Cheap flights from Toronto Lester B. Pearson International Airport to London Heathrow

from as little as £380

19 nights in London, departing Toronto Lester B. Pearson International Airport on 27 / Oct / 2025 with Virgin Atlantic (price found 2 hours ago)

Subject to availability, prices correct of the last 24 hours
London Heathrow
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The Toronto Lester B. Pearson International Airport / London Heathrow route

All 5711 km of it

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London Heathrow flight facts

What you need to know

Alternative flights from Toronto Lester B. Pearson International Airport to London Heathrow

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London Heathrow

27 / Oct / 2025 is currently the lowest priced day of the year to fly the Toronto Lester B. Pearson International Airport/London Heathrow route. There are around 145 flights on any given week from the UK to London Heathrow and the cheapest month to fly right now is October.

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Min / Max Temperature (°C)
LOWEST

2 °C

AVG

11 °C

HIGHEST

24 °C

Rainfall (mm)
LOWEST

38.1 mm

AVG

52.5 mm

HIGHEST

66 mm

Key facts about London Heathrow

How to get cheap flights from Toronto Lester B. Pearson International Airport to London Heathrow

Tips and advice from our flight experts

We help you find cheap flights by searching thousands of routes, across hundreds of airlines, so that you can easily compare the prices. Icelandair is normally the cheapest airline for flying from Toronto Lester B. Pearson International Airport to London Heathrow. But we recommend that you check all possible airlines, to be sure of getting a great deal.

The most popular airlines to fly with are Air Canada, British Airways & Aer Lingus, but they're not always the cheapest. If you want a bargain, try widening your search to include other airports in London and more flights."> You can also find cheap accommodation in London with Netflights, for either your whole trip or just one night's stay near the airport.

Did you know you can compare accommodation prices too? If you need somewhere to stay in London, take a look at our hotel options to get an idea of prices.

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