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Cheap flights from London to Montreal Pierre Elliott Trudeau Intl Airport from C$ 525

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YUL
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Montreal Pierre Elliott Trudeau Intl are usually found in May or February, booked 63 days in advance, depart on a Saturday or Wednesday and return on a Sunday

Cheap flight deals from London to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from London to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from London to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2025.

Thu 4/126:50 a.m.LHR - YUL
2 stops13h 20mAir Canada
Wed 10/128:10 p.m.YUL - LHR
2 stops19h 25mAir Canada
Deal found 30/11C$ 800
Thu 4/129:00 a.m.LHR - YUL
1 stop11h 10mMultiple Airlines
Wed 10/121:20 p.m.YUL - LHR
1 stop15h 00mMultiple Airlines
Deal found 30/11C$ 817
Wed 3/121:45 p.m.LHR - YUL
1 stop30h 25mAir Canada
Wed 10/124:50 p.m.YUL - LHR
1 stop11h 30mAir Canada
Deal found 2/12C$ 820
Wed 3/127:25 p.m.LHR - YUL
1 stop23h 20mAir Canada
Sat 31/19:30 p.m.YUL - LHR
1 stop30h 50mAir Canada
Deal found 3/12C$ 821
Tue 2/128:05 p.m.LHR - YUL
1 stop24h 05mMultiple Airlines
Tue 9/121:15 p.m.YUL - LHR
1 stop26h 20mMultiple Airlines
Deal found 1/12C$ 823
Thu 4/129:00 a.m.LHR - YUL
1 stop11h 10mMultiple Airlines
Sun 7/125:10 p.m.YUL - LHR
1 stop13h 10mMultiple Airlines
Deal found 1/12C$ 826
Sat 6/129:00 a.m.LHR - YUL
1 stop11h 10mAir Canada
Sun 7/128:05 a.m.YUL - LHR
1 stop20h 05mAir Canada
Deal found 1/12C$ 827
Thu 4/129:00 a.m.LHR - YUL
1 stop11h 10mAir Canada
Sat 13/127:30 p.m.YUL - LHR
Nonstop6h 40mAir Canada
Deal found 1/12C$ 828
Fri 5/129:00 a.m.LHR - YUL
1 stop11h 10mAir Canada
Wed 10/124:50 p.m.YUL - LHR
1 stop11h 30mAir Canada
Deal found 1/12C$ 830
Wed 3/129:00 a.m.LHR - YUL
1 stop11h 10mAir Canada
Sun 7/127:30 p.m.YUL - LHR
Nonstop6h 40mAir Canada
Deal found 2/12C$ 831
Thu 25/1211:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Tue 13/12:30 p.m.YUL - LGW
1 stop14h 15mAir Transat
Deal found 3/12C$ 889
Thu 4/1210:35 a.m.STN - YUL
2 stops30h 25mMultiple Airlines
Wed 10/125:55 p.m.YUL - STN
2 stops18h 20mMultiple Airlines
Deal found 30/11C$ 889

Find flight deals from London to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 December 2025.

Round-trip from

C$ 798

One-way from

C$ 525

Popular in

December

Cheapest in

May

Average price

C$ 1,146

Good round-trip deal

C$ 888 or less

Good one-way deal

C$ 888 or less
21/1-28/1
  • 21/1-28/1
  • 3 total stops
  • 32h 35m total
  • London to Montreal
Search Deals
17/2
  • 17/2
  • 2 total stops
  • 27h 50m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from London (LON) to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from London (LON) to Montreal Pierre Elliott Trudeau Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Pierre Elliott Trudeau Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 December 2025.
Use the filters below to find and compare flights from London to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

London

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 29/3

12:40 p.m.-5:20 p.m.

1 stop9h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

1:20 p.m.-6:30 a.m.

1 stop12h 10m

C$ 799

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Thu 7/5

5:30 a.m.-5:20 p.m.

1 stop16h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

11:45 p.m.-5:40 p.m.

1 stop12h 55m

C$ 799

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 29/3

12:40 p.m.-5:20 p.m.

1 stop9h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

C$ 799

LondonMontreal

LCY - YUL

LCYYUL

London City

Thu 22/1

9:15 a.m.-1:45 p.m.

2 stops33h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

4:45 p.m.-5:05 p.m.

1 stop19h 20m

C$ 814

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Sat 9/5

5:30 a.m.-5:20 p.m.

1 stop16h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

11:45 p.m.-5:40 p.m.

1 stop12h 55m

C$ 821

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 6/4

9:30 a.m.-12:05 p.m.

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

C$ 821

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 9/5

9:30 a.m.-11:50 a.m.

Nonstop7h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

C$ 821

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 8/5

12:40 p.m.-6:10 p.m.

