Cheap flights from Ontario International to Toronto Pearson International

Compare Ontario International to Toronto Pearson International flight deals

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

Book the best Toronto Pearson International fare with no extra fees

Flight deals from Ontario International to Toronto Pearson International

Looking for a cheap last-minute deal or the best round-trip flight from Ontario International Airport to Toronto Pearson International Airport? If you want to travel next month, round-trip fares start from $464. Find the lowest prices on one-way and round-trip tickets right here.

Toronto.$354 per passenger.Departing Tue, Aug 25, returning Tue, Sep 8.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Tue, Aug 25, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Tue, Sep 8, arriving in Ontario International.Price includes taxes and charges.From $354, select.

Toronto.$372 per passenger.Departing Tue, Jul 28, returning Tue, Aug 11.Round-trip flight with Frontier Airlines and Porter Airlines.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Tue, Jul 28, arriving in Toronto Pearson International.Inbound indirect flight with Porter Airlines, departing from Toronto Pearson International on Tue, Aug 11, arriving in Ontario International.Price includes taxes and charges.From $372, select.

Toronto.$392 per passenger.Departing Wed, Sep 2, returning Tue, Sep 8.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Wed, Sep 2, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Tue, Sep 8, arriving in Ontario International.Price includes taxes and charges.From $392, select.

Toronto.$395 per passenger.Departing Tue, Jul 7, returning Tue, Jul 14.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Tue, Jul 7, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Tue, Jul 14, arriving in Ontario International.Price includes taxes and charges.From $395, select.

Toronto.$406 per passenger.Departing Tue, Aug 11, returning Thu, Aug 20.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Tue, Aug 11, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Thu, Aug 20, arriving in Ontario International.Price includes taxes and charges.From $406, select.

Toronto.$440 per passenger.Departing Tue, May 26, returning Mon, Jun 1.Round-trip flight with Alaska Airlines and WestJet.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Tue, May 26, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Mon, Jun 1, arriving in Ontario International.Price includes taxes and charges.From $440, select.

Toronto.$448 per passenger.Departing Thu, Jul 30, returning Mon, Sep 7.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Thu, Jul 30, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Mon, Sep 7, arriving in Ontario International.Price includes taxes and charges.From $448, select.

Toronto.$464 per passenger.Departing Wed, Jun 17, returning Wed, Jun 24.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Wed, Jun 17, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Wed, Jun 24, arriving in Ontario International.Price includes taxes and charges.From $464, select.

Toronto.$496 per passenger.Departing Thu, May 28, returning Sat, May 30.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Ontario International on Thu, May 28, arriving in Toronto Pearson International.Inbound indirect flight with Delta, departing from Toronto Pearson International on Sat, May 30, arriving in Ontario International.Price includes taxes and charges.From $496, select.

Toronto.$499 per passenger.Departing Thu, Jun 25, returning Wed, Jul 8.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Thu, Jun 25, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Wed, Jul 8, arriving in Ontario International.Price includes taxes and charges.From $499, select.

Toronto.$523 per passenger.Departing Tue, Dec 1, returning Sat, Dec 5.Round-trip flight with United.Outbound indirect flight with United, departing from Ontario International on Tue, Dec 1, arriving in Toronto Pearson International.Inbound indirect flight with United, departing from Toronto Pearson International on Sat, Dec 5, arriving in Ontario International.Price includes taxes and charges.From $523, select.

Toronto.$534 per passenger.Departing Wed, Oct 7, returning Sun, Oct 11.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Ontario International on Wed, Oct 7, arriving in Toronto Pearson International.Inbound indirect flight with Delta, departing from Toronto Pearson International on Sun, Oct 11, arriving in Ontario International.Price includes taxes and charges.From $534, select.

Toronto.$545 per passenger.Departing Thu, Nov 26, returning Sat, Nov 28.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Ontario International on Thu, Nov 26, arriving in Toronto Pearson International.Inbound indirect flight with Delta, departing from Toronto Pearson International on Sat, Nov 28, arriving in Ontario International.Price includes taxes and charges.From $545, select.

Find the cheapest month to fly from Ontario International to Toronto Pearson International

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

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Ontario International to Toronto Pearson International: Alternative routes

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

Ontario to Toronto: Flight information

The things to know before you go.

Cheapest flight found	$354
Cheapest month to fly	August

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

How much are round-trip flights from Ontario International to Toronto Pearson International?

