Cheap Flights from Philadelphia International Airport to Ontario from C$416 Roundtrip

Flight deals from Philadelphia International Airport to Ontario

Looking for cheap flights from Philadelphia International Airport to Ontario, or a last-minute trip? Find the cheapest prices on one-way and round-trip flights right here.

Toronto.C$416 per passenger.Departing Mon, Aug 11, returning Wed, Sep 24.Round-trip flight with Spirit Airlines and WestJet.Outbound indirect flight with Spirit Airlines, departing from Philadelphia International on Mon, Aug 11, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departing from Toronto Pearson International on Wed, Sep 24, arriving in Philadelphia International.Price includes taxes and charges.From C$416, select.

Ottawa.C$670 per passenger.Departing Mon, Aug 4, returning Mon, Aug 11.Round-trip flight with Frontier Airlines and Porter Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Mon, Aug 4, arriving in Ottawa International.Inbound indirect flight with Porter Airlines, departing from Ottawa International on Mon, Aug 11, arriving in Philadelphia International.Price includes taxes and charges.From C$670, select.

Windsor.C$843 per passenger.Departing Thu, Aug 7, returning Thu, Aug 14.Round-trip flight with Spirit Airlines and Porter Airlines.Outbound indirect flight with Spirit Airlines, departing from Philadelphia International on Thu, Aug 7, arriving in Windsor.Inbound indirect flight with Porter Airlines, departing from Windsor on Thu, Aug 14, arriving in Philadelphia International.Price includes taxes and charges.From C$843, select.

Thunder Bay.C$987 per passenger.Departing Thu, Aug 7, returning Thu, Aug 14.Round-trip flight with Spirit Airlines and Flair Airlines.Outbound indirect flight with Spirit Airlines, departing from Philadelphia International on Thu, Aug 7, arriving in Thunder Bay.Inbound indirect flight with Flair Airlines, departing from Thunder Bay on Thu, Aug 14, arriving in Philadelphia International.Price includes taxes and charges.From C$987, select.

London.C$1,030 per passenger.Departing Thu, Aug 7, returning Thu, Aug 14.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Philadelphia International on Thu, Aug 7, arriving in London.Inbound indirect flight with Air Canada, departing from London on Thu, Aug 14, arriving in Philadelphia International.Price includes taxes and charges.From C$1,030, select.

Flying from Philadelphia International Airport to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	C$416, Toronto
Cheapest month to fly	August
Average flight time	1 hr, 41 mins
Average flights per week	306
Most popular airline	American Airlines

How to find cheap flights from Philadelphia International Airport to Ontario

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Philadelphia International Airport to Ontario. Other savvy travelers recently found round-trip flights from C$416 and one-way tickets from C$139. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in September

The cheapest time to fly from Philadelphia International Airport to Ontario is currently September.

Fly on a Thursday

From our data, we can see that Thursday seems to be the cheapest time to fly from Philadelphia International Airport to Ontario.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Philadelphia International Airport to anywhere you choose in Ontario.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Philadelphia International Airport to your chosen airport in Ontario go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Philadelphia International Airport to Ontario flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Philadelphia International Airport to Ontario?

Yes – direct flights currently operate from Philadelphia International Airport to Toronto Pearson International Airport in Ontario.

What is the average price of a flight from Philadelphia International Airport to Ontario?

We looked at all of the upcoming round-trip flights from Philadelphia International Airport to Ontario we could find over the next 12 months. It looks like C$416 is the best price. This is good, compared to the average Ontario ticket price of C$820.

What is the cheapest month to fly from Philadelphia International Airport to Ontario?

The cheapest month to fly from Philadelphia International Airport to Windsor Airport is currently August.
The cheapest month to fly from Philadelphia International Airport to London Airport is currently August.
The cheapest month to fly from Philadelphia International Airport to Ottawa International Airport is currently August.
And the cheapest month to fly from Philadelphia International Airport to Toronto Pearson International Airport is usually August.

On which upcoming date is it cheapest to fly from Philadelphia International Airport to Ontario?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia International Airport to Ontario on Monday, August 11, 2025.

If I'm flying from Philadelphia International Airport, where in Ontario is cheapest to fly to?

If you're flying from Philadelphia International, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Pearson International.