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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from £193

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
18 10月 — 25 10月1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in May or October, booked 80 days in advance, depart on a Sunday or Monday 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 18 9月 2025.

Round-trip from

£389

One-way from

£193

Popular in

December

Cheapest in

May

Average price

£482

Good round-trip deal

£458 or less

Good one-way deal

£534 or less
Air Transat
  • Air Transat
  • 7/11-13/11
  • 2 total stops
  • 26h 00m total
  • Montreal to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 15/10
  • 1 total stop
  • 19h 10m total
  • Montreal to London
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Highest demand for flights based on searches. 5% potential increase in price (£20 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in September 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

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 18 9月 2025.

週五 7/1114:30YUL - LGW
1 stop14h 15mAir Transat
週四 13/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 17/9£389
週日 12/1006:45YUL - LGW
1 stop23h 00mAir Transat
週五 31/1011:40LGW - YUL
1 stop16h 55mAir Transat
Deal found 16/9£390
週三 17/923:00YUL - LGW
1 stop14h 55mMultiple Airlines
週三 19/1107:55LGW - YUL
1 stop16h 45mMultiple Airlines
Deal found 16/9£391
週一 10/1110:35YUL - LGW
1 stop18h 10mAir Transat
週五 21/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 17/9£391
週六 11/1006:45YUL - LGW
1 stop23h 00mAir Transat
週五 31/1011:40LGW - YUL
1 stop14h 30mAir Transat
Deal found 15/9£392
週三 5/1110:35YUL - LGW
1 stop18h 10mPorter Airlines
週二 11/1111:40LGW - YUL
1 stop11h 45mPorter Airlines
Deal found 16/9£393
週日 30/1120:15YUL - STN
1 stop18h 10mMultiple Airlines
週六 6/1220:25STN - YUL
2 stops25h 30mMultiple Airlines
Deal found 17/9£395
週六 11/1022:05YUL - LGW
Nonstop6h 45mAir Transat
週三 29/1011:40LGW - YUL
1 stop16h 55mAir Transat
Deal found 15/9£395
週二 30/915:10YUL - LGW
1 stop14h 35mAir Transat
週四 9/1011:35LGW - YUL
Nonstop7h 40mAir Transat
Deal found 15/9£396
週二 4/1114:30YUL - LGW
1 stop14h 15mAir Transat
週三 12/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 16/9£397
週一 1/1220:15YUL - STN
1 stop17h 25mMultiple Airlines
週六 6/1220:25STN - YUL
2 stops25h 30mMultiple Airlines
Deal found 17/9£398
週六 4/1010:00YUL - LGW
1 stop19h 45mAir Transat
週五 10/1011:35LGW - YUL
Nonstop7h 40mAir Transat
Deal found 18/9£398

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 18 9月 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

週五 7/11

14:30-09:45

1 stop14h 15m

London Gatwick

週四 13/11

11:40-18:25

1 stop11h 45m

£389

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

週日 30/11

14:30-09:45

1 stop14h 15m

London Gatwick

週四 4/12

11:40-18:25

1 stop11h 45m

£402

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

週六 8/11

15:55-09:45

1 stop12h 50m

London Gatwick

週四 13/11

11:40-18:25

1 stop11h 45m

£402

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

週三 5/11

14:30-09:45

1 stop14h 15m

London Gatwick

週六 8/11

11:40-18:25

1 stop11h 45m

£402

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

週三 5/11

14:30-09:45

1 stop14h 15m

London Gatwick

週日 9/11

11:40-18:25

1 stop11h 45m

£402

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

週四 6/11

14:30-09:45

1 stop14h 15m

London Gatwick

週日 9/11

11:40-18:25

1 stop11h 45m

£402

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

週日 9/11

14:30-09:45

1 stop14h 15m

London Gatwick

週四 13/11

11:40-18:25

1 stop11h 45m

£402

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

週一 13/10

22:05-09:50

Nonstop6h 45m

London Gatwick

週三 22/10

12:40-21:17

1 stop13h 37m

£417

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

週六 4/10

20:15-07:50

2 stops30h 35m

London Stansted

週五 10/10

19:25-17:55

1 stop27h 30m

£432

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

週三 5/11

20:15-22:30

1 stop21h 15m

London Luton

週日 23/11

07:20-12:15

1 stop33h 55m

£444

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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 12 September 2025.

Booking 80 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, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of £112). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in August is currently the most expensive (average of £164). 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 18 9月 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 16% on flights from Montreal Pierre Elliott Trudeau Intl Airport to London by exploring options for tickets in the afternoon.

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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to London. 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 18 9月 2025.

The most flights from YUL to LON are scheduled on a Wednesday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

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.

Toronto (YYZ) – chosen by Cheapflights users on 50% 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.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £341.

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 18 9月 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
7.7
Good
439 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Food

6.7

Boarding

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.
Air Transat
7.7
Good
439 reviews
Air Transat
7.7
Good
439 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Food

6.7

Boarding

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.
Air Canada
7.1
Good
10,000 reviews
Air Transat
7.7
Good
439 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Food

6.7

Boarding

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.
British Airways
6.7
Okay
7,367 reviews
Air Transat
7.7
Good
439 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Food

6.7

Boarding

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.

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 6h 40m. Fly via Air Transat, British Airways, or United Airlines 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 £379, 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 £392 and £414, 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 City or Montreal Pierre Elliott Trudeau Intl - London Gatwick 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: American Airlines (69%), Aer Lingus (69%), Finnair( 69%).

  • 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 £768, our data shows the cheapest flight currently is £401. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), you can expect to pay £353 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, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of £112). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in August is currently the most expensive (average of £164). 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 3 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 3 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 18 9月 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£379Average£558FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£392Average£489FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£414Average£717FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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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Of course! You can now track prices for flights from Pierre Elliott Trudeau Intl to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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