HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$176+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — ONT
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Bend to Ontario 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 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 December 27, 2025.

This Delta deal was found by Cheapflights users on 12/27. 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.
Mon 12/295:54 pmSBN - ONT
1 stop8h 29mDelta
Mon 1/510:30 pmONT - SBN
1 stop9h 34mDelta
Deal found 12/27$484
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Sun 12/286:22 pmSBN - ONT
1 stop7h 03mUnited Airlines
Mon 1/511:59 pmONT - SBN
1 stop8h 13mUnited Airlines
Deal found 12/27$574
This Delta deal was found by Cheapflights users on 12/27. 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.
Mon 12/295:54 pmSBN - ONT
1 stop8h 29mDelta
Thu 1/810:30 pmONT - SBN
1 stop9h 34mDelta
Deal found 12/27$589
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Wed 12/314:10 pmSBN - ONT
1 stop9h 15mUnited Airlines
Mon 1/511:59 pmONT - SBN
1 stop8h 13mUnited Airlines
Deal found 12/27$604
This United Airlines deal was found by Cheapflights users on 12/25. 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 12/254:10 pmSBN - ONT
1 stop9h 15mUnited Airlines
Wed 12/3111:59 pmONT - SBN
1 stop7h 55mUnited Airlines
Deal found 12/25$609
This United Airlines deal was found by Cheapflights users on 12/24. 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.
Wed 12/314:10 pmSBN - ONT
1 stop9h 15mUnited Airlines
Thu 1/15:05 amONT - SBN
2 stops10h 52mUnited Airlines
Deal found 12/24$639
This Delta deal was found by Cheapflights users on 12/27. 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.
Sun 12/2812:38 pmSBN - ONT
1 stop10h 12mDelta
Wed 1/710:30 pmONT - SBN
1 stop9h 34mDelta
Deal found 12/27$653
This Delta deal was found by Cheapflights users on 12/27. 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.
Mon 12/295:54 pmSBN - ONT
1 stop8h 29mDelta
Fri 1/96:00 amONT - SBN
2 stops13h 35mDelta
Deal found 12/27$703
This Delta deal was found by Cheapflights users on 12/27. 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 12/305:54 pmSBN - ONT
1 stop8h 29mDelta
Tue 1/610:30 pmONT - SBN
1 stop9h 34mDelta
Deal found 12/27$729
This Delta deal was found by Cheapflights users on 12/27. 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 12/305:54 pmSBN - ONT
1 stop8h 29mDelta
Thu 1/810:30 pmONT - SBN
1 stop9h 34mDelta
Deal found 12/27$834

Find 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 December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$262
(Kiwi.com)

One-way from

$176
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$668
Provider with most accurate pricing for South Bend/Michiana-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for South Bend/Michiana-Ontario flights.
Search Deals
From South Bend/Michiana to Ontario
Search Deals
One-way flight from South Bend/Michiana to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 27, 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

Thu 4/23

12:18 pm-6:28 pm

1 stop9h 10m

Ontario

Tue 4/28

10:15 pm-1:30 pm

2 stops12h 15m

$314

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Thu 2/12

2:05 pm-9:05 pm

2 stops10h 00m

Ontario

Mon 2/16

10:20 pm-11:07 am

1 stop9h 47m

$314

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 5/9

1:30 pm-6:15 pm

1 stop7h 45m

Ontario

Tue 5/12

12:00 pm-11:08 pm

1 stop8h 08m

$334

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 1/17

1:35 pm-9:05 pm

1 stop10h 30m

Ontario

Mon 1/19

10:30 pm-11:04 am

1 stop9h 34m

$344

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 5/9

1:30 pm-6:15 pm

1 stop7h 45m

Ontario

Wed 5/13

12:00 pm-11:08 pm

1 stop8h 08m

$359

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 5/12

5:25 pm-10:09 pm

1 stop7h 44m

Ontario

Sat 5/16

12:00 pm-11:08 pm

1 stop8h 08m

$379

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Wed 5/13

12:13 pm-6:15 pm

1 stop9h 02m

Ontario

Mon 5/18

10:59 pm-11:34 am

1 stop9h 35m

$379

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 3/17

4:45 pm-10:25 pm

1 stop8h 40m

Ontario

Mon 3/23

11:59 pm-10:37 am

1 stop7h 38m

$399

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Mon 3/9

4:45 pm-10:25 pm

1 stop8h 40m

Ontario

Mon 3/16

11:59 pm-10:37 am

1 stop7h 38m

$399

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 3/17

4:45 pm-10:25 pm

1 stop8h 40m

Ontario

Tue 3/24

11:59 pm-10:37 am

1 stop7h 38m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from South Bend to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from South Bend to Ontario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on South Bend-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on South Bend-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from South Bend-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on South Bend-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for South Bend-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from South Bend to Ontario (average of $80). Flying from South Bend to Ontario in January is currently the most expensive (average of $124). 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 December 27, 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
7.9
Good
8,019 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

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
7.9
Good
8,019 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

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
11,072 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

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?

    Delta can get you from South Bend to Ontario in just under 9h 10m. Your travel time can differ by up to . The distance from South Bend to Ontario is about 1774 mi.

  • 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 45% 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, September is the cheapest month in which you can book a flight from South Bend to Ontario (average of $80). Flying from South Bend to Ontario in January is currently the most expensive (average of $124). 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 Ontario

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 Los Angeles flights
O'Hare Intl to San Francisco flights
Midway to Las Vegas flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to San Diego flights
Cincinnati to Las Vegas flights
Indianapolis to Los Angeles flights
O'Hare Intl to Palm Springs flights
Midway to Los Angeles flights
O'Hare Intl to Ontario flights
Cincinnati to Los Angeles flights
O'Hare Intl to Reno flights
Indianapolis to Las Vegas flights
Midway to San Francisco flights
O'Hare Intl to Burbank flights
Louisville to Las Vegas flights
O'Hare Intl to Sacramento flights
Midway to Santa Ana flights
Indianapolis to Ontario flights
Indianapolis to San Francisco flights
Midway to San Diego flights
Rockford to Las Vegas flights
Indianapolis to San Diego flights
Midway to Palm Springs flights
Cincinnati to San Diego flights
Cincinnati to Ontario flights
O'Hare Intl to San Jose flights
Midway to Ontario flights
Fort Wayne to Las Vegas flights
Louisville to Los Angeles flights
Midway to Reno flights
Indianapolis to Santa Ana flights
Dayton to Las Vegas flights
Cincinnati to Santa Ana flights
Indianapolis to Burbank flights
Cincinnati to San Francisco flights
O'Hare Intl to Santa Barbara flights
Midway to Burbank flights
O'Hare Intl to Oakland flights
O'Hare Intl to Long Beach flights
Indianapolis to Palm Springs flights
Dayton to Los Angeles flights
Cincinnati to Palm Springs flights
Louisville to Ontario flights
Midway to San Jose flights
Louisville to San Diego flights
Midway to Sacramento flights
O'Hare Intl to Fresno flights
Midway to Oakland flights

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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$445FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$394FlexibilityNo cancel feeOn-timeN/A

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.