Cheap flights from Montreal to London from $286
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 10/22. 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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Route
Depart
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MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 2/23
6:30 pm-8:05 pm
1 stop20h 35m
London Heathrow
Sat 2/27
9:55 am-12:30 pm
1 stop31h 35m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 11/10
6:30 pm-8:05 pm
1 stop20h 35m
London Heathrow
Tue 11/17
9:55 am-12:30 pm
1 stop31h 35m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 11/11
7:10 pm-7:10 am
Nonstop7h 00m
London Heathrow
Thu 11/19
9:00 am-3:10 pm
1 stop11h 10m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 11/30
7:10 pm-7:10 am
Nonstop7h 00m
London Heathrow
Thu 12/10
6:00 am-3:10 pm
1 stop14h 10m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 11/10
9:15 pm-9:05 am
Nonstop6h 50m
London Heathrow
Tue 11/17
4:45 pm-7:15 pm
Nonstop7h 30m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 12/2
7:10 pm-7:10 am
Nonstop7h 00m
London Heathrow
Mon 12/7
6:35 am-6:20 pm
1 stop16h 45m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 11/30
7:10 pm-7:10 am
Nonstop7h 00m
London Heathrow
Mon 12/7
6:35 am-6:20 pm
1 stop16h 45m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 3/10
9:45 pm-5:30 pm
1 stop14h 45m
London Heathrow
Sun 4/11
11:20 am-9:10 pm
1 stop14h 50m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 10/27
10:15 pm-9:05 am
Nonstop6h 50m
London Heathrow
Thu 11/5
4:45 pm-7:15 pm
Nonstop7h 30m
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 12/4
9:45 pm-9:35 pm
1 stop18h 50m
London Heathrow
Sun 12/13
8:15 am-7:55 pm
1 stop16h 40m
See travel insights to London from
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?
Prices are currently low for flights on this route.
Typical prices usually range from $658 to $843.The lowest price recently found on this route was $613.
What is the cheapest month to fly to London Heathrow Airport?
The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Montreal, with most prices found around $704. If you’re not able to fly to London Heathrow Airport in November, then January is your next best option. Flight prices from Montreal to London Heathrow Airport during January average around $708.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $841. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $898.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Montreal to London Heathrow Airport in the afternoon for as low as $800. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $880.
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 from Montreal to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $769 when searching 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 $742 on momondo.
What cabin class options are available on Montreal to London Heathrow Airport flights?
There are 3 cabin classes available to choose from on Montreal to London Heathrow Airport 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?
No. A direct flight is the cheapest option for a flight between Montreal to London Heathrow Airport.
How have Montreal to London Heathrow Airport flight prices changed over time?
What is the cheapest airline that flies from Montreal to London Heathrow?
TAP AIR PORTUGAL is the most popular carrier operating from Montreal to London Heathrow
What 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 47% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How often are flights from Montreal to London delayed?
Historically, on average around 25% of flights between Montreal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.
What is the most punctual flight time for Montreal to London flights?
Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.
What day of the week experiences the fewest flight delays on this route?
Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on Montreal to London flights?
According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 25% of their flights experiencing any sort of delay.
How many flights depart from Montreal to London Heathrow Airport on average per day?
As of October 2026, 14 flights take off from Montreal and land in London Heathrow Airport each day. The most common flight departure time for this route is 10:00PM, with 100% of daily flights taking off in the evening.
How many flights depart from Montreal to London Heathrow Airport on average per week?
The number of flights available between Montreal and London Heathrow Airport is 100 per week as of October 2026. The most frequent departure day is Tue, with 18% of weekly flights leaving 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
Frequently asked questions about flying from Montreal to London Heathrow Airport
How far is Montreal to London Heathrow by plane?
London Heathrow is 3229.8 mi away from Montreal. By plane, this route typically takes 6h 40m.
When did momondo last update prices for flights from Montreal to London Heathrow Airport?
Prices for flights from Montreal to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to London Heathrow Airport?
As of October 2026, there are 5 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 (40.14% of total bookings). The next most popular plane models are Airbus A330-300 (17.88%), Boeing 787-9 Dreamliner (12.49%), and Airbus A321neo (11.86%).
What is the most popular airline from Montreal to London Heathrow Airport?
Based on momondo bookings for flights between Montreal and London Heathrow Airport, the leading airline is Air Canada, making up 57% of the total bookings. Other popular airlines include Lufthansa with 28% and British Airways with 15%.
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 $531 | Free Cancellation | Rating 7.2 2,377 reviews | |||
| PriceFrom $596 | Free Cancellation | Rating 7.1 11,758 reviews | |||
| PriceFrom $631 | Free Cancellation | Rating 6.8 8,273 reviews | |||
| PriceFrom $632 | Free Cancellation | Rating 7.0 12,150 reviews | |||
| PriceFrom $654 | Free Cancellation | Rating 6.7 8,260 reviews |
Air Canada Flights From Montreal to London Heathrow Airport
Across 10 Air Canada flights from Montreal to London Heathrow Airport this week, the average price was $796, with the best Air Canada deals starting from $596 round-trip. 11,758 users have rated Air Canada on momondo, with an average score of 7.1/10.
American Airlines Flights From Montreal to London Heathrow Airport
American Airlines is also a popular choice for this route. American Airlines flight deals for Montreal to London Heathrow Airport start from as low as $632 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $816. American Airlines operates 4 flights to London Heathrow Airport from Montreal in an average week. Users have rated it 7.0/10 across 12,150 reviews.
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Why should I use momondo to find a flight deal from Montreal to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to London for you.
Can I find flights from Montreal to London with flexible booking policies on momondo?
Yes. All flights to London from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Montreal to London?
momondo provides multiple filters to help you find the best flight to London from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Montreal to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.