Cheap Flights from Ontario International to South Bend

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Compare Ontario International to South Bend flight deals

Find the cheapest month or even day of the year to fly to South Bend

Book the best South Bend fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Ontario International to South Bend

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to South Bend Airport? If you want to travel next month, return fares start from $681. Find the lowest prices on one-way and return tickets right here.

South Bend.$664 per passenger.Departing Mon, 22 Mar, returning Sat, 27 Mar.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Mon, 22 Mar, arriving in South Bend.Inbound indirect flight with United, departs from South Bend on Sat, 27 Mar, arriving in Ontario International.Price includes taxes and charges.From $664, select.

South Bend.$681 per passenger.Departing Thu, 1 Oct, returning Mon, 5 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Thu, 1 Oct, arriving in South Bend.Inbound indirect flight with Delta, departs from South Bend on Mon, 5 Oct, arriving in Ontario International.Price includes taxes and charges.From $681, select.

South Bend.$741 per passenger.Departing Fri, 30 Oct, returning Wed, 4 Nov.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Fri, 30 Oct, arriving in South Bend.Inbound indirect flight with United, departs from South Bend on Wed, 4 Nov, arriving in Ontario International.Price includes taxes and charges.From $741, select.

South Bend.$836 per passenger.Departing Sat, 26 Sep, returning Fri, 2 Oct.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Sat, 26 Sep, arriving in South Bend.Inbound indirect flight with United, departs from South Bend on Fri, 2 Oct, arriving in Ontario International.Price includes taxes and charges.From $836, select.

South Bend.$1,600 per passenger.Departing Sun, 20 Sep, returning Wed, 23 Sep.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Sun, 20 Sep, arriving in South Bend.Inbound indirect flight with United, departs from South Bend on Wed, 23 Sep, arriving in Ontario International.Price includes taxes and charges.From $1,600, select.

South Bend.$2,231 per passenger.Departing Tue, 24 Nov, returning Sun, 29 Nov.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Tue, 24 Nov, arriving in South Bend.Inbound indirect flight with United, departs from South Bend on Sun, 29 Nov, arriving in Ontario International.Price includes taxes and charges.From $2,231, select.

Find the cheapest month to fly from Ontario International to South Bend

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to South Bend flights are currently cheapest in March.

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Ontario International to South Bend: Alternative routes

Compare routes from Ontario International to South Bend below. You may find an airport to fly into that's cheaper, faster, or easier than South Bend.

South Bend

6km from central South Bend

ClosestCheapest

from $662

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Kalamazoo

84km from central South Bend

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Ontario to South Bend: Flight information

The things to know before you go.

Cheapest flight found	$664
Cheapest month to fly	March

Finding cheap flights from Ontario International to South Bend: Frequently asked questions

How much are return flights from Ontario International to South Bend?

The best price we found for a return flight from Ontario International to South Bend is $664. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Ontario International to South Bend?

Currently, there are no airlines that fly direct from Ontario International to South Bend. But we found flights with one or more stops from $664.

How many flights are there a week from Ontario International to South Bend?

As of September 2026, there are no flights flying from Ontario International to South Bend.

When is the cheapest time to fly from Ontario International to South Bend?

The cheapest month to fly from Ontario International to South Bend is usually March.

Which upcoming date is cheapest to fly from Ontario International Airport to South Bend Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to South Bend Airport on Monday, 22 March 2027.

Can I get a direct flight from Ontario International Airport to South Bend Airport?

No airlines currently offer direct flights between Ontario International Airport and South Bend Airport. Most routes have one or more stops.

How can I find the best flight deal to South Bend?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to South Bend but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to South Bend?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to South Bend is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Ontario International Airport to South Bend with?

Currently, United offers the cheapest flight tickets to South Bend.

Flying from Ontario International Airport (ONT) to South Bend Airport (SBN): what you need to know

For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your ONT to SBN flight.
During popular months like July, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights when you travel during peak periods in general.
We make it easy to book a flight with a stopover. To see your options for tickets from Ontario International Airport to South Bend Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Stopovers between ONT and SBN include:
- Atlanta Hartsfield-Jackson Airport
- Dallas Fort Worth International Airport
- Charlotte Douglas Airport

How to find the cheapest flights from Ontario International Airport (ONT) to South Bend Airport (SBN)

$644 is currently the best price for a one-way Ontario International Airport to South Bend Airport flight. Return flights start from $664. These fares may change depending on availability.
To get your hands on cheap tickets from ONT to SBN, book early. Airlines tend to offer lower fares when flights are first released.
Finding cheap flights from Ontario International Airport to South Bend Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across every month and score a great deal.
Save time looking for cheap flights from ONT to SBN by creating a Price Alert. You'll get an email or notification on the app when a new low fare is offered.
Pick your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Ontario International Airport to South Bend Airport.

Handy information about Ontario International Airport (ONT)

ONT's address is 2900 E. Airport Drive.
83% of flights leaving Ontario International Airport reach their destination on time. Given its strong on-time performance, delays are unlikely when setting off from ONT.
Ontario International Airport is around 10 kilometres from central Ontario. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on the traffic.
Planning to catch public transport? Expect a trip time of around 45 minutes.
Taking an early flight from Ontario International Airport to South Bend Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these stays close to ONT:

Arriving at South Bend Airport (SBN)

Consider staying in a hotel close to SBN if you're on a late Ontario International Airport to South Bend Airport flight. Select one of these options and skip the long transfer after landing:
Say yes to new adventures by picking up a South Bend Airport rental car. Grab a set of wheels from Budget, Alamo or Enterprise to explore South Bend and beyond.
To lock in the lowest price, book your ride from South Bend Airport about three weeks before you set off.

Getting from South Bend Airport (SBN) to central South Bend

The street address for SBN is 4477 Progress Dr.
From South Bend Airport, South Bend is approximately 10 kilometres away. It takes around 10 minutes to drive to the centre.
When travelling on public transport, expect a journey of roughly 30 minutes.

When to fly to South Bend Airport (SBN)

The quietest month for a flight from Ontario International Airport to South Bend Airport is January, while October is the busiest. Choose the ideal time to go to South Bend based on whether you prefer a laid-back vibe or a more bustling atmosphere.
When reserving your flight from Ontario International Airport to South Bend Airport, think about the type of weather you like. July is the warmest month in South Bend, with temperatures ranging from 14ºC to 30ºC.
Look for cheap tickets from ONT to SBN in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 3ºC on average.

Explore more of the United States

You've visited South Bend, now it's time to discover other corners of the United States. Journey about 113 kilometres west to Chicago to check off its top sights. From Millennium Park to Art Institute of Chicago and Willis Tower, you'll have a full itinerary ahead.
If you're interested in discovering another great destination in the United States, head for Columbus, about 338 kilometres south-east of South Bend. Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre are key highlights.