LHR - YUL

C$ 616 Find Cheap Flights from London Heathrow Airport to Montreal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Montreal departing on 28/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Montreal Pierre Elliott Trudeau Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Montreal, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Montreal, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 800
Typical prices: C$ 906-C$ 713
British Airways
Wed 23/9Mon 28/9
LHR - YUL • Direct
Cheapest direct flights
C$ 829
Typical prices: C$ 997-C$ 763
British Airways
Fri 8/5Sun 24/5
LHR - YUL • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
BA's premium economy offers 18 cm extra legroom.
Use the ArriveCAN app at YUL for faster customs.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from C$ 800 (round-trip)
Best reviews • 7.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with Air Canada and British Airways. Average duration is 7h 26m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 94% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg C$ 596 (round-trip)
Shortest trip • 12h 50m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 14% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Montreal!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Heathrow to Montreal (LHR-YUL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow to Montreal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Heathrow to Montreal

Wed, 23 Sep - Mon, 28 Sep
British Airways Logo
6:05 p.m. - 8:15 p.m.
LHR
-
YUL
7h 10mdirect
British Airways Logo
10:00 p.m. - 9:40 a.m.
YUL
-
LHR
6h 40mdirect
C$ 800British Airways
Sat, 29 Aug - Thu, 10 Sep
Air Canada Logo
2:10 p.m. - 8:20 p.m.
LHR
-
YUL
11h 10m
1 stop
Air Canada Logo
1:10 p.m. - 6:30 a.m.
YUL
-
LHR
12h 20m
1 stop
C$ 809Air Canada
Sat, 5 Sep - Sun, 6 Sep
Air Canada Logo
12:40 p.m. - 6:22 p.m.
LHR
-
YUL
10h 42m
1 stop
Air Canada Logo
3:30 p.m. - 8:35 a.m.
YUL
-
LHR
12h 05m
1 stop
C$ 811Air Canada
Fri, 4 Sep - Wed, 9 Sep
Air Canada Logo
12:40 p.m. - 6:22 p.m.
LHR
-
YUL
10h 42m
1 stop
Air Canada Logo
2:10 p.m. - 6:35 a.m.
YUL
-
LHR
11h 25m
1 stop
C$ 817Air Canada
Sun, 30 Aug - Fri, 11 Sep
Air Canada Logo
2:10 p.m. - 8:27 p.m.
LHR
-
YUL
11h 17m
1 stop
Air Canada Logo
2:10 p.m. - 8:35 a.m.
YUL
-
LHR
13h 25m
1 stop
C$ 825Air Canada
Fri, 8 May - Sun, 24 May
British Airways Logo
6:05 p.m. - 8:15 p.m.
LHR
-
YUL
7h 10mdirect
British Airways Logo
10:00 p.m. - 9:40 a.m.
YUL
-
LHR
6h 40mdirect
C$ 829British Airways
Sun, 30 Aug - Wed, 9 Sep
British Airways Logo
6:05 p.m. - 8:15 p.m.
LHR
-
YUL
7h 10mdirect
British Airways Logo
10:00 p.m. - 9:40 a.m.
YUL
-
LHR
6h 40mdirect
C$ 832British Airways
Fri, 12 Jun - Sun, 14 Jun
Air Canada Logo
2:10 p.m. - 6:49 a.m.
LHR
-
YUL
45h 39m
2 stops
Air Canada Logo
10:10 p.m. - 10:00 a.m.
YUL
-
LHR
6h 50mdirect
C$ 835Air Canada
Thu, 23 Apr - Sat, 2 May
British Airways Logo
6:05 p.m. - 8:15 p.m.
LHR
-
YUL
7h 10mdirect
British Airways Logo
10:00 p.m. - 9:40 a.m.
YUL
-
LHR
6h 40mdirect
C$ 854British Airways
Fri, 4 Sep - Thu, 10 Sep
British Airways Logo
6:05 p.m. - 8:15 p.m.
LHR
-
YUL
7h 10mdirect
British Airways Logo
10:00 p.m. - 9:40 a.m.
YUL
-
LHR
6h 40mdirect
C$ 863British Airways
Booking Insights

KAYAK's insights & trends for Heathrow to Montreal flights

Get data-powered insights and trends into flights from Heathrow to Montreal to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport departing in September.

What’s the cheapest day of the week to fly from London Heathrow Airport to Montreal?

The average price of all round-trip flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from London Heathrow Airport to Montreal, you should consider leaving on a Saturday and avoid Thursdays if you are looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Sundays and the most expensive ones on Tuesdays.

