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Cheap Flights from Orlando to Ontario International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Orlando 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 Orlando to Ontario International

      Looking for a cheap last-minute deal or the best return flight from Orlando to Ontario International Airport? If you want to travel next month, return fares start from R 3,821. Find the lowest prices on one-way and return tickets right here.
      Ontario.R 1,576 per passenger.Departing Sat, 15 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Sat, 15 Aug, arriving in Ontario International.Price includes taxes and charges.From R 1,576, select.
      Ontario.R 1,633 per passenger.Departing Tue, 6 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Tue, 6 Oct, arriving in Ontario International.Price includes taxes and charges.From R 1,633, select.
      Ontario.R 1,699 per passenger.Departing Tue, 1 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Tue, 1 Sep, arriving in Ontario International.Price includes taxes and charges.From R 1,699, select.
      Ontario.R 2,087 per passenger.Departing Mon, 14 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Mon, 14 Dec, arriving in Ontario International.Price includes taxes and charges.From R 2,087, select.
      Ontario.R 2,087 per passenger.Departing Tue, 3 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Tue, 3 Nov, arriving in Ontario International.Price includes taxes and charges.From R 2,087, select.
      Ontario.R 2,776 per passenger.Departing Tue, 14 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Orlando International on Tue, 14 Jul, arriving in Ontario International.Price includes taxes and charges.From R 2,776, select.
      Ontario.R 3,134 per passenger.Departing Thu, 4 Mar.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Thu, 4 Mar, arriving in Ontario International.Price includes taxes and charges.From R 3,134, select.
      Ontario.R 3,201 per passenger.Departing Wed, 24 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Wed, 24 Feb, arriving in Ontario International.Price includes taxes and charges.From R 3,201, select.
      Ontario.R 3,201 per passenger.Departing Tue, 5 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Orlando International on Tue, 5 Jan, arriving in Ontario International.Price includes taxes and charges.From R 3,201, select.
      Ontario.R 3,204 per passenger.Departing Sat, 15 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Orlando International on Sat, 15 May, arriving in Ontario International.Price includes taxes and charges.From R 3,204, select.
      Ontario.R 3,209 per passenger.Departing Wed, 7 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Orlando International on Wed, 7 Apr, arriving in Ontario International.Price includes taxes and charges.From R 3,209, select.

      Find the cheapest month to fly from Orlando to Ontario International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Orlando to Ontario International flights are currently cheapest in August.
      Jul
      from R 2,776
      Aug
      from R 1,576
      Sep
      from R 1,699
      Oct
      from R 1,633
      Nov
      from R 2,087
      Dec
      from R 2,087
      Jan
      from R 3,201
      Feb
      from R 3,201
      Mar
      from R 3,134
      Apr
      from R 3,209
      May
      from R 3,204
      Jun
      Find prices

      Orlando to Ontario International: Alternative routes

      Compare routes from Orlando 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 1,576
      Search flights

      San Bernardino Norton AFB

      39km from central Ontario
      from R 6,140
      Search flights

      Santa Ana John Wayne

      48km from central Ontario
      from R 1,502
      Search flights

      Long Beach Municipal

      54km from central Ontario
      from R 1,945
      Search flights

      Hawthorne

      65km from central Ontario
      from R 16,356
      Search flights

      Burbank

      67km from central Ontario
      from R 1,408
      Search flights

      Los Angeles International

      71km from central Ontario
      Cheapest
      from R 1,126
      Search flights

      Orlando to Ontario: Flight information

      The things to know before you go.
      Cheapest flight foundR 1,576
      Cheapest month to flyAugust

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

      The best price we found for a return flight from Orlando to Ontario International is R 3,814. 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 Orlando to Ontario International. But we found flights with one stop from R 3,814.
      As of July 2026, there are no flights flying from Orlando to Ontario International.
      The cheapest month to fly from Orlando to Ontario International is usually September.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Orlando to Ontario International Airport on Saturday, 19 September 2026.
      No airlines currently offer direct flights between Orlando 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.

      The cheapest airline that flies to Ontario International is Frontier Airlines .

      Flying from Orlando to Ontario International Airport (ONT): What you need to know

      • Ontario is three hours behind Orlando. Ontario International Airport is located in Ontario, which is in the UTC-8 timezone.

      • Leave enough time to catch your flight from Orlando to ONT. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

      • With more people on the move during busy periods like March, be at your terminal even earlier. Two hours for domestic flights and as much as four for international journeys will help you stay ahead of the crowds. Remember things also get busy during major holidays like Thanksgiving.

      Airports in Orlando

      Orlando International Airport (MCO)

      Orlando Sanford International Airport (SFB)

      • Using public transport, you can travel from central Orlando to SFB in around 1 hour. The terminal is roughly 40 kilometres away, and making the journey by car takes approximately 35 minutes.

      • Catching an early morning flight? Think about staying at one of these hotels near Orlando Sanford International Airport the day before your Orlando to ONT flight:

      • As far as flight punctuality goes, Orlando Sanford International Airport has an on-time arrival rate of 69%.

      About Ontario International Airport (ONT)

      Getting from Ontario International Airport (ONT) to central Ontario

      • From Ontario International Airport, central Ontario is around 10 kilometres away. It takes about 15 minutes to get to the city centre by car.

      • If you're using public transport, expect a journey of about 45 minutes.

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

      • R 1,576 is currently the lowest price for a one-way ticket from Orlando to Ontario International Airport. Return flights start from R 3,814. These fares may change depending on availability and demand.

      • To find cheap flights from Orlando to ONT, book in advance. Airlines generally offer their most competitively priced fares when tickets are first released.

      • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll show you the cheapest price across the month when searching for your Orlando to Ontario International Airport ticket.

      • There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll notify you the moment there's a better deal on plane tickets from Orlando to ONT.

      • Save money on your flight from Orlando to Ontario International Airport by using filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

      The best time to fly from Orlando to Ontario International Airport (ONT)

      • Think about the pace you're looking for when planning the timing of your trip. December is the quietest month to go to Ontario. July is when most people book flights from Orlando to Ontario International Airport (ONT), which may be perfect if you're chasing more excitement.

      • The warmest month in Ontario is August, with temperatures ranging between 16ºC (61ºF) and 36ºC (97ºF). Book your Orlando to ONT plane ticket then if this is the type of weather you enjoy.

      • Search for cheap tickets from Orlando to Ontario International Airport in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 24ºC (75ºF).

      More about Ontario

      Explore more of the United States

      • San Diego is just one of the many places in the United States waiting to be explored once you've taken in the sights of Ontario. Around 153 kilometres away to the south, popular attractions include San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

      • Bakersfield is another favourite destination in the United States and is around 193 kilometres northwest of Ontario. No journey is complete without experiencing Kern County Museum, Rabobank Arena, Theatre & Convention Centre and Bakersfield Museum of Art.

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