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$303 Cheap Flights from Ontario Intl. Airport (ONT) to South Bend (SBN)

View $303 flight on Sun, Dec 6, 2026Opens in a new window

Popular airlines from Ontario Intl. Airport (ONT) to South Bend Intl. Airport (SBN)

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Cheap Flights from Ontario Intl. Airport to South Bend (ONT-SBN)

Prices were available within the past 7 days and start at $303 for one-way flights and $358 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 12 - Sat, Sep 19
ONT
Ontario
SBN
South Bend
$358 Roundtrip, found 7 hours ago
$358
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 12 from Ontario to South Bend, returning Sat, Sep 19, priced at $358 found 7 hours ago
Delta
Sat, Sep 12 - Sat, Sep 19
ONT
Ontario
SBN
South Bend
$364 Roundtrip, found 7 hours ago
$364
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Sep 12 from Ontario to South Bend, returning Sat, Sep 19, priced at $364 found 7 hours ago
American Airlines
Wed, Sep 23 - Tue, Sep 29
ONT
Ontario
SBN
South Bend
$372 Roundtrip, found 9 hours ago
$372
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Sep 23 from Ontario to South Bend, returning Tue, Sep 29, priced at $372 found 9 hours ago
Delta
Sat, Sep 12 - Sat, Sep 19
ONT
Ontario
SBN
South Bend
$377 Roundtrip, found 7 hours ago
$377
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Sep 12 from Ontario to South Bend, returning Sat, Sep 19, priced at $377 found 7 hours ago
American Airlines
Fri, Aug 28 - Sat, Aug 29
ONT
Ontario
SBN
South Bend
$394 Roundtrip, found 17 hours ago
$394
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Fri, Aug 28 from Ontario to South Bend, returning Sat, Aug 29, priced at $394 found 17 hours ago
Delta
Sat, Sep 12 - Sat, Sep 19
ONT
Ontario
SBN
South Bend
$399 Roundtrip, found 7 hours ago
$399
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Sep 12 from Ontario to South Bend, returning Sat, Sep 19, priced at $399 found 7 hours ago
United
Wed, Sep 9 - Sat, Sep 12
ONT
Ontario
SBN
South Bend
$402 Roundtrip, found 4 hours ago
$402
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 9 from Ontario to South Bend, returning Sat, Sep 12, priced at $402 found 4 hours ago
United
Fri, Aug 28 - Mon, Aug 31
ONT
Ontario
SBN
South Bend
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 28 from Ontario to South Bend, returning Mon, Aug 31, priced at $404 found 1 day ago
United
Tue, Sep 22 - Fri, Oct 2
ONT
Ontario
SBN
South Bend
$410 Roundtrip, found 2 days ago
$410
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 22 from Ontario to South Bend, returning Fri, Oct 2, priced at $410 found 2 days ago
United
Fri, Nov 27 - Sat, Dec 5
ONT
Ontario
SBN
South Bend
$416 Roundtrip, found 16 hours ago
$416
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Nov 27 from Ontario to South Bend, returning Sat, Dec 5, priced at $416 found 16 hours ago

Find the cheapest month to fly from Ontario (ONT) to South Bend (SBN)

December is typically the cheapest month to fly

From $288 - $707 per traveler.

What you need to know for your flight from Ontario Intl. Airport to South Bend Intl.

Ontario (ONT) to South Bend (SBN) at a glance

Explore a range of options for flights from Ontario (ONT) to South Bend (SBN) on this domestic short-haul route. You can compare various airlines, from full-service carriers to budget-friendly choices, to find the best itinerary that matches your budget, schedule, and travel plans. Discover the key details for Ontario to South Bend flights as you prepare to experience the sights and neighborhoods that South Bend has to offer.

  • Fastest flight duration: around 5h 30m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 1,800 miles (2,900 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$525, depending on seasonality and how far ahead you book

Flights from Los Angeles - Ontario International Airport (ONT) to South Bend International Airport (SBN)

According to recent traveler bookings, the top airlines flying from Ontario to South Bend are favored for their one-stop and multi-stop options. Popular layover cities include Dallas-Fort Worth International Airport (DFW), with a typical layover of about 1 hour and 30 minutes; O'Hare International Airport (ORD), averaging 1 hour and 15 minutes; and Hartsfield-Jackson Atlanta International Airport (ATL), with an approximate layover of 55 minutes. This variety allows you to customize your itinerary by balancing price, total travel time, and cabin class.

  • American Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally falling between $125 and $555. It operates around 61% of flights on this route, offering an in-flight duration of 5 hours and 30 minutes, leading to a total travel time of approximately 7 hours and 15 minutes, including any layover.
  • United: Another full-service option, United offers both one-stop and multi-stop itineraries, with one-way fares typically ranging from $140 to $530. Covering about 25% of departures on this route, the airline features a standard one-stop flight time of 5 hours and 30 minutes, resulting in a total journey duration of roughly 7 hours and 15 minutes.
  • Delta: Delta Airlines also provides a full-service experience with one-stop flights, and its one-way fares usually range from $140 to $430. Representing nearly 14% of departures on this route, passengers can expect an in-flight time of 5 hours and 30 minutes, with the total travel time being about 7 hours and 15 minutes, including layover periods.