What is the cheapest month to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is September, where tickets cost C$ 787 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is C$ 1,108 and C$ 1,101 respectively.

Can I save money by flying with a layover from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at C$ 846 on average.

How far in advance should I book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, you should book around 2 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Heathrow to Montreal

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Mark Stachiew

Mark Stachiew

Expert on YUL

Mark Stachiew has been exploring the world and writing about it for more than 30 years. His travel stories have appeared in numerous newspapers, magazines and online publications in Canada, the United States and beyond.

Good to know

Low seasonFebruary
Cheapest flightC$ 622
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly (17% more expensive on average)
Flight from London Heathrow Airport to Montreal

When to book flights from Heathrow to Montreal

Are your dates flexible? Find out the best times to travel from Heathrow to Montreal based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Montreal flights

  • What is the cheapest flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport was C$ 616 for a one-way ticket and C$ 800 for a round-trip.

  • Which airports will I be using when flying from London Heathrow Airport to Montreal?

    When flying out of London Heathrow Airport you will be using London Heathrow. You will be landing at Montreal, also known as Montreal Pierre Elliott Trudeau Intl.

  • Which airlines offer Wi-Fi service onboard planes from London Heathrow Airport to Montreal?

    Lufthansa, and Air Canada offer inflight Wi-Fi service on the London Heathrow Airport to Montreal flight route.

  • Which aircraft models fly most regularly from London Heathrow Airport to Montreal?

    The Boeing 787-8 Dreamliner is the aircraft model that flies most regularly on the London Heathrow Airport to Montreal flight route.

  • Which airline alliances offer flights from London Heathrow Airport to Montreal?

    oneworld, and Star Alliance are the airline alliances operating flights between London Heathrow Airport and Montreal, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from London Heathrow Airport to Montreal?

    There are direct flights from London Heathrow Airport to Montreal on a daily basis.

  • Which is the best airline for flights from London to Montreal, Air Canada or Lufthansa?

    The two airlines most popular with KAYAK users for flights from London to Montreal are Air Canada and Lufthansa. With an average price for the route of C$ 1,005 and an overall rating of 7.1, Air Canada is the most popular choice. Lufthansa is also a great choice for the route, with an average price of C$ 890 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Montreal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Montreal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Montreal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Montreal from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Montreal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Montreal with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Montreal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Montreal from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 917 or less one-way and C$ 921 or less round-trip.

Prefer to fly direct from London Heathrow Airport to Montreal?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
Find which airlines fly direct from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, which days they fly and book direct flights.

Direct departures

London Heathrow to Montreal Pierre Elliott Trudeau Intl

Monday

Air Canada,British Airways

Air Canada,British Airways

Tuesday

Air Canada,British Airways

Air Canada,British Airways

Wednesday

Air Canada,British Airways

Air Canada,British Airways

Thursday

Air Canada,British Airways

Air Canada,British Airways

Friday

Air Canada,British Airways

Air Canada,British Airways

Saturday

Air Canada,British Airways

Air Canada,British Airways

Sunday

Air Canada,British Airways

Air Canada,British Airways

See more nonstop flights

Direct returns

Montreal Pierre Elliott Trudeau Intl to London Heathrow

Monday

Air Canada,British Airways

Air Canada,British Airways

Tuesday

Air Canada,British Airways

Air Canada,British Airways

Wednesday

Air Canada,British Airways

Air Canada,British Airways

Thursday

Air Canada,British Airways

Air Canada,British Airways

Friday

Air Canada,British Airways

Air Canada,British Airways

Saturday

Air Canada,British Airways

Air Canada,British Airways

Sunday

Air Canada,British Airways

Air Canada,British Airways

See more nonstop flights

Reviews of the top 3 airlines flying from Heathrow to Montreal

 
See real verified KAYAK customer reviews for airlines flying from London to Montreal. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Montreal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Air CanadaOverall score based on 10907 reviews
6.8Entertainment
7.1Comfort
7.8Crew
7.3Boarding
6.3Food
Airline reviews

Boarding procedures were a gong show. Everyone was confused and AC staff were very rude and impatient when people were confused about boarding zones

4.0 OkayMichael, Apr 2026
CDG - YUL
Read more Air Canada reviews

Boarding procedures were a gong show. Everyone was confused and AC staff were very rude and impatient when people were confused about boarding zones

I bought a ticket from Kayak. When I got to the airport, the was no ticket. I had to pay 5X to get to my destination. No response received from Kayak. I will NEVER use them again.

My wallet was stolen while I was sleeping on the plane.

