Cheap flights from Montreal to London from C$ 431
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to London departing on 17/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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TAP AIR PORTUGAL flights from Montreal to London Heathrow Airport
Our best TAP AIR PORTUGAL deals on Montreal to London Heathrow Airport flight tickets
Air Canada flights from Montreal to London Heathrow Airport
Our best Air Canada deals on Montreal to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Montreal to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Montreal and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Montreal, with most prices found around C$ 858. If you aren’t able to travel to London Heathrow Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 914.
What is the cheapest day to depart on your flight to London Heathrow Airport?
According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Montreal. The lowest ticket price found for a Sunday departure recently was C$ 1,130. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to London Heathrow Airport for around C$ 1,288.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
Our data shows that the cheapest Montreal to London Heathrow Airport flights are usually those with departure times in the morning. Our users have found flights to London Heathrow Airport in the morning for as low as C$ 842. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,229 per ticket.
What is the cheapest Montreal to London Heathrow flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to London Heathrow for the best Montreal - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Montreal when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 1,026 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Montreal for as low as C$ 946 on momondo.
What cabin class options are available on Montreal to London Heathrow flights?
There are 3 cabin classes available to choose from on Montreal to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Montreal to London Heathrow Airport flights?
You could potentially save up to 13% on your flight if you consider stops on a Montreal to London Heathrow Airport flight.
How have Montreal to London Heathrow Airport flight prices changed over time?
As of May 2025, prices for Montreal to London Heathrow Airport flights are approximately 26% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Montreal to London Heathrow?
TAP AIR PORTUGAL, Air Canada, and Aer Lingus are the most popular carriers operating from Montreal to London Heathrow
Which airlines fly to London Heathrow Airport?
Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Montreal according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal to London Heathrow Airport on average per day?
As of May 2025, there are 13 flights per day flying from Montreal to London Heathrow Airport. The most common time of day flights depart is 10:00p.m., with 100% of flights taking off in the evening.
How many flights depart from Montreal to London Heathrow Airport on average per week?
As of May 2025, 96 flights take off from Montreal and land in London Heathrow Airport each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.
When to book flights from Montreal to London Heathrow Airport
Cheap Montreal to London Heathrow Airport (YMQ to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to London Heathrow Airport
How far is Montreal to London Heathrow by plane?
A flight from Montreal to London Heathrow will travel around 5197.8 km. In terms of flight time, this usually takes a little over 6h 35m.
When did momondo last update prices for flights from Montreal to London Heathrow Airport?
Prices for flights from Montreal to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Montreal to London Heathrow Airport?
As of May 2025, there are 10 operators available to choose from for flights from Montreal to London Heathrow Airport.
How old do you have to be to fly from Montreal to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montreal to London Heathrow Airport is Boeing 787-8 Dreamliner (47.44% of total bookings). The next most popular plane models are Airbus A321neo (22.12%), Boeing 787-9 Dreamliner (12.83%), and Airbus A330-200 (6.06%).
What is the most popular airline from Montreal to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to London Heathrow Airport is Air Canada (58% of total bookings). The next most popular airlines are British Airways (25%), Lufthansa (12%), and American Airlines (2%).
Best airlines flying from Montreal to London Heathrow Airport
Compare and see reviews for airlines that fly from Montreal to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 607 | Free Cancellation | Rating 7.4 1,456 reviews | |||
| PriceFrom C$ 623 | Free Cancellation | Rating 7.1 1,875 reviews | |||
| PriceFrom C$ 691 | Free Cancellation | Rating 7.8 388 reviews | |||
| PriceFrom C$ 748 | Free Cancellation | Rating 7.1 9,443 reviews | |||
| PriceFrom C$ 766 | Free Cancellation | Rating 7.4 644 reviews | |||
| PriceFrom C$ 776 | Free Cancellation | Rating 6.7 7,105 reviews | |||
| PriceFrom C$ 784 | Free Cancellation | Rating 6.6 6,948 reviews | |||
| PriceFrom C$ 801 | Free Cancellation | Rating 7.8 1,351 reviews | |||
| PriceFrom C$ 946 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 963 | Free Cancellation | Rating 7.6 1,283 reviews |
Finnair Flights From Montreal to London Heathrow Airport
Across 3 Finnair flights from Montreal to London Heathrow Airport this week, the average price was C$ 736, with the best Finnair deals starting from C$ 699 round-trip. 1,283 users have rated Finnair on momondo, with an average score of 7.6/10.
American Airlines Flights From Montreal to London Heathrow Airport
Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Montreal to London Heathrow Airport about 3 times each week, with ticket deals ranging from C$ 687 to C$ 830. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Montreal to London?
Finding the right flight to London from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from Montreal to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Montreal with this policy.
How can momondo help me find flights from Montreal to London?
momondo helps you find the best flight between Montreal and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Montreal to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.