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Cheap Flights from Newcastle to Ontario International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Newcastle 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 Newcastle to Ontario International

      Looking for a cheap last-minute deal or the best return flight from Newcastle Airport to Ontario International Airport? If you want to travel next month, return fares start from R 15,442. Find the lowest prices on one-way and return tickets right here.
      Ontario.R 8,808 per passenger.Departing Sun, 27 Dec.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Newcastle on Sun, 27 Dec, arriving in Ontario International.Price includes taxes and charges.From R 8,808, select.
      Ontario.R 8,928 per passenger.Departing Wed, 17 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Newcastle on Wed, 17 Feb, arriving in Ontario International.Price includes taxes and charges.From R 8,928, select.
      Ontario.R 8,938 per passenger.Departing Sat, 30 Jan.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Newcastle on Sat, 30 Jan, arriving in Ontario International.Price includes taxes and charges.From R 8,938, select.
      Ontario.R 8,941 per passenger.Departing Mon, 7 Jun.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Newcastle on Mon, 7 Jun, arriving in Ontario International.Price includes taxes and charges.From R 8,941, select.
      Ontario.R 8,960 per passenger.Departing Wed, 14 Apr.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Newcastle on Wed, 14 Apr, arriving in Ontario International.Price includes taxes and charges.From R 8,960, select.
      Ontario.R 8,964 per passenger.Departing Sun, 14 Mar.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Newcastle on Sun, 14 Mar, arriving in Ontario International.Price includes taxes and charges.From R 8,964, select.
      Ontario.R 10,874 per passenger.Departing Fri, 23 Oct.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Newcastle on Fri, 23 Oct, arriving in Ontario International.Price includes taxes and charges.From R 10,874, select.
      Ontario.R 16,595 per passenger.Departing Mon, 28 Sep.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Newcastle on Mon, 28 Sep, arriving in Ontario International.Price includes taxes and charges.From R 16,595, select.
      Ontario.R 16,610 per passenger.Departing Sat, 28 Nov.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Newcastle on Sat, 28 Nov, arriving in Ontario International.Price includes taxes and charges.From R 16,610, select.

      Find the cheapest month to fly from Newcastle to Ontario International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Newcastle to Ontario International flights are currently cheapest in December.
      Aug
      Find prices
      Sep
      from R 16,595
      Oct
      from R 10,874
      Nov
      from R 16,610
      Dec
      from R 8,808
      Jan
      from R 8,938
      Feb
      from R 8,928
      Mar
      from R 8,964
      Apr
      from R 8,960
      May
      Find prices
      Jun
      from R 8,941
      Jul
      Find prices

      Newcastle to Ontario International: Alternative routes

      Compare routes from Newcastle 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 R 8,808
      Search flights

      San Bernardino Norton AFB

      39km from central Ontario
      Search flights

      Santa Ana John Wayne

      48km from central Ontario
      from R 9,017
      Search flights

      Long Beach Municipal

      54km from central Ontario
      from R 10,044
      Search flights

      Hawthorne

      65km from central Ontario
      Search flights

      Burbank

      67km from central Ontario
      Search flights

      Los Angeles International

      71km from central Ontario
      Cheapest
      from R 7,065
      Search flights

      Newcastle to Ontario: Flight information

      The things to know before you go.
      Cheapest flight foundR 8,808
      Cheapest month to flyDecember

      Finding cheap flights from Newcastle to Ontario International: Frequently asked questions

      The best price we found for a return flight from Newcastle to Ontario International is R 11,607. 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 Newcastle to Ontario International. But we found flights with one or more stops from R 11,607.
      As of August 2026, there are no flights flying from Newcastle to Ontario International.
      The cheapest month to fly from Newcastle to Ontario International is usually December.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Newcastle Airport to Ontario International Airport on Saturday, 5 December 2026.
      No airlines currently offer direct flights between Newcastle 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, British Airways offers the cheapest flight tickets to Ontario International.

      Flying from Newcastle International Airport (NCL) to Ontario International Airport (ONT): what you need to know

      • Ontario's timezone is UTC-7, making Ontario seven hours behind Newcastle.

      • Leave plenty of time to make your NCL to ONT flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

      • During popular months such as June, you'll want to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a peak period in general.

      How to find the cheapest flights from Newcastle International Airport (NCL) to Ontario International Airport (ONT)

      • R 8,808 is currently the best price for a one-way Newcastle International Airport to Ontario International Airport flight. Return flights start from R 11,607. These fares can change based on availability.

      • It's usually best to book in advance if you want to get cheap tickets from NCL to ONT. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

      • Finding cheap flights from Newcastle International Airport to Ontario International Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' search function to see the lowest fares across every month and bag a great deal.

      • Snapping up cheap flights from NCL to ONT is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a new discounted fare appears.

      • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Newcastle International Airport to Ontario International Airport.

      Handy information about Newcastle International Airport (NCL)

      • 71.29% of flights that leave from Newcastle International Airport reach their destination on schedule.

      • Central Newcastle to Newcastle International Airport is approximately 11 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, catching a cab or ride-sharing.

      • Taking public transport? You can expect a journey time of around 30 minutes.

      • Looking for a convenient hotel close to NCL? If you've booked an early flight from Newcastle International Airport to Ontario International Airport, these stays will put you moments from your departure lounge:

      Arriving at Ontario International Airport (ONT)

      Getting from Ontario International Airport (ONT) to central Ontario

      • The address for ONT is 2900 E. Airport Drive.

      • From Ontario International Airport, Ontario is approximately 6 kilometres away. It takes around 10 minutes to get to the centre driving.

      • Getting to the centre on public transport takes roughly 1 hour 30 minutes.

      When to fly to Ontario International Airport (ONT)

      • The quietest month for a flight from Newcastle International Airport to Ontario International Airport is May, while August is the most popular. Choose the ideal time to visit Ontario based on whether you prefer a more fast-paced or easygoing experience.

      • The warmest month in Ontario is August, with the temperature ranging between 15ºC (59ºF) and 35ºC (95ºF). Book your flights from Newcastle International Airport to Ontario International Airport in this month if this is the type of weather you like.

      • Search for cheap tickets from NCL to ONT in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC (39ºF) and 23ºC (73ºF) on average.

      Explore more of United States

      • Ontario has plenty to offer, but there are so many other parts of United States just waiting to be discovered. Around 56 kilometres west of Ontario, a trip to Los Angeles will keep your itinerary packed. Start with leading sights like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

      • If you want to check out another well-known destination in United States, head for San Diego, roughly 153 kilometres south of Ontario. San Diego Zoo, USS Midway Museum and SeaWorld San Diego are key reasons to visit.

      Plan the rest of your trip from Newcastle to Ontario

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