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Cheap Flights from South Bend (SBN) to Ontario (ONT)

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      Travellers and cabin class, 1 Adult, Economy

      Compare South Bend to Ontario International flight deals

      Find the cheapest month or even day of the year to fly to Ontario International

      Book the best Ontario International fare with no extra fees

      Flight deals from South Bend to Ontario International

      Looking for a cheap last-minute deal or the best return flight from South Bend Airport to Ontario International Airport? If you want to travel next month, return fares start from $514. Find the lowest prices on one-way and return tickets right here.
      Ontario.$514 per passenger.Departing Sat, 12 Sep, returning Fri, 18 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from South Bend on Sat, 12 Sep, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Fri, 18 Sep, arriving in South Bend.Price includes taxes and charges.From $514, select.
      Ontario.$563 per passenger.Departing Fri, 9 Oct, returning Sun, 11 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from South Bend on Fri, 9 Oct, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Sun, 11 Oct, arriving in South Bend.Price includes taxes and charges.From $563, select.
      Ontario.$611 per passenger.Departing Sat, 29 Aug, returning Wed, 2 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from South Bend on Sat, 29 Aug, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Wed, 2 Sep, arriving in South Bend.Price includes taxes and charges.From $611, select.
      Ontario.$844 per passenger.Departing Thu, 20 Aug, returning Sat, 22 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from South Bend on Thu, 20 Aug, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Sat, 22 Aug, arriving in South Bend.Price includes taxes and charges.From $844, select.
      Ontario.$1,071 per passenger.Departing Sat, 21 Nov, returning Sat, 28 Nov.Return flight with United.Outbound indirect flight with United, departs from South Bend on Sat, 21 Nov, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sat, 28 Nov, arriving in South Bend.Price includes taxes and charges.From $1,071, select.
      Ontario.$1,267 per passenger.Departing Sat, 26 Dec, returning Mon, 28 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from South Bend on Sat, 26 Dec, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Mon, 28 Dec, arriving in South Bend.Price includes taxes and charges.From $1,267, select.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like South Bend to Ontario International flights are currently cheapest in September.
      Aug
      from $844
      Sep
      from $514
      Oct
      from $563
      Nov
      from $1,071
      Dec
      from $1,267
      Jan
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      South Bend to Ontario International: Alternative routes

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

      Ontario International

      4km from central Ontario
      Closest
      from $514
      Search flights

      San Bernardino Norton AFB

      39km from central Ontario
      Search flights

      Santa Ana John Wayne

      48km from central Ontario
      from $460
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      Long Beach Municipal

      54km from central Ontario
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      Hawthorne

      65km from central Ontario
      Search flights

      Burbank

      67km from central Ontario
      from $619
      Search flights

      Los Angeles International

      71km from central Ontario
      Cheapest
      from $413
      Search flights

      South Bend to Ontario: Flight information

      The things to know before you go.
      Cheapest flight found$514
      Cheapest month to flySeptember

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

      The best price we found for a return flight from South Bend to Ontario International is $514. 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.
      Currently, there are no airlines that fly direct from South Bend to Ontario International. But we found flights with one or more stops from $514.
      As of August 2026, there are no flights flying from South Bend to Ontario International.
      The cheapest month to fly from South Bend to Ontario International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from South Bend Airport to Ontario International Airport on Saturday, 12 September 2026.
      No airlines currently offer direct flights between South Bend Airport and Ontario International Airport. Most routes have one or more stops.
      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 Ontario International 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.

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

      Currently, Delta offers the cheapest flight tickets to Ontario International.

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

      • Ontario is three hours behind South Bend and observes the UTC-8 timezone.

      • Leave enough time to make your SBN to ONT flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

      • You can expect longer lines during popular months such as October. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

      • Think about adding a stopover when booking your ticket from South Bend Airport to Ontario International Airport. Just deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between SBN and ONT:

        • Atlanta Hartsfield-Jackson Airport

        • Dallas Fort Worth International Airport

        • Harry Reid International Airport

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

      • At the moment, $532 is the lowest price we've seen for a one-way South Bend Airport to Ontario International Airport flight. The best price for a return plane ticket is $514. Remember that fares could change due to demand at the time of booking.

      • To get your hands on cheap tickets from SBN to ONT, book ahead. Airlines tend to offer lower prices when flights are first released.

      • Getting cheap flights from South Bend Airport to Ontario International Airport is easy if you can be flexible with your travel dates. Use the 'Whole month' search tool to see the lowest prices throughout the month and land a great deal.

      • You won't have to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from SBN to ONT.

      • Tailor your trip with filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from South Bend Airport to Ontario International Airport.

      Handy information about South Bend Airport (SBN)

      • You'll find SBN at 4477 Progress Dr.

      • 66% of flights that depart South Bend Airport touch down at their destination on schedule.

      • South Bend Airport is around 10 kilometres from central South Bend. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 10 minutes or so to get there, depending on the traffic.

      • Planning to catch public transport? Expect a journey time of around 30 minutes.

      • Booked an early flight from South Bend Airport to Ontario International Airport? Avoid rushing to the terminal (and get some extra shut-eye) by picking one of these stays near SBN:

      Arriving at Ontario International Airport (ONT)

      When to fly to Ontario International Airport (ONT)

      • The quietest month for a flight from South Bend Airport to Ontario International Airport is March, while July is the most popular. Pick the ideal time to visit Ontario based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • When reserving your flight from South Bend Airport to Ontario International Airport, think about the kind of weather you like. August is the warmest month in Ontario, with temperatures ranging from 16ºC (61ºF) to 36ºC (97ºF).

      • February sees average temperatures of between 4ºC (39ºF) and 24ºC (75ºF). Search for cheap tickets from SBN to ONT around that time if you'd rather travel in cooler conditions.

      Explore more of the United States

      • Ontario has plenty to offer, but there are so many other corners of the United States just waiting to be discovered. Around 56 kilometres west of Ontario, a visit to Los Angeles will keep you on the go. Check out popular attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • If you're ready to explore another great destination in the United States, head for San Diego, about 153 kilometres south of Ontario. San Diego Zoo, San Diego Balboa Park and USS Midway Museum are among the biggest draws.

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      Plan the rest of your trip from South Bend to Ontario

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.