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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from £223

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
30 nov — 7 dic1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in May or October, booked 85 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to London (LON). 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 31 ottobre 2025.

Round-trip from

£419

One-way from

£223

Popular in

December

Cheapest in

May

Average price

£479

Good round-trip deal

£499 or less

Good one-way deal

£233 or less
Porter Airlines
  • Porter Airlines
  • 24/11-26/11
  • 2 total stops
  • 33h 50m total
  • Montreal to London
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16/11
  • 16/11
  • 1 total stop
  • 11h 45m total
  • Montreal to London
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Highest demand for flights based on searches. 6% potential increase in price (£26 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
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Find flight deals from Pierre Elliott Trudeau Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 ottobre 2025.

lun 24/1110:35YUL - LGW
1 stop18h 10mPorter Airlines
mar 9/1211:40LGW - YUL
1 stop11h 45mPorter Airlines
Deal found 30/10£419
ven 5/1221:45YUL - LHR
1 stop14h 45mTAP AIR PORTUGAL
dom 14/1216:30LHR - YUL
1 stop32h 45mTAP AIR PORTUGAL
Deal found 30/10£423
dom 23/1121:45YUL - LGW
2 stops17h 50mTAP AIR PORTUGAL
mer 3/1210:40LGW - YUL
1 stop14h 35mTAP AIR PORTUGAL
Deal found 29/10£424
lun 24/1117:25YUL - LGW
1 stop11h 20mPorter Airlines
lun 8/1211:40LGW - YUL
1 stop15h 45mPorter Airlines
Deal found 30/10£425
gio 13/1113:15YUL - LHR
1 stop26h 20mAir Canada
mer 19/1109:00LHR - YUL
1 stop11h 10mAir Canada
Deal found 29/10£426
mer 26/1121:45YUL - STN
1 stop15h 25mMultiple Airlines
mer 3/1206:30STN - YUL
1 stop18h 45mMultiple Airlines
Deal found 30/10£427
gio 27/1113:15YUL - LHR
1 stop26h 20mMultiple Airlines
mar 2/1218:40LHR - YUL
1 stop25h 30mMultiple Airlines
Deal found 30/10£427
mer 19/1114:30YUL - LGW
1 stop14h 15mPorter Airlines
lun 24/1111:40LGW - YUL
1 stop15h 40mPorter Airlines
Deal found 29/10£428
lun 1/1206:45YUL - LGW
1 stop22h 00mPorter Airlines
mer 3/1211:40LGW - YUL
1 stop11h 45mPorter Airlines
Deal found 28/10£429
mer 26/1120:10YUL - LTN
1 stop13h 50mMultiple Airlines
mer 3/1214:40LTN - YUL
1 stop27h 00mMultiple Airlines
Deal found 29/10£429
mar 25/1117:25YUL - LGW
1 stop11h 20mPorter Airlines
mer 3/1211:40LGW - YUL
1 stop11h 45mPorter Airlines
Deal found 30/10£430
ven 28/1114:30YUL - LGW
1 stop14h 15mAir Transat
sab 6/1211:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 29/10£430

Cheapflights Fare Finder

 
Customise your flight search to find flights from Pierre Elliott Trudeau Intl to London 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 858,174 searches. Data last updated 31 ottobre 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

London

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

mar 3/3

10:15-09:45

1 stop18h 30m

London Gatwick

mer 11/3

11:40-20:55

1 stop13h 15m

£419

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun 24/11

10:35-09:45

1 stop18h 10m

London Gatwick

mar 9/12

11:40-18:25

1 stop11h 45m

£419

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

mar 3/3

10:15-09:45

1 stop18h 30m

London Gatwick

mar 10/3

11:40-16:55

1 stop33h 15m

£419

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

mer 19/11

14:30-09:45

1 stop14h 15m

London Gatwick

lun 24/11

11:40-22:20

1 stop15h 40m

£428

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun 2/3

10:15-09:45

1 stop18h 30m

London Gatwick

mer 11/3

11:40-00:35

1 stop16h 55m

£430

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

ven 30/1

17:25-09:45

1 stop11h 20m

London Gatwick

dom 15/3

11:40-09:20

1 stop25h 40m

£431

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun 12/1

14:30-09:45

1 stop14h 15m

London Gatwick

dom 18/1

11:40-00:35

1 stop17h 55m

£434

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun 1/12

17:25-09:45

1 stop11h 20m

London Gatwick

dom 7/12

11:40-18:25

1 stop11h 45m

£434

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

mer 3/12

14:30-09:45

1 stop14h 15m

London Gatwick

ven 5/12

11:40-18:25

1 stop11h 45m

£434

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

gio 8/1

20:10-21:50

1 stop20h 40m

London Luton

mer 14/1

14:40-12:40

1 stop27h 00m

£435

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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

Have a flexible travel schedule? Discover the best time to fly to London from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated return 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 Montreal Pierre Elliott Trudeau Intl Airport to London

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

Use this chart to determine the optimal time to book a return flight from Pierre Elliott Trudeau Intl to London. Price data was last updated on 24 October 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of £261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of £489). 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 YUL to LON?

Find hourly flight availability from Pierre Elliott Trudeau Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 ottobre 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 31% on flights from Montreal Pierre Elliott Trudeau Intl Airport to London by exploring options for tickets in the afternoon.

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

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

Halifax (YHZ) – chosen by Cheapflights users on 43% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London on Cheapflights.

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

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

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £592.

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

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

Flights via Paris (CDG) have the shortest average one-way travel time for one-stop routes: 9h 40m.

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

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

Flights via Paris (CDG) offer the fastest connection on this route, with an average stopover time of 1h 43m.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 31 ottobre 2025.
Get a feel of what it's like to fly with Air Transat, Air Canada, andBritish Airways from Montreal Pierre Elliott Trudeau Intl Airport to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
469 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Crew

8.5

Overall

7.8

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
469 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Crew

8.5

Overall

7.8

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
10,382 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Crew

8.5

Overall

7.8

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
7,488 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Crew

8.5

Overall

7.8

Boarding

7.9

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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 Pierre Elliott Trudeau Intl to London. 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 Montreal Pierre Elliott Trudeau Intl Airport to London?

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to London in 7h. Fly via Porter Airlines, Lufthansa, or SWISS to get the fastest option. The distance between Montreal Pierre Elliott Trudeau Intl Airport and London is about 3239 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £393, Air Transat will fly you from Montreal Pierre Elliott Trudeau Intl Airport to London and back. In addition to Air Transat, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and British Airways - these airlines can fly you to your destination from £406 and £418, respectively. Users have found that Air Transat is 26% cheaper than the other options available to this destination.

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

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

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

    Before booking your flight to London from Montreal Pierre Elliott Trudeau Intl Airport, check out the most reliable airlines to get you to your destination on time: Aegean Airlines (77%), Thai Airways (77%), Air Canada( 72%).

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

    While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to London is generally £932, our data shows the cheapest flight currently is £402. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), you can expect to pay £381 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London 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 Montreal Pierre Elliott Trudeau Intl Airport to London?

    Currently, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of £261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of £489). 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

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Top 4 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 4 airlines that operate flights from Pierre Elliott Trudeau Intl to London. 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 858,174 searches. Data last updated 31 ottobre 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£393Average£578FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£406Average£506FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£418Average£784FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£557Average£615FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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Millions of users choose and trust Cheapflights to book the best flight deals from Pierre Elliott Trudeau Intl to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to London from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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