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Cheap flights from London to Montreal Pierre Elliott Trudeau Intl Airport from C$ 550

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YUL
6 Aug — 13 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Montreal Pierre Elliott Trudeau Intl are usually found in September or November, booked 35 days in advance, depart on a Sunday or Wednesday and return on a Saturday

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 7 July 2026.

Mon 24/89:40 a.m.
LGW
-
YUL
1 stop12h 22m
Air Transat
Tue 1/98:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Deal found 3/7C$ 790
Thu 10/910:10 a.m.
SEN
-
YUL
1 stop30h 25m
Multiple Airlines
Sun 27/96:50 p.m.
YUL
-
SEN
1 stop10h 40m
Multiple Airlines
Deal found 4/7C$ 790
Tue 6/106:50 a.m.
LHR
-
YUL
2 stops13h 31m
Air Canada
Wed 21/106:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Deal found 6/7C$ 790
Mon 5/108:00 a.m.
LCY
-
YUL
1 stop12h 00m
SWISS
Thu 12/114:40 p.m.
YUL
-
LCY
1 stop19h 25m
SWISS
Deal found 3/7C$ 792
Wed 16/97:20 p.m.
LTN
-
YUL
1 stop21h 15m
Multiple Airlines
Wed 30/96:50 p.m.
YUL
-
LTN
1 stop22h 45m
Multiple Airlines
Deal found 5/7C$ 792
Tue 25/85:50 p.m.
LHR
-
YUL
1 stop22h 10m
Air Canada
Thu 3/910:00 p.m.
YUL
-
LHR
1 stop18h 00m
Air Canada
Deal found 2/7C$ 792
Mon 5/108:00 a.m.
LCY
-
YUL
1 stop12h 00m
SWISS
Mon 19/104:40 p.m.
YUL
-
LCY
1 stop11h 00m
SWISS
Deal found 6/7C$ 793
Fri 28/86:00 a.m.
LHR
-
YUL
1 stop14h 00m
Air Canada
Mon 31/810:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Deal found 6/7C$ 793
Thu 27/810:25 a.m.
LGW
-
YUL
1 stop13h 00m
KLM
Mon 31/87:00 p.m.
YUL
-
LGW
1 stop9h 40m
KLM
Deal found 5/7C$ 795
Fri 4/96:05 a.m.
LTN
-
YUL
1 stop14h 40m
Multiple Airlines
Wed 9/99:35 p.m.
YUL
-
LTN
1 stop16h 50m
Multiple Airlines
Deal found 5/7C$ 795
Tue 25/85:50 p.m.
LHR
-
YUL
1 stop22h 10m
Air Canada
Thu 10/910:40 a.m.
YUL
-
LHR
1 stop14h 50m
Air Canada
Deal found 7/7C$ 795
Thu 9/710:25 a.m.
LGW
-
YUL
1 stop14h 40m
Delta
Thu 16/710:20 p.m.
YUL
-
LGW
1 stop12h 40m
Delta
Deal found 2/7C$ 796

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 7 July 2026.

Round-trip from

C$ 790

One-way from

C$ 550

Popular in

December

Cheapest in

September

Average price

C$ 1,100

Good round-trip deal

C$ 951 or less

Good one-way deal

C$ 567 or less
Air Transat
  • Air Transat
  • 24/8-1/9
  • 2 total stops
  • 42h 42m total
  • London to Montreal
Search Deals
Air Transat
  • Air Transat
  • 20/9
  • 1 total stop
  • 16h 57m total
  • London to Montreal
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 7 July 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 16/9

7:20 p.m.-11:35 a.m.

1 stop21h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

6:50 p.m.-10:35 p.m.

1 stop22h 45m

C$ 792

LondonMontreal

LCY - YUL

LCYYUL

London City

Mon 5/10

8:00 a.m.-3:00 p.m.

1 stop12h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

4:40 p.m.-12:35 p.m.

2 stops14h 55m

C$ 809

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Mon 14/9

1:15 p.m.-10:40 a.m.

1 stop26h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

7:25 p.m.-11:45 a.m.

1 stop11h 20m

C$ 824

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 21/10

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

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

6:45 a.m.-9:45 a.m.

1 stop22h 00m

C$ 826

LondonMontreal

LCY - YUL

LCYYUL

London City

Tue 6/10

10:00 a.m.-4:55 p.m.

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

6:50 p.m.-8:50 a.m.

1 stop9h 00m

C$ 827

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Sat 7/11

5:15 p.m.-12:40 p.m.

1 stop24h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

8:10 p.m.-4:55 p.m.

1 stop15h 45m

C$ 827

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Wed 26/8

6:10 p.m.-4:05 p.m.

1 stop26h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

11:40 p.m.-6:10 p.m.

1 stop13h 30m

C$ 829

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 24/10

9:40 a.m.-5:02 p.m.

1 stop12h 22m

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

5:25 p.m.-9:45 a.m.

1 stop12h 20m

C$ 837

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 22/8

6:50 a.m.-5:24 p.m.

2 stops15h 34m

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

2:20 p.m.-9:20 a.m.

2 stops14h 00m

C$ 847

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Fri 11/9

6:05 a.m.-2:00 p.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

6:50 p.m.-10:15 p.m.

1 stop22h 25m

C$ 851

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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

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

Currently, April is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 108). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in August is currently the most expensive (average of C$ 1,180). 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 7 July 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 7 July 2026.

The most flights from LON to YUL are scheduled on a Friday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

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

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?

Saturday tends to have the lowest number of delays on this route, whereas Wednesday 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.

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

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 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 7 July 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
7.8
Good
563 reviews
Check prices

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Boarding

8.0

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
563 reviews
Air Transat
7.8
Good
563 reviews
Check prices

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Boarding

8.0

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
11,314 reviews
Air Transat
7.8
Good
563 reviews
Check prices

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Boarding

8.0

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
8,122 reviews
Air Transat
7.8
Good
563 reviews
Check prices

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Boarding

8.0

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 7h 40m. SWISS provides one of the quickest options available for as low as C$ 826. 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 British Airways. Our recent data shows that you can find tickets from as low as C$ 671 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at C$ 729 and C$ 777 round-trip. You may be able to fly from London to Montreal Pierre Elliott Trudeau Intl Airport for 32% 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$ 385. Users have also found prices from C$ 514 and C$ 560 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 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 (91%), United Airlines (91%), Lufthansa (91%).

  • 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$ 494. On average you can expect to pay C$ 1,496. The most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 719.

  • 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, April is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 108). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in August is currently the most expensive (average of C$ 1,180). 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
Dorval
Trois-Rivières
Laval
Brossard
Cornwall
Longueuil
Sherbrooke
Montebello
Magog
Boucherville
Bromont
Saint-Jean-sur-Richelieu
Drummondville
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from London to Pierre Elliott Trudeau Intl

Discover the top 3 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 7 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 671AverageC$ 1,476FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 727AverageC$ 1,067FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 777AverageC$ 919FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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