Cheap flights from Montreal to London from C$ 358
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 30/7. 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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How to get the cheapest flight ticket from Montreal to London
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 cheapest month to fly to London?
In general, May is the cheapest month to fly from Montreal to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 816. If you aren’t able to travel to London during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 860.
What is the cheapest day to depart on your flight to London?
According to our data, Sunday is the cheapest day to fly to London from Montreal. The lowest ticket price found for a Sunday departure recently was C$ 1,075. 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 for around C$ 1,197.
What is the cheapest time of day to depart on your flight to London?
Our most recent data shows that the best time of day to fly to London is at noon. Flights from Montreal to London during this time can be as low as C$ 749. In the evening is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,144 per ticket.
What is the cheapest Montreal to London flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to London Gatwick for the best Montreal - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Montreal when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 1,018 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Montreal for as low as C$ 919 on momondo.
What cabin class options are available on Montreal to London flights?
There are 3 cabin classes available to choose from on Montreal to London 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 flights?
No. A direct flight is the cheapest option for a flight between Montreal to London.
How have Montreal to London flight prices changed over time?
As of June 2025, prices for Montreal to London flights are approximately 3% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Montreal to London?
Air Transat, Porter Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Montreal to London
Which airlines fly to London?
Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London from Montreal according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when travelling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal to London on average per day?
As of June 2025, 10 flights take off from Montreal and land in London each day. The most common flight departure time for this route is 10:00p.m., with 100% of daily flights taking off in the evening.
How many flights depart from Montreal to London on average per week?
As of June 2025, there are 70 flights per week flying from Montreal to London. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.
When to book flights from Montreal to London
Cheap Montreal to London (YMQ to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to London
How far is Montreal to London by plane?
A flight from Montreal to London will travel around 5217.7 km. A reasonable flight in good conditions will take 6h 35m.
When did momondo last update prices for flights from Montreal to London?
Prices for flights from Montreal to London are updated daily.
How many operators does momondo search for flights from Montreal to London?
As of June 2025, there are 11 operators available to choose from for flights from Montreal to London.
How old do you have to be to fly from Montreal to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London 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. 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?
momondo data reveals that the most frequently booked plane model on the route from Montreal to London is Boeing 787-8 Dreamliner, representing 44.70% of all bookings. The subsequent popular models are Airbus A321neo at 28.67%, Boeing 787-9 Dreamliner at 12.90%, and Airbus A330-200 at 4.85%.
What is the most popular airline from Montreal to London?
Based on momondo bookings for flights between Montreal and London, the leading airline is Air Canada, making up 34% of the total bookings. Other popular airlines include Air Transat with 24%, British Airways with 23%, and Porter Airlines with 8%.
Best airlines flying from Montreal to London
Compare and see reviews for airlines that fly from Montreal to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 597 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom C$ 603 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom C$ 680 | Free Cancellation | Rating 8.0 288 reviews | |||
| PriceFrom C$ 685 | Free Cancellation | Rating 7.8 396 reviews | |||
| PriceFrom C$ 740 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom C$ 761 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom C$ 765 | Free Cancellation | Rating 6.7 7,136 reviews | |||
| PriceFrom C$ 779 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom C$ 795 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom C$ 939 | Free Cancellation | Rating 7.2 10,000 reviews |
Porter Airlines Flights From Montreal to London
Porter Airlines is one of the most popular airlines flying from Montreal to London, operating 5 flights/week on average for this route. A good Porter Airlines flight deal for Montreal to London starts from C$ 497 round-trip, up to an average price of C$ 560. Our users have rated Porter Airlines at 8.0/10.
Air Transat Flights From Montreal to London
Across 396 Air Transat reviews on momondo, the average score is 7.8/10. Air Transat flies from Montreal to London about 5 times each week, with ticket deals ranging from C$ 501 to C$ 722. 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?
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. momondo allows you to filter the results for Montreal to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Montreal to London?
Once all potential Montreal to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.