After waiting in the airport from 7am (to make sure we had enough time for security), our flight was continually delayed until it was canceled. They tried to book us on a Delta flight, which we considered and even went to the Delta terminal with our luggage (which was stowed and then available once the flight was canceled (about 15 min away) but were then informed that we would need to retrieve our luggage at LaGuardia and then recheck in to Air Canada in New York, grab our luggage, and then get to the air canada terminal and re-check in. We decided against it, took our luggage into an uber home and then drive the 6.5 hours (one way) to Montreal instead.

The seats were the most comfortable and spacious that I ever flew, and I flew more than 20 different airlines (economy)

Flight departed significantly late with no announcements being made. Woman behind me would not allow me to recline my seat so I was unable to comfortably sleep. Flight attendant not very responsive. Slow to pick up garbage after meal. Not a good experience at all. I felt like cattle rather than like a valued customer

Boarding was extremely challenging, long lines and wait time, almost missed my flight.

I checked a bag and there was only one agent to assist all customers with any issues.

Hoping for small compasation for having to rebook my trip back cause i had to miss 6 hrs work

Great setup on both flights except the last flight we got condensed dripping all over me in the last 20 mins of the flight

The flight was delayed 7 hours and we were given 10 euros vouchers. This is ridiculous. The crew was not nice at all, they just did their job with serving food and drinks. Did not even apologize for the delay!!!!

Flight map did not work. Crew was great, food was good, plane took off on time and landed early. That's all I can ask.

Paid for exit row at the back of the plane. Window seat with lots of leg space. Food was inedible (as usual). Brought my own.

Missed flight. Requested assistance for my father and he did not receive it in Paris.

Business Class was very comfortable and the food and service was top notch.

The crew was very nice. The equipment on the 747 felt old.

As expected. Would have appreciated a 3-day headsup reminder as a reassurance that all is well.

Poor food on flight between Toronto and Stockholm Airport Toronto too crowded

The plane was late (as was my flight out from Birmingham the day before)

Business Class Configuration was excellent- private and comfortable. Crew and service were excellent. I really appreciate Air Canada cabin pressurization equal to an altitude of 8,000ft. Upon landing, I felt more alert and refreshed than typical for international flights

It was not British Air, we were put onto Air Portugal for our London to Lisbon leg.

Everything was spectacular except the boarding. It was just a mob of people while all groups were called over the public address system.

The Britts are wonderful to fly with and the crew were very hospitable. Again, I really wish they had been able to retrieve my carryon bag from baggage claim before the flight so I could be in a less worrisome state of mind, but that's not on them. I completely understand. The window seats with the dimmable windows were very cool!

There was a delay for the San Francisco-London flight, but we were all informed via text and email. The staff was very friendly and nice and the food was good. I do recommend that the airline offer something without eggs or something vegan for the vegetarian meal option. A lot of Indians are lacto-vegetarian, while some could be allergic to eggs/dairy.

food options were terrible. for a 10-hour flight, there should be 2 decent meals. Also, flight attendants should come around with drinks more than just at the meals.

Smooth flight. The seats were comfortable but the reclining mechanism didn't work very well. My wife's seat required the flight attendant to push the seat forward while she pushed the button. The leg support didn't want to return to its home under the seat. I ordered the diabetic meal which was full of carbs. It was low in sugar but carbs turn into sugar so was it really diabetic? Overall the flight was pleasant, long but pleasant.

Crew were nice, food was good. Boarding was horrendous. We were driven around the airport in a bus forced to climb a long flight of very steep stairs with no adequate handrails to board the plane . In many many years of flying to the US I have never been required to do this . There was no assistance for those needing help getting up the stairs to the plane. A fellow passenger helped me. No idea how other elderly, physically limited passengers or those with young children managed . It was a full flight with crowds trying to get up the stairs. It was an accident waiting to happen.

Horrible, the plane is just old and junky...Filthy restroom, seat was as hard as rock. The food, mystery side dish, inedible..geez..just Horrible. Never flying BA again

Club Europe is always lovely. I really enjoy everything about it. One thing that has changed in recent years though, is the swap to Prosecco from Champagne in the lounges. This is really disappointing. I really don’t like Prosecco, and always looked forward to a lovely glass of champagne in the lounge. Is it possible to change back? It does make the whole experience a little more of a luxury experience.

the service on Business class should be improved to be at par with industry leaders like Cathay Pacific and Singapore AIrlines. A lot of room for improvement.

Everything you need to know for your flight from Heathrow to Montreal

Information on your arrival and departure airports