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$139+ Cheap flights from South Bend to Ontario (SBN - ONT)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — ONT
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from South Bend to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from South Bend (SBN) to Ontario (ONT). 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 August 21, 2025.

Round-trip from

$377
(United Airlines)

One-way from

$139
(Delta)

Popular in

December

Cheapest in

November

Average price

$438
From South Bend/Michiana to Ontario
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One-way flight from South Bend/Michiana to Ontario
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Highest demand for flights based on searches. 14% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from South Bend to Ontario

Cheapest flights from South Bend to Ontario
Explore the most affordable flight options available from South Bend to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 12/91:08 pmSBN - ONT
2 stops12h 41mUnited Airlines
Mon 12/156:41 pmONT - SBN
2 stops13h 02mUnited Airlines
Deal found 8/21$377
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/134:55 pmSBN - ONT
1 stop8h 35mUnited Airlines
Tue 9/235:10 amONT - SBN
2 stops9h 26mUnited Airlines
Deal found 8/19$378
This Delta deal was found by Cheapflights users on 8/20. 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 10/145:09 pmSBN - ONT
1 stop8h 13mDelta
Sat 10/1811:36 amONT - SBN
1 stop7h 03mDelta
Deal found 8/20$399
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:49 amSBN - ONT
2 stops35h 53mMultiple Airlines
Sat 10/251:37 pmONT - SBN
1 stop28h 53mMultiple Airlines
Deal found 8/21$419
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:26 pmSBN - ONT
1 stop8h 16mAmerican Airlines
Sun 10/1911:59 pmONT - SBN
1 stop9h 13mAmerican Airlines
Deal found 8/21$429
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/51:11 pmSBN - ONT
2 stops10h 32mUnited Airlines
Tue 9/97:00 amONT - SBN
1 stop6h 18mUnited Airlines
Deal found 8/21$434
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 10/144:37 pmSBN - ONT
1 stop8h 53mUnited Airlines
Sat 10/186:36 pmONT - SBN
2 stops13h 36mUnited Airlines
Deal found 8/21$490
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 10/106:41 pmSBN - ONT
1 stop6h 49mUnited Airlines
Sun 10/127:02 amONT - SBN
1 stop7h 34mUnited Airlines
Deal found 8/21$493
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 9/24:55 pmSBN - ONT
1 stop8h 35mUnited Airlines
Fri 9/55:10 amONT - SBN
2 stops12h 23mUnited Airlines
Deal found 8/21$514

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Bend to Ontario 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 21, 2025.
Use the filters below to find and compare flights from South Bend to Ontario that are best for you.

Fly from

South Bend

Fly to

Ontario

Route

Depart

Return

Price

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 12/9

1:08 pm-10:49 pm

2 stops12h 41m

Ontario

Mon 12/15

6:41 pm-10:43 am

2 stops13h 02m

$377

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 9/13

4:55 pm-10:30 pm

1 stop8h 35m

Ontario

Tue 9/23

5:10 am-5:36 pm

2 stops9h 26m

$378

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 10/14

5:09 pm-10:22 pm

1 stop8h 13m

Ontario

Sat 10/18

11:36 am-9:39 pm

1 stop7h 03m

$399

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Mon 10/20

11:49 am-8:42 pm

2 stops35h 53m

Ontario

Sat 10/25

1:37 pm-9:30 pm

1 stop28h 53m

$419

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 10/14

5:26 pm-10:42 pm

1 stop8h 16m

Ontario

Mon 10/20

11:59 pm-11:58 am

1 stop8h 59m

$429

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 10/14

5:26 pm-10:42 pm

1 stop8h 16m

Ontario

Sun 10/19

11:59 pm-12:12 pm

1 stop9h 13m

$429

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Fri 9/5

4:55 pm-10:30 pm

1 stop8h 35m

Ontario

Tue 9/9

7:00 am-5:36 pm

1 stop7h 36m

$429

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 10/14

4:37 pm-10:30 pm

1 stop8h 53m

Ontario

Sat 10/18

6:36 pm-11:12 am

2 stops13h 36m

$490

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Fri 10/10

6:41 pm-10:30 pm

1 stop6h 49m

Ontario

Sun 10/12

7:02 am-5:36 pm

1 stop7h 34m

$493

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 9/23

6:05 am-10:42 am

1 stop7h 37m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 19 results
1
2

Best time to book a flight from South Bend to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from South Bend to Ontario (average of $246). Flying from South Bend to Ontario in March is currently the most expensive (average of $328). 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 Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated August 21, 2025.
Read through reviews of airlines operating flights from South Bend to Ontario, such as Delta 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
7,981 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
7,981 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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 Ontario. 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 South Bend to Ontario?

    United Airlines, Delta, and American Airlines can get you from South Bend to Ontario in just under 8h 13m. Your travel time can differ by up to 4h 28m. The distance from South Bend to Ontario is about 1774 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $248, American Airlines will fly you from South Bend to Ontario and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $276. You may be able to fly from South Bend to Ontario for 43% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from South Bend to Ontario (average of $246). Flying from South Bend to Ontario in March is currently the most expensive (average of $328). 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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Alternative routes for South Bend to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from South Bend to Ontario

Discover the top 2 airlines that operate flights from South Bend to Ontario. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$429FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$372FlexibilityNo cancel feeOn-timeN/A

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