YUL - LHR

C$ 393 Find Cheap Flights from Montreal to London Heathrow Airport – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 793
Typical prices: C$ 897-C$ 1,203
TAP AIR PORTUGAL
Sun 18/11Tue 27/11
YUL - LHR • 1 stop
Cheapest direct flights
C$ 860
Typical prices: C$ 901-C$ 1,203
Air Canada
Thu 11/10Sun 21/10
YUL - LHR • Direct
Direct flights
You can fly direct with Air Canada and British Airways. Average duration is 6h 50m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 75% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 7 weeks in advance save around 9% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 796 (round-trip)
Shortest trip • 10h 03m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Montreal to Heathrow (YUL-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Montreal to Heathrow

Wed, 18 Nov - Fri, 27 Nov
TAP AIR PORTUGAL Logo
9:45 p.m. - 3:30 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
12h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:15 a.m. - 7:55 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
16h 40m1 stop Lisbon Humberto Delgado
C$ 793TAP AIR PORTUGAL
Wed, 18 Nov - Wed, 25 Nov
TAP AIR PORTUGAL Logo
9:45 p.m. - 3:30 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
12h 45m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:15 a.m. - 7:55 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
16h 40m1 stop Lisbon Humberto Delgado
C$ 793TAP AIR PORTUGAL
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
6:30 p.m. - 8:05 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
20h 35m1 stop Barcelona-El Prat
Multiple Airlines Logo
9:55 a.m. - 12:30 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
31h 35m1 stop Barcelona-El Prat
C$ 800Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
6:30 p.m. - 8:05 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
20h 35m1 stop Barcelona-El Prat
Multiple Airlines Logo
9:55 a.m. - 12:30 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
31h 35m1 stop Barcelona-El Prat
C$ 800Multiple Airlines
Mon, 23 Nov - Wed, 25 Nov
Air Canada Logo
8:00 p.m. - 11:20 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
10h 20m1 stop Toronto Pearson Intl
Air Canada Logo
11:05 a.m. - 11:40 a.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
29h 35m1 stop Brussels Bruxelles-National
C$ 802Air Canada
Mon, 26 Oct - Thu, 29 Oct
Air Canada Logo
7:50 p.m. - 8:20 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
32h 30m1 stop Vienna Intl
Air Canada Logo
6:50 a.m. - 12:40 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
9h 50m1 stop Brussels Bruxelles-National
C$ 820Air Canada
Mon, 12 Oct - Tue, 20 Oct
Lufthansa Logo
10:10 p.m. - 10:00 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
6h 50mdirect
Lufthansa Logo
2:05 p.m. - 4:40 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
7h 35mdirect
C$ 892Lufthansa
Tue, 13 Oct - Thu, 22 Oct
Lufthansa Logo
6:40 p.m. - 6:30 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
6h 50mdirect
Lufthansa Logo
2:05 p.m. - 4:40 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
7h 35mdirect
C$ 892Lufthansa
Sun, 15 Nov - Tue, 24 Nov
British Airways Logo
9:15 p.m. - 9:05 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
6h 50mdirect
British Airways Logo
4:45 p.m. - 7:15 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
7h 30mdirect
C$ 943British Airways
Fri, 13 Nov - Wed, 18 Nov
British Airways Logo
9:05 p.m. - 8:55 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow
6h 50mdirect
British Airways Logo
4:45 p.m. - 7:15 p.m.LHR  London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl
7h 30mdirect
C$ 943British Airways
Booking Insights

Price, demand, and travel trends for Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport with more confidence.

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

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport start at C$ 793. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 897 to C$ 1,203. The lowest price found in the past 5 days was C$ 793 on TAP AIR PORTUGAL.

What's the cheapest day of the week to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Wednesday is the cheapest day of the week to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport and is 5% cheaper than the average day. Saturday is the most expensive day with flight prices 4% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport at C$ 877 round-trip.
  • December (C$ 1,245) and July (C$ 1,125) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 41% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport the cheapest?

Flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport are cheapest 7 weeks before departure. Booking in this window typically costs about 9% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Montreal to Heathrow

 
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.

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.

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.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

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.

Key details for Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights

Low season

February

Cheapest flight

C$ 393
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly (3% more expensive on average)
Flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

When to book flights from Montreal to Heathrow

Are your dates flexible? Find out the best times to travel from Montreal to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines offer extra legroom and free seat selection on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights?

