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Cheap flights from London to Montreal Pierre Elliott Trudeau Intl Airport from C$ 597

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YUL
28 Apr — 5 May1
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 September, booked 71 days in advance, depart on a Sunday or Friday 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 29 March 2026.

Mon 1/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Tue 9/64:40 p.m.
YUL
-
LGW
1 stop10h 15m
Air Transat
Deal found 26/3C$ 697
Mon 1/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Tue 2/64:40 p.m.
YUL
-
LGW
1 stop10h 15m
Air Transat
Deal found 25/3C$ 699
Wed 6/510:00 p.m.
STN
-
YUL
3 stops31h 25m
Multiple Airlines
Wed 20/57:20 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Deal found 28/3C$ 700
Tue 12/510:00 p.m.
STN
-
YUL
2 stops31h 25m
Multiple Airlines
Tue 19/56:45 a.m.
YUL
-
STN
2 stops25h 40m
Multiple Airlines
Deal found 28/3C$ 703
Tue 21/48:50 a.m.
LGW
-
YUL
2 stops20h 48m
Multiple Airlines
Tue 19/57:20 p.m.
YUL
-
LGW
2 stops16h 05m
Multiple Airlines
Deal found 29/3C$ 704
Fri 8/56:35 a.m.
STN
-
YUL
2 stops16h 45m
Multiple Airlines
Tue 26/56:45 a.m.
YUL
-
STN
2 stops25h 40m
Multiple Airlines
Deal found 29/3C$ 709
Sun 6/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Sun 27/94:40 p.m.
YUL
-
LGW
2 stops37h 05m
Air Transat
Deal found 26/3C$ 711
Tue 19/510:00 p.m.
STN
-
YUL
3 stops31h 25m
Multiple Airlines
Tue 26/56:45 a.m.
YUL
-
STN
3 stops34h 35m
Multiple Airlines
Deal found 28/3C$ 720
Wed 13/510:00 p.m.
LGW
-
YUL
2 stops31h 25m
Multiple Airlines
Wed 20/57:20 p.m.
YUL
-
LGW
2 stops22h 30m
Multiple Airlines
Deal found 29/3C$ 724
Tue 19/510:00 p.m.
STN
-
YUL
3 stops31h 25m
Multiple Airlines
Sun 31/56:45 a.m.
YUL
-
STN
2 stops34h 10m
Multiple Airlines
Deal found 29/3C$ 725
Fri 8/56:20 a.m.
LTN
-
YUL
2 stops23h 05m
Multiple Airlines
Tue 26/56:45 a.m.
YUL
-
LTN
2 stops35h 05m
Multiple Airlines
Deal found 29/3C$ 728
Tue 12/510:00 p.m.
STN
-
YUL
2 stops25h 20m
Multiple Airlines
Sun 31/56:45 a.m.
YUL
-
STN
2 stops34h 10m
Multiple Airlines
Deal found 29/3C$ 732

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 29 March 2026.

Round-trip from

C$ 697

One-way from

C$ 597

Popular in

December

Cheapest in

May

Average price

C$ 959

Good round-trip deal

C$ 796 or less

Good one-way deal

C$ 598 or less
Air Transat
  • Air Transat
  • 1/6-9/6
  • 1 total stop
  • 17h 55m total
  • London to Montreal
Search Deals
7/9
  • 7/9
  • 3 total stops
  • 26h 10m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
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.
Search Deals

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 29 March 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Wed 15/4

6:10 p.m.-3:15 p.m.

1 stop26h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

11:40 p.m.-7:00 p.m.

1 stop14h 20m

C$ 820

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 28/4

12:40 p.m.-4:55 p.m.

1 stop33h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

C$ 831

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Tue 12/5

7:05 a.m.-2:00 p.m.

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

9:30 p.m.-10:25 p.m.

1 stop19h 55m

C$ 835

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Fri 28/8

7:00 p.m.-11:35 a.m.

1 stop21h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

6:50 p.m.-10:55 p.m.

1 stop23h 05m

C$ 845

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Wed 3/6

7:20 p.m.-2:00 p.m.

1 stop23h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

9:30 p.m.-10:35 p.m.

1 stop20h 05m

C$ 853

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 8/5

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

11:00 a.m.-10:45 a.m.

1 stop18h 45m

C$ 886

LondonMontreal

SEN - YUL

SENYUL

London Southend

Fri 28/8

11:20 a.m.-11:35 a.m.

1 stop29h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

6:50 p.m.-10:30 a.m.

1 stop10h 40m

C$ 889

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Fri 8/5

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

2 stops17h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

11:00 p.m.-10:50 p.m.

2 stops18h 50m

C$ 899

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Fri 8/5

7:00 p.m.-11:35 a.m.

1 stop21h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

9:30 p.m.-2:40 p.m.

1 stop12h 10m

C$ 922

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sun 23/8

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

6:45 a.m.-10:45 a.m.

1 stop23h 00m

C$ 986

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13 March 2026.

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 71 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, September is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 529). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 717). 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 29 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

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 29 March 2026.

The most flights from LON to YUL are scheduled on a Sunday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 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 57% 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$ 733.

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 Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 11h 20m.

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 Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 55m.

How often are flights from London to Montreal delayed?

About 10% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 152 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 Monday 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 6% 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 29 March 2026.
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
7.7
Good
528 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Comfort

7.3

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
528 reviews
Air Transat
7.7
Good
528 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Comfort

7.3

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,856 reviews
Air Transat
7.7
Good
528 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Comfort

7.3

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
7,872 reviews
Air Transat
7.7
Good
528 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Comfort

7.3

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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 18h 50m. Air Transat provides one of the quickest options available for as low as C$ 1,042. Airlines will cover a distance of 5243 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$ 606 on this airline. Additional options worth looking into are British Airways and Lufthansa, starting at C$ 655 and C$ 687 round-trip. You may be able to fly from London to Montreal Pierre Elliott Trudeau Intl Airport for 33% 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$ 376. Users have also found prices from C$ 503 and C$ 547 on British Airways and Aer Lingus, 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 Stansted - 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: Aegean Airlines (96%), Air Canada (90%), Austrian Airlines (90%).

  • 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$ 503. On average you can expect to pay C$ 1,005. The most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 803.

  • 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, September is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 529). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 717). 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
Trois-Rivières
Dorval
Sherbrooke
Cornwall
Montebello
Brossard
Boucherville
Longueuil
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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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 29 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 606AverageC$ 1,024FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapestC$ 655AverageC$ 1,337FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 687AverageC$ 894FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 697AverageC$ 998FlexibilityNo 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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