London

$308+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to London (LON)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
Jul 6 — Jul 131
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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 Saturday or Thursday and return on a Tuesday

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 July 1, 2025.

Round-trip from

$531
(FlightHub)

One-way from

$308
(French Bee)

Popular in

December

Cheapest in

May

Average price

$789

Good round-trip deal

$541 or less

Good one-way deal

$321 or less
From Montreal Pierre Elliott Trudeau Intl to London (LON)
One-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON)
Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT 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 July 1, 2025.

This FlightHub deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:45 pmYUL - LGW
1 stop31h 05mTAP AIR PORTUGAL
Mon 11/1710:40 amLGW - YUL
1 stop14h 35mTAP AIR PORTUGAL
Deal found 6/29$531
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:05 pmYUL - LGW
Nonstop6h 45mAir Transat
Wed 10/1512:40 pmLGW - YUL
1 stop11h 40mAir Transat
Deal found 6/29$533
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:45 pmYUL - LHR
1 stop19h 55mTAP AIR PORTUGAL
Sat 11/227:55 pmLHR - YUL
1 stop29h 20mTAP AIR PORTUGAL
Deal found 6/30$534
This Porter Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:05 pmYUL - LGW
Nonstop6h 45mPorter Airlines
Wed 9/249:40 amLGW - YUL
1 stop12h 40mPorter Airlines
Deal found 6/30$536
This Air Canada deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:55 pmYUL - LHR
Nonstop6h 40mAir Canada
Fri 9/196:50 amLHR - YUL
1 stop9h 45mAir Canada
Deal found 6/30$543
This Lufthansa deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:55 pmYUL - LHR
Nonstop6h 40mLufthansa
Sat 9/209:30 amLHR - YUL
Nonstop7h 10mLufthansa
Deal found 6/30$554
This LATAM Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:30 pmYUL - LHR
1 stop12h 30mMultiple Airlines
Mon 9/1511:05 amLHR - YUL
1 stop29h 30mMultiple Airlines
Deal found 6/30$578
This Cheapflightsfares deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:00 pmYUL - LHR
Nonstop6h 40mBritish Airways
Sun 11/24:30 pmLHR - YUL
Nonstop7h 35mBritish Airways
Deal found 6/30$598
This SWISS deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/124:40 pmYUL - LCY
1 stop9h 55mSWISS
Fri 10/319:25 amLCY - YUL
1 stop10h 50mSWISS
Deal found 6/30$646
This oojo deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:45 pmYUL - LCY
1 stop15h 50mLufthansa
Tue 9/238:45 amLCY - YUL
1 stop32h 20mLufthansa
Deal found 6/29$669
This KLM deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:50 pmYUL - LCY
1 stop9h 40mKLM
Sun 10/58:45 pmLCY - YUL
1 stop25h 10mKLM
Deal found 7/1$695
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:50 pmYUL - LCY
1 stop9h 40mDelta
Mon 10/279:20 amLCY - YUL
2 stops17h 48mDelta
Deal found 6/30$723

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 1, 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

Sun 11/9

9:45 pm-9:50 am

1 stop31h 05m

London Gatwick

Mon 11/17

10:40 am-8:15 pm

1 stop14h 35m

$531

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 9/10

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

Wed 10/15

12:40 pm-7:20 pm

1 stop11h 40m

$533

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 9/15

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

Wed 9/24

9:40 am-5:20 pm

1 stop12h 40m

$536

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

9:55 pm-9:35 am

Nonstop6h 40m

London Heathrow

Fri 9/19

6:50 am-11:35 am

1 stop9h 45m

$543

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

9:55 pm-9:35 am

Nonstop6h 40m

London Heathrow

Sat 9/20

9:30 am-11:40 am

Nonstop7h 10m

$554

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

10:45 pm-10:55 pm

1 stop19h 10m

London Heathrow

Wed 10/1

6:00 am-8:45 pm

1 stop19h 45m

$559

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 9/8

4:30 pm-10:00 am

1 stop12h 30m

London Heathrow

Mon 9/15

11:05 am-11:35 am

1 stop29h 30m

$578

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 9/8

3:41 pm-10:40 am

2 stops13h 59m

London Heathrow

Tue 9/23

9:30 am-7:45 pm

2 stops15h 15m

$620

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 9/26

12:59 pm-6:40 am

1 stop12h 41m

London Heathrow

Sun 2/8

4:30 pm-7:05 pm

Nonstop7h 35m

$649

MontrealLondon

YUL - LCY

YULLCY

Montreal Pierre Elliott Trudeau Intl

Mon 9/8

9:45 pm-6:35 pm

1 stop15h 50m

London City

Tue 9/23

8:45 am-12:05 pm

1 stop32h 20m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 34 results
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The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to London flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to London trip
Airlines
Air Canada

Air Canada offers complimentary meals for all fare classes on international flights.


Preferred Seats offer up to four inches of extra space, bookable for a fee in any fare class.

Read more about Air Canadaby Jessica Macdonald
British Airways

BA's World Traveller Plus offers extra seat width and legroom, ideal for more comfort on long-haul flights.


BA's Club Suite offers solo pods with a door, providing privacy on long-haul flights.

Airports
YUL

Use YULExpress to pre-book security fast track, available up to 72 hours before departure, for a smoother experience.

Read more about YULby John Walton
LHR

Take the Heathrow Express to quickly reach central London from LHR, arriving at Paddington Station.

Read more about LHRby Ramsey Qubein
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
John Walton

John Walton

Expert on YUL

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 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 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 round-trip flight from Pierre Elliott Trudeau Intl to London. Price data was last updated on June 27, 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 57 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 Montreal Pierre Elliott Trudeau Intl Airport to London?

Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of $661). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in June is currently the most expensive (average of $1,098). 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 July 1, 2025.

It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to London at noon. Doing so could potentially save you 32% on the flight price compared to flying in the evening, which is usually more expensive.

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 July 1, 2025.

The most flights from YUL to LON are scheduled on a Tuesday (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 July 1, 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines, and KLM from Montreal Pierre Elliott Trudeau Intl Airport to London 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.
8.0
Very good

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to London round-trip from $531. Other airlines that can offer you cheap pricing are Air Transat, from $533, and Porter Airlines, from $536. Users have found that TAP AIR PORTUGAL is 24% 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?

    The cheapest airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to London are Lufthansa ($316), TAP AIR PORTUGAL ($317), and Porter Airlines ($319).

  • 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?

    No one likes to see their flight delayed. When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to London consider choosing American Airlines (90%), Aer Lingus (90%) or Finnair (90%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $2,168 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London. The cheapest flight overall is $441 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at $483.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of $661). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in June is currently the most expensive (average of $1,098). 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

Traveling 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
Hayes
Hounslow
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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Alternative routes for Pierre Elliott Trudeau Intl to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 6 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 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$498Average$544FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$527Average$703FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$558Average$749FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$589Average$769FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$632Average$740FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$690Average$856FlexibilityNo cancel feeOn-time71%

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