines servicing South Bend

Get insights into the airlines that provide service to South Bend. 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 South Bend. Reviews last updated September 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Ontario to South Bend have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to South Bend. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    United Airlines, Delta, and American Airlines can get you from Ontario to South Bend in just under 7h 03m. Your travel time can differ by up to 4h 13m. There are 1774 mi between Ontario and South Bend. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Ontario to South Bend round-trip?

    According to our current data, Delta ($276), American Airlines ($278), and United Airlines ($288) offers the cheapest pricing from Ontario to South Bend. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to South Bend 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 Ontario to South Bend?

    Currently, January is the cheapest month in which you can book a flight from Ontario to South Bend (average of $328). Flying from Ontario to South Bend in July is currently the most expensive (average of $414). 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

Traveling to a place near South Bend?

Book flights to South Bend if you plan to visit one of these locations
Elkhart
Mishawaka
Goshen

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Top 3 airlines flying from Ontario to South Bend

Discover the top 3 airlines that operate flights from Ontario to South Bend. 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$465FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$443FlexibilityNo cancel feeOn-time69%
DeltaCheapest$313Average$401FlexibilityNo cancel feeOn-timeN/A

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