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Cheap flights from Toronto to Ontario International

Compare Toronto to Ontario International flight deals

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

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Flight deals from Toronto to Ontario International

Looking for a cheap last-minute deal or the best return flight from Toronto to Ontario International? Find the lowest prices on one-way and return tickets right here.
Ontario.P18,270 per passenger.Departing Sat, 23 Aug, returning Sat, 30 Aug.Return flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departs from Toronto Pearson International on Sat, 23 Aug, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Sat, 30 Aug, arriving in Toronto Pearson International.Price includes taxes and charges.From P18,270, select.
Ontario.P23,540 per passenger.Departing Sat, 1 Nov, returning Tue, 4 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Toronto Pearson International on Sat, 1 Nov, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Tue, 4 Nov, arriving in Toronto Pearson International.Price includes taxes and charges.From P23,540, select.
Ontario.P25,553 per passenger.Departing Sun, 31 Aug, returning Tue, 9 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Toronto Pearson International on Sun, 31 Aug, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Tue, 9 Sep, arriving in Toronto Pearson International.Price includes taxes and charges.From P25,553, select.
Ontario.P26,628 per passenger.Departing Fri, 17 Oct, returning Tue, 21 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Toronto Pearson International on Fri, 17 Oct, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Tue, 21 Oct, arriving in Toronto Pearson International.Price includes taxes and charges.From P26,628, select.
Ontario.P29,607 per passenger.Departing Wed, 26 Nov, returning Sat, 6 Dec.Return flight with United.Outbound indirect flight with United, departs from Toronto Pearson International on Wed, 26 Nov, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sat, 6 Dec, arriving in Toronto Pearson International.Price includes taxes and charges.From P29,607, select.
Ontario.P30,496 per passenger.Departing Sun, 7 Sep, returning Sun, 14 Sep.Return flight with United.Outbound indirect flight with United, departs from Toronto Pearson International on Sun, 7 Sep, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sun, 14 Sep, arriving in Toronto Pearson International.Price includes taxes and charges.From P30,496, select.
Ontario.P32,467 per passenger.Departing Sat, 26 Jul, returning Tue, 29 Jul.Return flight with United.Outbound indirect flight with United, departs from Toronto Pearson International on Sat, 26 Jul, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Tue, 29 Jul, arriving in Toronto Pearson International.Price includes taxes and charges.From P32,467, select.
Ontario.P32,467 per passenger.Departing Fri, 18 Jul, returning Sun, 3 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Toronto Pearson International on Fri, 18 Jul, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Sun, 3 Aug, arriving in Toronto Pearson International.Price includes taxes and charges.From P32,467, select.

Find the cheapest month to fly from Toronto to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Toronto to Ontario International flights are currently cheapest in August.
Jul
from P32,467
Aug
from P18,270
Sep
from P30,496
Oct
from P26,628
Nov
from P23,540
Dec
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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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Toronto to Ontario International: Alternative routes

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

Toronto to Ontario: Flight information

The things to know before you go.
Cheapest flight foundP18,270
Cheapest month to flyAugust

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

The best price we found for a return flight from Toronto to Ontario International is P18,270. 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 Toronto to Ontario International. But we found flights with one stop from P18,270.
As of July 2025, there are no flights flying from Toronto to Ontario International.
The cheapest month to fly from Toronto to Ontario International is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Ontario International Airport on Saturday, 23 August 2025.
No airlines currently offer direct flights between Toronto 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 WestJet .

Travelling from Toronto to Ontario International Airport (ONT): What you need to know

  • You can choose from multiple airports when organising your flight from Toronto to Ontario International Airport (ONT). Explore your options for taking off from Pearson International Airport (YYZ), Billy Bishop Toronto City Airport (YTZ) and Region of Waterloo International Airport (YKF).

  • Ontario International Airport is located in Ontario. The city operates on the UTC-7 timezone and is three hours behind Toronto.

  • Get to the airport on time so you don't miss your flight from Toronto to ONT. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Delays at check-in and security are more likely if you're travelling during high season, so allow a little extra breathing room. The recommendation for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

Airports in Toronto

Pearson International Airport (YYZ)

Billy Bishop Toronto City Airport (YTZ)

  • YTZ is around 3 kilometres from central Toronto. It'll take you 35 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 40 minutes.

  • Catching an early morning flight? You might like to check in to one of these accommodation options near Billy Bishop Toronto City Airport the day before your Toronto to ONT flight:

  • When it comes to keeping flights on track, Billy Bishop Toronto City Airport has an on-time arrival rate of 62.09%.

Region of Waterloo International Airport (YKF)

  • From the centre of Toronto, YKF is around 105 kilometres away. It takes roughly 1 hour 15 minutes to arrive by car and 4 hours 5 minutes or so if you're on public transport.

  • Make catching an early Toronto to Ontario International Airport flight the easiest part of your trip. Stay at one of these hotels close to Region of Waterloo International Airport and get to the check-in counter with time to spare:

  • Flights that take off from YKF land at their destination on schedule 63.64% of the time.

About Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • Ontario International Airport to the centre of Ontario is roughly 5 kilometres. If you're renting a car or taking a cab, plan in advance to make your trip as smooth as possible. Journey times can vary based on traffic and the time of day.

  • Travelling on public transport will take you roughly 1 hour 30 minutes.

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

  • At the moment, P10,075 is the lowest price we've found for a one-way ticket from Toronto to Ontario International Airport. The cheapest price for a return flight is P18,270. Remember fares may change due to demand at the time of booking.

  • Booking in advance is often the key to finding a cheap flight from Toronto to ONT. Fares tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • If you have some flexibility with your travel dates, try using the 'Whole month' tool. It'll give you the cheapest price across every month when searching for your Toronto to Ontario International Airport ticket.

  • There's no need to search every day to find out if prices have dropped when you create a Price Alert. We'll let you know when a better deal comes up on plane tickets from Toronto to ONT.

  • Find a cheap flight from Toronto to Ontario International Airport by using the search filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • May is the quietest month for flights from Toronto to Ontario International Airport (ONT), while August is the most popular. Pick the best time to visit Ontario based on whether you want a lively atmosphere or a more laid-back vibe.

  • The warmest month in Ontario is August, with temperatures ranging between 15ºC (59ºF) and 35ºC (95ºF). Book your Toronto to ONT plane ticket then if that's your idea of comfortable weather.

  • Look for cheap tickets from Toronto to Ontario International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 23ºC (73ºF).

More about Ontario

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Ontario right here. Check out these options as soon as you've booked your flight from Toronto to Ontario International Airport:

  • All great adventures should include some sightseeing. Conservation Park, Citizens Business Bank Arena and Scandia are attractions you won't want to skip in Ontario.

Explore more of the United States

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

  • Around 193 kilometres north-west of Ontario, Bakersfield is another essential stop in the United States. Experience major highlights starting with Kern County Museum, Dr. Martin Luther King, Jr. Park and BAPS Shri Swaminarayan Mandir.

Plan the rest of your trip from Toronto to Ontario

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.