Cheap flights from Montréal to London Heathrow

Q: What are the cheapest airlines?

Finnair, British Airways, Delta Air Lines, Virgin Atlantic. These airlines usually offer the cheapest flights from Montréal to London Heathrow.

Q: Can I fly direct to London Heathrow?

Air Canada, Lufthansa, Finnair, British Airways. You can fly non-stop from Montréal to London Heathrow with these airlines.

Q: What airlines fly indirectly?

Delta Air Lines, Virgin Atlantic. These airlines fly from Montréal to London Heathrow, but you’ll have at least one layover.

Q: How long is the flight?

6 hrs 50 mins. This is the shortest flight time from Montréal to London Heathrow.

from as little as £552

7 nights in London, departing Montréal on 23 / Jan / 2025 with Delta Air Lines (price found 3 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Montréal to London Heathrow

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The Montréal / London Heathrow route

All 5194 km of it

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London Heathrow flight facts

What you need to know

What are the cheapest airlines?

Finnair
British Airways
Delta Air Lines
Virgin Atlantic

These airlines usually offer the cheapest flights from Montréal to London Heathrow.

Can I fly direct to London Heathrow?

Air Canada
Lufthansa
Finnair
British Airways

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

What airlines fly indirectly?

Delta Air Lines
Virgin Atlantic

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

How long is the flight?

6 hrs 50 mins

This is the shortest flight time from Montréal to London Heathrow.

Alternative flights from Montréal

You might find cheaper flights nearby

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Find flights

23 / Jan / 2025 is currently the lowest priced day of the year to fly the Montréal/London Heathrow route. There are around 26 flights on any given week from the UK to London Heathrow and the cheapest month to fly right now is January.

Not suitable? Try running another search or viewing all cheap flight deals.

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

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Montréal to London Heathrow

Tips and advice from our flight experts

There are six airlines offering flights to London. The most direct route isn’t necessarily the cheapest – being flexible is key to finding the lowest airfare rates. For example, try searching by month to see the best time of the week to fly. The cheapest date is currently 23 / Jan / 2025.

Make sure you use the search options above to search for flights to other airports in London, not just London Heathrow. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 8 hrs.

There are about 26 flights to or via London every week, so you have plenty of options. Keep your eye out for flights with Air Canada, Delta Air Lines and Lufthansa – these are the most popular airlines for flying to .

During this peak season, hotel and holiday prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.