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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from £203

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
14 Jul — 21 Jul1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in May or October, booked 57 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 9 July 2025.

Round-trip from

£396

One-way from

£203

Popular in

December

Cheapest in

May

Average price

£580

Good round-trip deal

£476 or less

Good one-way deal

£221 or less
Air Transat
  • Air Transat
  • 1/10-12/10
  • 2 total stops
  • 33h 22m total
  • Montreal to London
21/7
  • 21/7
  • 1 total stop
  • 10h 15m total
  • Montreal to London
Highest demand for flights based on searches. 5% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).

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 9 July 2025.

Wed 1/1010:00YUL - LGW
1 stop19h 45mAir Transat
Sun 12/1012:40LGW - YUL
1 stop13h 37mAir Transat
Deal found 8/7£396
Tue 2/921:55YUL - LHR
Nonstop6h 40mAir Canada
Sun 14/909:30LHR - YUL
Nonstop7h 10mAir Canada
Deal found 7/7£396
Tue 23/915:10YUL - LGW
1 stop11h 45mPorter Airlines
Wed 8/1012:40LGW - YUL
1 stop16h 57mPorter Airlines
Deal found 7/7£399
Wed 1/1021:55YUL - LHR
Nonstop6h 40mMultiple Airlines
Sun 5/1006:50LHR - YUL
1 stop9h 45mMultiple Airlines
Deal found 8/7£401
Sun 14/921:55YUL - LHR
Nonstop6h 40mLufthansa
Mon 22/909:30LHR - YUL
Nonstop7h 10mLufthansa
Deal found 8/7£407
Sat 16/813:10YUL - LGW
1 stop12h 10mMultiple Airlines
Tue 2/911:35LGW - YUL
Nonstop7h 40mMultiple Airlines
Deal found 8/7£420
Thu 25/922:05YUL - LHR
Nonstop6h 40mBritish Airways
Sat 25/1018:05LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 8/7£429
Thu 4/918:50YUL - SEN
1 stop15h 55mMultiple Airlines
Thu 11/917:40SEN - YUL
1 stop22h 55mMultiple Airlines
Deal found 8/7£436
Mon 29/919:10YUL - LTN
1 stop13h 00mMultiple Airlines
Mon 6/1018:05LTN - YUL
1 stop21h 35mMultiple Airlines
Deal found 7/7£449
Sun 12/1016:40YUL - LCY
1 stop9h 55mSWISS
Fri 31/1009:25LCY - YUL
1 stop10h 50mSWISS
Deal found 8/7£475
Wed 1/1023:40YUL - STN
1 stop18h 05mMultiple Airlines
Mon 6/1006:05STN - YUL
1 stop15h 00mMultiple Airlines
Deal found 8/7£480
Sun 19/1016:40YUL - LCY
1 stop9h 55mMultiple Airlines
Thu 23/1008:45LCY - YUL
1 stop12h 15mMultiple Airlines
Deal found 8/7£494

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 9 July 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

Wed 1/10

10:00-10:45

1 stop19h 45m

London Gatwick

Sun 12/10

12:40-21:17

1 stop13h 37m

£396

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

21:55-09:35

Nonstop6h 40m

London Heathrow

Sun 14/9

09:30-11:40

Nonstop7h 10m

£396

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

15:10-07:55

1 stop11h 45m

London Gatwick

Wed 8/10

12:40-00:37

1 stop16h 57m

£399

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

21:55-09:35

Nonstop6h 40m

London Heathrow

Sun 5/10

06:50-11:35

1 stop9h 45m

£401

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

21:55-09:35

Nonstop6h 40m

London Heathrow

Mon 22/9

09:30-11:40

Nonstop7h 10m

£407

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 5/1

21:45-21:35

1 stop18h 50m

London Heathrow

Wed 14/1

08:15-20:15

1 stop17h 00m

£418

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 16/8

13:10-06:20

1 stop12h 10m

London Gatwick

Tue 2/9

11:35-14:15

Nonstop7h 40m

£420

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

22:05-09:45

Nonstop6h 40m

London Heathrow

Sat 25/10

18:05-20:15

Nonstop7h 10m

£429

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

18:50-15:45

1 stop15h 55m

London Southend

Thu 11/9

17:40-11:35

1 stop22h 55m

£436

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

19:10-13:10

1 stop13h 00m

London Luton

Mon 6/10

18:05-10:40

1 stop21h 35m

£449

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 31 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 27 June 2025.

Booking 57 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 9 July 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 15% 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 9 July 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).

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 9 July 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta, andKLM 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.

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.7

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.7

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
8.0
Very Good

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.7

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.7

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.7

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.7

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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

    Currently priced at £396, 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 Lufthansa - these airlines can fly you to your destination from £396 and £407, respectively. Users have found that Air Transat is 23% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Air Transat. According to our data, you can fly for as low as £204. Users have also found prices from £205 and £218 on TAP AIR PORTUGAL and Porter Airlines, respectively.

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

  • 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: Austrian Airlines (88%), United Airlines (88%), Lufthansa( 88%).

  • 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 £782, our data shows the cheapest flight currently is £321. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), you can expect to pay £355 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

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
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Maidstone
Guildford
Chichester

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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 9 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£381Average£579FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£399Average£501FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£408Average£654FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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.

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

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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