The best price we found for a round-trip flight from Ontario International to Toronto Pearson International is $354. 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 Toronto Pearson International?

Currently, there are no airlines that fly direct from Ontario International to Toronto Pearson International. But we found flights with one or more stops from $354.

How many flights are there a week from Ontario International to Toronto Pearson International?

There are no flights flying from Ontario International to Toronto Pearson International, as of May 2026.

When is the cheapest time to fly from Ontario International to Toronto Pearson International?

The cheapest month to fly from Ontario International to Toronto Pearson International is usually August.

Which upcoming date is cheapest to fly from Ontario International Airport to Toronto Pearson International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Toronto Pearson International Airport on Tuesday, August 25, 2026.

Can I get a direct flight from Ontario International Airport to Toronto Pearson International Airport?

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

How can I find the best flight deal to Toronto Pearson International?

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 Toronto Pearson 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.

When is the best time to book flights to Toronto?

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

Which is the cheapest airline to fly with from Ontario International Airport to Toronto Pearson International?

Currently, Frontier Airlines offers the cheapest flight tickets to Toronto Pearson International.

Flying from Ontario International Airport (ONT) to Pearson International Airport (YYZ): what you need to know

Toronto is three hours ahead of Ontario and observes the UTC-4 timezone.
Get to the airport on time so you don't miss your ONT to YYZ flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
You'll likely experience longer lines in popular months such as August. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.
Think about adding a stopover when booking your ticket from Ontario International Airport to Pearson International Airport. Simply uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between ONT and YYZ:
- Harry Reid Airport (formerly McCarran Airport)
- Denver International Airport
- Nashville International Airport

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

$154 is currently the lowest price for a one-way Ontario International Airport to Pearson International Airport flight. A return flight starts at $354. These prices may change depending on demand.
It's often best to book in advance if you want to get cheap tickets from ONT to YYZ. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.
The 'Whole month' search tool shows you the cheapest flights from Ontario International Airport to Pearson International Airport throughout the month. It's a great way to find a bargain if your trip dates aren't set in stone.
Cut down on the time spent looking for cheap flights from ONT to YYZ by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.
Pick your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Ontario International Airport to Pearson International Airport.

Handy information about Ontario International Airport (ONT)

ONT is located at 2900 E. Airport Drive.
83.6% of flights leaving Ontario International Airport reach their destination as planned. With its dependable on-time performance, disruptions are unlikely when jetting out of ONT.
Central Ontario to Ontario International Airport is approximately 6 kilometers. Depending on traffic, it'll take about 10 minutes to get there if you're ride-sharing, catching a cab or driving.
The trip on public transport takes roughly 1 hour 30 minutes.
Get your travels off to a relaxed start by staying near ONT. Whether you have an early flight from Ontario International Airport to Pearson International Airport or just don't want to be rushed, these hotels have you covered:

Arriving at Pearson International Airport (YYZ)

Consider booking a hotel close to YYZ if you're catching a late Ontario International Airport to Pearson International Airport flight. Settle into one of these options and skip the long transfer after landing:
Grab a Pearson International Airport rental car and explore Toronto and beyond with your own wheels. Routes Car Rentals, Green Motion and Thrifty are well-known companies you can book with here.
To get the best deal, reserve your vehicle from Pearson International Airport about three weeks before traveling.

Getting from Pearson International Airport (YYZ) to central Toronto

From Pearson International Airport, Toronto is approximately 27 kilometers away. It takes around 25 minutes to get to the center driving.
Traveling on public transport typically takes 50 minutes.

When to fly to Pearson International Airport (YYZ)

August is the most popular month for flights from Ontario International Airport to Pearson International Airport. To steer clear of the crowds, head to Toronto in February.
When booking your flight from Ontario International Airport to Pearson International Airport, consider the type of weather you like. July is the warmest month in Toronto, with the temperature ranging from 14ºC (57ºF) to 28ºC (82ºF).
If you want to travel in cooler conditions, search for a cheap ticket from ONT to YYZ in January. Average temperatures are between -12ºC (10ºF) and 1ºC (34ºF) then.

Explore more of Canada

Montreal is just one of the many cities in Canada waiting to be discovered once you've seen the sights of Toronto. Around 499 kilometers away to the north-east, well-known attractions include Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.
If you're interested in discovering another corner of Canada, consider Ottawa, roughly 354 kilometers north-east of Toronto. Parliament Hill, Rideau Canal and National Gallery of Canada are key reasons to visit.