Flights from London to Ontario

Flight deals from London to Ontario

Looking for cheap tickets from London to Ontario, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Toronto.£296 per passenger.Departing Tue, 13 Jan, returning Wed, 28 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Tue, 13 Jan, arriving in Toronto Pearson International.Inbound indirect flight with Icelandair, departs from Toronto Pearson International on Wed, 28 Jan, arriving in London Heathrow.Price includes taxes and charges.From £296, select.

Ottawa.£327 per passenger.Departing Fri, 23 Jan, returning Sat, 24 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Fri, 23 Jan, arriving in Ottawa International.Inbound indirect flight with Air Canada, departs from Ottawa International on Sat, 24 Jan, arriving in London Heathrow.Price includes taxes and charges.From £327, select.

London.£442 per passenger.Departing Tue, 20 Jan, returning Wed, 28 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from London Heathrow on Tue, 20 Jan, arriving in London.Inbound indirect flight with WestJet, departs from London on Wed, 28 Jan, arriving in London Heathrow.Price includes taxes and charges.From £442, select.

Windsor.£469 per passenger.Departing Mon, 26 Jan, returning Tue, 3 Feb.Return flight with Ryanair and Air Canada.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 26 Jan, arriving in Windsor.Inbound indirect flight with Air Canada, departs from Windsor on Tue, 3 Feb, arriving in London Stansted.Price includes taxes and charges.From £469, select.

Thunder Bay.£519 per passenger.Departing Tue, 17 Feb, returning Fri, 27 Feb.Return flight with Wizz Air UK and WestJet.Outbound indirect flight with Wizz Air UK, departs from London Gatwick on Tue, 17 Feb, arriving in Thunder Bay.Inbound indirect flight with WestJet, departs from Thunder Bay on Fri, 27 Feb, arriving in London Heathrow.Price includes taxes and charges.From £519, select.

Timmins.£529 per passenger.Departing Fri, 30 Jan, returning Sun, 8 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Fri, 30 Jan, arriving in Timmins.Inbound indirect flight with Air Canada, departs from Timmins on Sun, 8 Feb, arriving in London Heathrow.Price includes taxes and charges.From £529, select.

Sudbury.£537 per passenger.Departing Thu, 15 Jan, returning Thu, 22 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Thu, 15 Jan, arriving in Sudbury.Inbound indirect flight with Air Canada, departs from Sudbury on Thu, 22 Jan, arriving in London Heathrow.Price includes taxes and charges.From £537, select.

Sault Ste Marie.£544 per passenger.Departing Mon, 12 Jan, returning Mon, 19 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Mon, 12 Jan, arriving in Sault Ste Marie.Inbound indirect flight with Air Canada, departs from Sault Ste Marie on Mon, 19 Jan, arriving in London Heathrow.Price includes taxes and charges.From £544, select.

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Flying from London to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	£296
Cheapest month to fly	January
Average flight time	8 hrs, 1 min
Cheapest airport to fly from	London Gatwick
Most popular airline	United

How to find cheap flights from London to Ontario

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from London to Ontario. Other savvy travellers recently found return flights from £296 and one-way tickets from £162 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from London Gatwick into Toronto Pearson International

At the moment, the lowest priced flight tickets to Ontario are from London Gatwick Airport to Toronto Pearson International Airport.

Fly in January

We crunched the flight calendar and found the cheapest time to fly from London to Ontario is currently January.

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 London to anywhere you choose in Ontario.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from London to Ontario go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

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

Frequently asked questions

What's the average London to Ontario flight price?

We looked at all of the upcoming return flights from London to Ontario we could find over the next 12 months. It looks like £296 is the best price. This is good, compared to the average Ontario ticket price of £458.

What is the cheapest month to fly from London to Ontario?

The cheapest month to fly from London to Ottawa International Airport is usually January. The cheapest month to fly from London to London Airport is usually January. The cheapest month to fly from London to Thunder Bay Airport is usually February. And the cheapest month to fly from London to Toronto Pearson International Airport is usually January.

Which upcoming date is cheapest to fly from London to Ontario on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Ontario on Tuesday, 13 January 2026.

Are there any direct flights from London to Ontario?

London Gatwick Airport offers direct flights to Ontario.

If I'm flying from London, where in Ontario is cheapest to fly into?

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