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

C$ 821

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 10/5

9:30 a.m.-11:50 a.m.

Nonstop7h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

C$ 821

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 4/4

2:05 p.m.-4:40 p.m.

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

C$ 821

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 60 results
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Best time to book a flight from London to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Montreal Pierre Elliott Trudeau Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from London to Pierre Elliott Trudeau Intl. Price data was last updated on 28 November 2025.

The price you pay for your flight from London to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, May is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 486). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 732). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to YUL?

Find hourly flight availability from London to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 December 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 81% on flights from London to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets in the afternoon.

Weekly flight availability from London to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from London to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 December 2025.

The most flights from LON to YUL are scheduled on a Wednesday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from London to Montreal Pierre Elliott Trudeau Intl Airport?

What’s the top layover airport for flights from London to Montreal Pierre Elliott Trudeau Intl Airport?

Share of one-stop round-trip flights from London to Montreal Pierre Elliott Trudeau Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 86% of one-stop itineraries from London to Montreal Pierre Elliott Trudeau Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from London to Montreal Pierre Elliott Trudeau Intl Airport?

Average round-trip fare for 1-stop flights from London to Montreal Pierre Elliott Trudeau Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 709.

What’s the fastest layover option from London to Montreal Pierre Elliott Trudeau Intl Airport?

Shortest average travel time for 1-stop one-way flights from London to Montreal Pierre Elliott Trudeau Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 12h 15m.

Which airport typically offers the quickest layover for flights from London to Montreal Pierre Elliott Trudeau Intl Airport?

Average layover duration for 1-stop one-way flights from London to Montreal Pierre Elliott Trudeau Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 04m.

How often are flights from London to Montreal delayed?

About 12% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 139 minutes.

What is the most punctual flight time for London to Montreal flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Montreal flights?

Over the past year, Air Canada has had the lowest number of delays on this route, with just 8% of flights being delayed.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated 3 December 2025.
Check out reviews from past customers who have flown with Air Transat,Air Canada, andLufthansa from London to Montreal Pierre Elliott Trudeau Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
480 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,497 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,605 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
British Airways
6.7
Okay
7,552 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

Find useful and relevant information for your journey from London to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Montreal Pierre Elliott Trudeau Intl Airport?

    A quick flight from London to Montreal Pierre Elliott Trudeau Intl Airport can take about 9h 40m. Lufthansa provides one of the quickest options available for as low as C$ 799. Airlines will cover a distance of 5213 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Our cheapest airline available from London to Montreal Pierre Elliott Trudeau Intl Airport is Air Transat. Our recent data shows that you can find tickets from as low as C$ 610 on this airline. Additional options worth looking into are Lufthansa and British Airways, starting at C$ 659 and C$ 660 round-trip. You may be able to fly from London to Montreal Pierre Elliott Trudeau Intl Airport for 31% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    For one-way options, check prices for Air Transat. According to our data, you can fly for as low as C$ 379. Users have also found prices from C$ 580 and C$ 582 on British Airways and TAP AIR PORTUGAL, respectively.

  • What are the most popular routes from London to Montreal Pierre Elliott Trudeau Intl Airport?

    When deciding which route to take from London to Montreal Pierre Elliott Trudeau Intl Airport consider London Heathrow - Montreal Pierre Elliott Trudeau Intl, London Gatwick - Montreal Pierre Elliott Trudeau Intl or London City - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

  • What are the most reliable airlines from London to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Montreal Pierre Elliott Trudeau Intl Airport on time: Air Canada (99%), Austrian Airlines (99%), United Airlines (99%).

  • What are the cheapest flights from London to Montreal Pierre Elliott Trudeau Intl Airport?

    The cheapest flight price from London to Montreal Pierre Elliott Trudeau Intl Airport is C$ 592. On average you can expect to pay C$ 919. The most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 632.

  • Can I find deals for flights from London to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on London to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from London to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from London to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, May is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 486). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 732). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Cornwall
Sherbrooke
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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Alternative routes for London to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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East Midlands to Pierre Elliott Trudeau Intl flights

Top 4 airlines flying from London to Pierre Elliott Trudeau Intl

Discover the top 4 airlines that operate flights from London to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 610AverageC$ 1,151FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapestC$ 659AverageC$ 858FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 660AverageC$ 1,105FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 681AverageC$ 913FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Pierre Elliott Trudeau Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Pierre Elliott Trudeau Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Pierre Elliott Trudeau Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Pierre Elliott Trudeau Intl from London.

Can Cheapflights find flights from London to Pierre Elliott Trudeau Intl with no change fees?

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Pierre Elliott Trudeau Intl become cheaper?

Yes, Cheapflights offers price alerts on London to Pierre Elliott Trudeau Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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