Book KLM Flights to London Heathrow from C$813 Round-trip

The best KLM flight deals to London Heathrow

Looking for a last-minute deal or the best direct flight? Find the biggest savings on one-way and round-trip flights to London Heathrow with KLM right here.

London.C$813 per passenger.Departing Sun, May 11, returning Tue, May 13.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Toronto Pearson International on Sun, May 11, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Tue, May 13, arriving in Toronto Pearson International.Price includes taxes and charges.From C$813, select.

London.C$864 per passenger.Departing Thu, Apr 10, returning Wed, Apr 30.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Toronto Pearson International on Thu, Apr 10, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Wed, Apr 30, arriving in Toronto Pearson International.Price includes taxes and charges.From C$864, select.

London.C$864 per passenger.Departing Tue, Apr 29, returning Fri, May 2.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Toronto Pearson International on Tue, Apr 29, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Fri, May 2, arriving in Toronto Pearson International.Price includes taxes and charges.From C$864, select.

London.C$869 per passenger.Departing Sun, Jun 1, returning Thu, Jun 5.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Toronto Pearson International on Sun, Jun 1, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Thu, Jun 5, arriving in Toronto Pearson International.Price includes taxes and charges.From C$869, select.

London.C$869 per passenger.Departing Mon, May 26, returning Thu, Jun 5.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Toronto Pearson International on Mon, May 26, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Thu, Jun 5, arriving in Toronto Pearson International.Price includes taxes and charges.From C$869, select.

London.C$870 per passenger.Departing Wed, Nov 19, returning Sat, Nov 22.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Vancouver International on Wed, Nov 19, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Sat, Nov 22, arriving in Vancouver International.Price includes taxes and charges.From C$870, select.

London.C$870 per passenger.Departing Thu, Apr 24, returning Sun, Jun 8.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Toronto Pearson International on Thu, Apr 24, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Sun, Jun 8, arriving in Toronto Pearson International.Price includes taxes and charges.From C$870, select.

London.C$877 per passenger.Departing Wed, Feb 11, returning Mon, Feb 16.Round-trip flight with KLM.Outbound indirect flight with KLM, departing from Vancouver International on Wed, Feb 11, arriving in London Heathrow.Inbound indirect flight with KLM, departing from London Heathrow on Mon, Feb 16, arriving in Vancouver International.Price includes taxes and charges.From C$877, select.

Find the cheapest time to fly to London Heathrow with KLM

Flexible on travel dates? Here's when plane tickets are cheapest.

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Alternative routes to London

Compare routes to London below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to London Heathrow with KLM

The things to know before you go.

Cheapest flight found	C$813
Cheapest month to fly	September
Nearby cities to visit	London

How to find cheap flights to London Heathrow with KLM

Looking for cheap plane tickets to London Heathrow? Here are a few tips on how to find the best price.

Simply hit "search"

We've compared every online travel agent and flight provider to find the cheapest KLM plane tickets to anywhere in the world, including London Heathrow.

Fly from Toronto Pearson International

At the moment, the best route to London Heathrow with KLM is from Toronto Pearson International.

Flex your dates for the best rates

If you’re flexible on your departure dates, hit Whole month as you search. You'll see the cheapest month, and even day, to fly to London Heathrow with KLM.

Set up a Price Alert

Got your eye on a specific flight to London Heathrow but not quite ready to book? No worries. We'll let you know when the price of the flight goes up or down so you can book when the time is just right. You're even able to watch specific KLM flights.

Book your KLM flight to London Heathrow Airport with extra peace of mind

Find flexible KLM flights to London Heathrow Airport

KLM might offer amendable tickets to London Heathrow Airport, which means you won't lose out if your booking has to be changed or canceled.

Add travel cost protection

Make sure you have the right travel insurance before flying to London Heathrow Airport. That way you can cover the costs of any unexpected events, such as delays or lost luggage.

Reduce your carbon footprint

To check whether there are any lower-emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box when you search for a flight with us.

Flying to London Heathrow with KLM: FAQs

How long is the flight to London Heathrow with KLM?

The average KLM flight time from Canada to London Heathrow is 6 hours and 35 minutes.

Does KLM fly into any other airports in or near London?

No – if you want to travel with KLM, London Heathrow is currently the only airport serving London.

Which other airlines can I fly to London Heathrow with?

At the moment, United, Lufthansa, Austrian Airlines, Air Canada and MEA all fly to London Heathrow too.

What’s the cheapest month to fly to London Heathrow with KLM?

Although it's difficult to get an accurate idea of when KLM flights to London Heathrow are cheapest, the cheapest plane tickets are currently for departures in May.