    Among airlines operating Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights:

    • Air Canada: offers extra legroom; offers free seat selection
    • Lufthansa: offers extra legroom; offers free seat selection
    • Finnair: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    2 airlines operate flights between Montreal Pierre Elliott Trudeau Intl Airport and London Heathrow Airport. The airlines offering direct flights on this route include:

    • Air Canada
    • British Airways

  • Which airports can I use when flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    Flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at London Heathrow (LHR).

  • Which airlines include bags at no extra cost on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Air Canada: a carry-on bag and a checked bag in Economy Class
    • British Airways: a carry-on bag and a checked bag in Economy Class
    • Lufthansa: a carry-on bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    Four cabin classes are available on flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 796 round-trip via Lisbon Humberto Delgado (LIS), compared to C$ 1,047 for direct.

  • What is the standard checked bag allowance on flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 84–C$ 138 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    The Boeing 787-8 Dreamliner family is used most often on this route, operated mainly by British Airways and Finnair. Other aircraft seen on the route include Airbus A321neo variants.

  • Which airports do connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport pass through?

    One-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport most commonly connect through:

    • Lisbon Humberto Delgado (LIS) – 33% of one-stop connections
    • Paris Charles de Gaulle (CDG) – 26% of one-stop connections
    • Charlotte Douglas (CLT) – 9% of one-stop connections
    • Zurich (ZRH) – 9% of one-stop connections

    Lisbon Humberto Delgado (LIS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    Yes. Being flexible with your travel dates can save you up to 9% on the Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport route. Wednesday is the cheapest departure day at C$ 994 round-trip on average, while Saturday is the most expensive at C$ 1,085, a difference of C$ 91. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport route, 25% of flights were delayed in the past 3 months, with delays averaging 2 hours 39 minutes.

  • How are flight departures from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport spread across the day?

    Night is the busiest departure period on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights, with 66% leaving in that window. Evening departures account for 33%, Morning flights for 1%, and Afternoon flights for 0%.

  • Which popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London, and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • What are the earliest and latest flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    These are the earliest and latest flight times available from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport:

    • Earliest: departs at 6:40 pm and lands at 1:30 am
    • Latest: departs at 10:30 pm and lands at 5:20 am.

    The flight takes about 6h 50m.

  • How expensive are last-minute Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 2% above the route average of C$ 1,040. Book 7 weeks before departure for the lowest fares.

  • How long does a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport take?

    A direct flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport takes 6h 50m, covering 8,388 km.

  • Do I need a passport to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 793 to C$ 7,381. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport looking right now?

    One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about C$ 515, which is 44% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport when travelling from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    Flying via Brussels Bruxelles-National (BRU) gives the shortest average 1-stop total travel time at 10h 03m, compared with 10h 45m via Amsterdam Schiphol (AMS) and 10h 46m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Montreal Pierre Elliott Trudeau Intl Airport and London Heathrow Airport?

    London Heathrow Airport is 5 hours ahead of Montreal Pierre Elliott Trudeau Intl Airport (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around C$ 10 for economy cars. Top options include:
    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

  • How much should I expect to pay for a Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight?

    Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport range from C$ 897 to C$ 1,203, with an average of C$ 1,040 over the past 12 months. Anything below C$ 897 counts as a good deal.

  • Which airlines offer Wi-Fi on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights?

    Two airlines offer in-flight Wi-Fi on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights:

    • • Air Canada
    • • Lufthansa

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average C$ 994 – about C$ 91 less than Saturday (8% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 9% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport trip for November. Fares historically average C$ 877 round-trip in that month – typically C$ 368 less than the most expensive month, which is December (based on the last 12 months).
  • If arriving on time is high on your priority list, Air Canada is the strongest pick on this route. 75% of Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 75%. When flights on this route do arrive late, the average delay is 2 hours39 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Lisbon Humberto Delgado Airport (LIS) can be cheaper than flying direct. The cheapest layover option averages C$ 796 round-trip on this route – about C$ 251 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport

Prefer to fly direct from Montreal to London Heathrow Airport?

 
Find which airlines fly direct from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

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

Direct returns

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

More options for your flight from Montreal to Heathrow

Complete your trip to Heathrow with a hotel stay or car rental