Best time to fly from Ontario (ONT) to South Bend (SBN)

The most popular months for travelers flying from Ontario to South Bend are March, June, and August, when peak temperatures in South Bend reach up to 70.9°F in August. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 26.8°F. For better deals, July usually offers the lowest average one-way fare around $219. Flight availability peaks in March and August, with approximately 10 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: July usually offers good deals with average one-way fare around $219, roughly 23% cheaper than the yearly average.
  • Another budget-friendly time to fly: February typically offers an average one-way fare of around $245.
  • Most flight options: March and August have the highest number of flights from Ontario to South Bend, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.2°F (-3.8°C)Average8$284
February26.8°F (-2.9°C)Slightly Low8$245
March37.9°F (3.3°C)Slightly High10$303
April47.8°F (8.8°C)Average8$316
May59.9°F (15.5°C)Average9$291
June68.9°F (20.5°C)Slightly High9$298
July72.3°F (22.4°C)Average8$219
August70.9°F (21.6°C)Slightly High10$253
September64.9°F (18.3°C)Average8$257
October53.2°F (11.8°C)Slightly Low9$335
November41.0°F (5.0°C)Slightly Low9$332
December32.4°F (0.2°C)Average9$283

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Ontario (ONT) to South Bend (SBN)

  • Orange County to South Bend (SNA-SBN): John Wayne Airport (SNA) is located approximately 31 miles from Los Angeles - Ontario International Airport (ONT). One-way economy ticket prices for this route generally fall between $155 and $485, influenced by the time of year and how early you book. Travelers can choose from both one-stop and multi-stop options, with common layovers at O'Hare International Airport (ORD) and Dallas-Fort Worth International Airport (DFW). Leading airlines operating on this route include United and American Airlines, and first-class service is also available.

How to find the best prices for flights from Ontario (ONT) to South Bend (SBN)

Getting some of the best deals on flights from Ontario to South Bend is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, although most travelers tend to book within 2 weeks. Evening departures from 6 PM to 12 AM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Saturday provides both cheaper prices and high demand.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find South Bend hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at South Bend International Airport from Los Angeles - Ontario International Airport

South Bend welcomes travelers from Ontario with a range of transport options based on price, convenience, and proximity. Here's how to reach South Bend efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in South Bend, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from South Bend International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at South Bend International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From South Bend International Airport, South Bend Station, a train station, is located about 2.6 miles away by car, providing convenient access for travelers heading into the city.

Frequently asked questions

How much does a flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) cost?
You can find cheap one-way flights from $303 and cheap return flights from $358 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) with Expedia. One-way flights typically cost between $228 and $940, and return flights often range between $442 and $1389. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The cheapest month to fly from ONT to SBN is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
Enter ONT to SBN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Ontario, CA (ONT) to South Bend, IN (SBN), with round-trip tickets starting from around $250 with a layover in Sky Harbor Intl. (PHX). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
To find a cheap flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The earliest flight from Los Angeles - Ontario International Airport (ONT) to South Bend International Airport (SBN) usually departs at around 12:55 AM, operated by American Airlines. This seasonal service is available in October and November, giving you an early start to your trip. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The most popular departure times for flights from Ontario, CA (ONT) to South Bend, IN (SBN) are in the early morning, from 6am to 9am. About 46% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing is favored because it allows you to arrive in South Bend with plenty of time to start your day.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
Flights from ONT to SBN with one stop typically take around 6 hours 20 minutes, covering approximately 1,774 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
You can fly first class between ONT and SBN. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines

How do I earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) flight with Expedia?
It's easy to earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for South Bend from Los Angeles - Ontario Intl. (ONT)?
If you're planning to travel to South Bend from Los Angeles - Ontario Intl. (ONT), you can fly into South Bend Intl. (SBN) Some flights may connect through major hubs like Denver Intl. (DEN), San Francisco Intl. (SFO), George Bush Intercontinental (IAH) before reaching South Bend. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) at the last minute?
Typically, booking a last minute flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) flight and hotel package?
Securing a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) South Bend Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.)?
If you booked your Ontario, CA (ONT-Los Angeles - Ontario Intl.) to South Bend, IN (SBN-South Bend Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
South Bend Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$358
Distance
1774 mi

Book with confidence

Ontario Intl. Airport to South Bend Flights

The cheapest times to fly from Ontario Intl. Airport to South Bend

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario Intl. Airport to South Bend are during the month of September. You can find some of the cheapest flights from Ontario Intl. Airport to South Bend with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario Intl. Airport to South Bend

Sunday is one of the best days to book for cheap flights from Ontario Intl. Airport to South Bend: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario Intl. Airport to South Bend

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario Intl. Airport to South Bend in 2026. You can also book with separate airlines for your outbound and return journeys, from $303 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario Intl. Airport to South Bend flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario Intl. Airport to South Bend airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario Intl. Airport to South Bend Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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