Cheap flights from Montreal to London from £188
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 1/10. 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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British Airways flights from Montreal to London
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Air Canada flights from Montreal to London
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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?
The cheapest month to fly to London from Montreal is in May. Flight prices, which tend to average around £439, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Montreal averaging around £463.
What is the cheapest day to depart on your flight to London?
Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £480. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to London for around £590.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £467. Flights in the morning are often more expensive, with an average ticket price of £556.
What is the cheapest Montreal to London flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to London Heathrow 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 £548 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 £495 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 Air Transat 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 51% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 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?
The number of flights available between Montreal and London is 16 per day as of June 2025. The most frequent departure time is 22:00, with 100% of daily flights leaving in the evening.
How many flights depart from Montreal to London on average per week?
As of June 2025, 112 flights take off from Montreal and land in London each week. The most common flight departure day for this route is Fri, with 18% of weekly 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?
There are 3242.1 mi between Montreal and London. By plane, this route typically takes 6h 35m.
When did momondo last update prices for flights from Montreal to London?
Prices for flights from Montreal to London were last updated today.
How many operators does momondo search for flights from Montreal to London?
As of June 2025, there are 4 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 this flight route, the most popular airline on flight routes from Montreal to London is Air Canada (43% of total bookings). The next most popular airlines are British Airways (25%), Air Transat (22%), and American Airlines (5%).
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 £380 | Free Cancellation | Rating 7.8 396 reviews | |||
| PriceFrom £399 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom £409 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £588 | Free Cancellation | Rating 7.6 1,290 reviews |
Air Transat Flights From Montreal to London
The lowest priced Air Transat flight from Montreal to London from the last 72 hours was £517. Generally, Air Transat has 5 flights on this route every week with an average price of £762. Air Transat is rated 7.8/10 by our users.
Finnair Flights From Montreal to London
£799 is the best Finnair flight deal from Montreal to London found on momondo over the last 72 hours. The average Finnair ticket price found was closer to £835, however, with flight time and availability significantly affecting the price. Finnair (7.6/10 from 1,290 user reviews) flies into London from Montreal 4 times in an average week so prices can vary.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Montreal to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to London. momondo saves you time and could save you money on your trip.
Can I find flights from Montreal to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London from Montreal which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Montreal to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Montreal.
I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Montreal to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.