Cheap flights from Toronto to London

Q: What are the cheapest airlines?

British Airways, Delta Air Lines, Icelandair, KLM, Air Transat. These airlines usually offer the cheapest flights from Toronto to London.

Q: Can I fly direct to London?

Finnair, British Airways, Delta Air Lines, Virgin Atlantic, Air Canada. You can fly non-stop from Toronto to London with these airlines.

Q: What airlines fly indirectly?

Aer Lingus, Icelandair, Turkish Airlines, Virgin Atlantic, KLM. These airlines fly from Toronto to London, but you’ll have at least one layover.

Q: How long is the flight?

7 hrs 5 mins. This is the shortest flight time from Toronto to London.

from as little as £397

2 nights in London, departing Toronto Lester B. Pearson International Airport on 28 / Mar / 2025 with Delta Air Lines (price found 33 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Toronto to London

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The Toronto / London route

All 5730 km of it

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London flight facts

What you need to know

What are the cheapest airlines?

British Airways
Delta Air Lines
Icelandair
KLM
Air Transat

These airlines usually offer the cheapest flights from Toronto to London.

Can I fly direct to London?

Finnair
British Airways
Delta Air Lines
Virgin Atlantic
Air Canada

You can fly non-stop from Toronto to London with these airlines.

What airlines fly indirectly?

Aer Lingus
Icelandair
Turkish Airlines
Virgin Atlantic
KLM

These airlines fly from Toronto to London, but you’ll have at least one layover.

How long is the flight?

7 hrs 5 mins

This is the shortest flight time from Toronto to London.

Alternative flights from the UK to London

Check out prices for other routes

Toronto Lester B. Pearson International Airport to London

from £397 pp

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Alternative flights from Toronto

You might find cheaper flights nearby

London City Airport from Toronto

from £787 pp

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London Gatwick from Toronto

from £432 pp

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London Heathrow from Toronto

from £397 pp

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28 / Mar / 2025 is currently the lowest priced day of the year to fly the Toronto/London route. There are around 201 flights on any given week from the UK to London and the cheapest month to fly right now is March.

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Key facts about London

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Toronto to London

Tips and advice from our flight experts

Netflights is free and simple to use. You can view all 201 of the weekly flights to or via London, flown by 11 airlines. Having them all in one place makes it easy to compare prices and find the best deal for you.

London actually has three airports. We've looked at all your options and found that, usually, London Heathrow is the cheapest airport to fly into. You should also look out for flights with Delta Air Lines – they often have the cheapest prices.

The cheapest airport to fly from is Toronto Lester B. Pearson International Airport, but we recommend booking in advance to get a good price.

The flight to London from Toronto takes roughly 9 hrs 10 mins. If you need somewhere to stay, take a look at our hotel options – you can sometimes save even more when you book your accommodation with your flight. Even if you don’t book, the prices will give you a good indication of how much hotels cost in United Kingdom.