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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 430

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in October or September, booked 80 days in advance, depart on a Sunday or Friday 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 25 March 2025.

Round-trip from

C$ 807

One-way from

C$ 430

Popular in

December

Cheapest in

October

Average price

C$ 990

Good round-trip deal

C$ 777 or less

Good one-way deal

C$ 573 or less
Air Transat
  • Air Transat
  • 10/5-18/5
  • 1 total stop
  • 22h 15m total
  • Montreal to London
WestJet
  • WestJet
  • 2/6
  • 2 total stops
  • 21h 40m total
  • Montreal to London
Highest demand for flights based on searches. 3% potential increase in price (C$ 54 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
Average for round-trip flights in March 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 25 March 2025.

Sat 10/53:10 p.m.YUL - LGW
1 stop14h 35mAir Transat
Sun 18/511:35 a.m.LGW - YUL
Nonstop7h 40mAir Transat
Deal found 23/3C$ 807
Tue 3/66:00 p.m.YUL - LGW
1 stop11h 45mPorter Airlines
Wed 11/611:35 a.m.LGW - YUL
Nonstop7h 40mPorter Airlines
Deal found 23/3C$ 808
Sat 3/53:30 p.m.YUL - LHR
1 stop10h 05mMultiple Airlines
Fri 9/58:40 a.m.LHR - YUL
1 stop11h 20mMultiple Airlines
Deal found 24/3C$ 808
Thu 8/51:00 p.m.YUL - LHR
1 stop12h 30mAir Canada
Sun 11/58:45 a.m.LHR - YUL
1 stop11h 15mAir Canada
Deal found 24/3C$ 815
Mon 9/69:55 p.m.YUL - LHR
1 stop18h 05mLufthansa
Sat 14/67:25 a.m.LHR - YUL
1 stop18h 35mLufthansa
Deal found 24/3C$ 827
Sun 4/511:00 p.m.YUL - LGW
1 stop27h 00mMultiple Airlines
Thu 8/57:40 p.m.LGW - YUL
1 stop30h 20mMultiple Airlines
Deal found 24/3C$ 841
Thu 8/54:40 p.m.YUL - LGW
1 stop20h 10mSWISS
Fri 16/56:40 p.m.LGW - YUL
1 stop25h 20mSWISS
Deal found 24/3C$ 842
Thu 5/610:05 p.m.YUL - LHR
Nonstop6h 40mAmerican Airlines
Tue 1/76:05 p.m.LHR - YUL
Nonstop7h 10mAmerican Airlines
Deal found 24/3C$ 847
Fri 23/54:40 p.m.YUL - LHR
1 stop21h 40mSWISS
Wed 4/66:00 a.m.LHR - YUL
1 stop14h 00mSWISS
Deal found 23/3C$ 848
Mon 5/510:10 p.m.YUL - LHR
Nonstop6h 40mBritish Airways
Mon 12/56:05 p.m.LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 24/3C$ 852
Tue 10/66:50 p.m.YUL - LTN
1 stop14h 40mMultiple Airlines
Wed 18/66:05 a.m.LTN - YUL
1 stop12h 55mMultiple Airlines
Deal found 25/3C$ 860
Fri 9/57:29 a.m.YUL - LGW
2 stops22h 11mFinnair
Fri 16/512:20 p.m.LGW - YUL
2 stops30h 24mFinnair
Deal found 24/3C$ 865

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 629,999 searches. Data last updated 25 March 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

Sat 10/5

3:10 p.m.-10:45 a.m.

1 stop14h 35m

London Gatwick

Sun 18/5

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

Nonstop7h 40m

C$ 807

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Sun 1/6

9:40 a.m.-5:20 p.m.

1 stop12h 40m

C$ 808

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

3:30 p.m.-6:35 a.m.

1 stop10h 05m

London Heathrow

Fri 9/5

8:40 a.m.-3:00 p.m.

1 stop11h 20m

C$ 808

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

10:25 p.m.-10:00 a.m.

Nonstop6h 35m

London Heathrow

Sun 11/5

8:45 a.m.-3:00 p.m.

1 stop11h 15m

C$ 815

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

10:05 p.m.-9:45 a.m.

Nonstop6h 40m

London Heathrow

Sun 1/6

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 817

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 9/6

9:55 p.m.-9:00 p.m.

1 stop18h 05m

London Heathrow

Sat 14/6

7:25 a.m.-9:00 p.m.

1 stop18h 35m

C$ 827

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

11:00 p.m.-7:00 a.m.

1 stop27h 00m

London Gatwick

Thu 8/5

7:40 p.m.-9:00 p.m.

1 stop30h 20m

C$ 841

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

4:40 p.m.-5:50 p.m.

1 stop20h 10m

London Gatwick

Fri 16/5

6:40 p.m.-3:00 p.m.

1 stop25h 20m

C$ 842

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 5/6

10:05 p.m.-9:45 a.m.

Nonstop6h 40m

London Heathrow

Tue 1/7

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 847

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 23/5

4:40 p.m.-7:20 p.m.

1 stop21h 40m

London Heathrow

Wed 4/6

6:00 a.m.-3:00 p.m.

1 stop14h 00m

C$ 848

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 59 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 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 21 March 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 80 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, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 560). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of C$ 874). 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 25 March 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 37% on flights from Montreal Pierre Elliott Trudeau Intl Airport to London by exploring options for tickets at noon.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to London?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to London. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to London flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 25 March 2025.

The most flights from YUL to LON are scheduled on a Friday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 25 March 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Montreal to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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.

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

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?

    Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London is Air Transat. Our recent data shows that you can find tickets from as low as C$ 807 on this airline. Additional options worth looking into are Porter Airlines and Air Canada, starting at C$ 808 and C$ 815 round-trip. These flights start at 21% lower than the current average price 3 months from now.

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

    C$ 430 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on TAP AIR PORTUGAL and Air Transat, with prices starting from C$ 438 and C$ 486, 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?

    Consider Aegean Airlines (64%), American Airlines (62%) or Aer Lingus (62%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

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

    Looking at all options, your cheapest flight can be booked for C$ 842. While the most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow) can be booked for C$ 815 on average our data indicates C$ 2,713 when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

  • 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, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 560). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of C$ 874). 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
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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Fly from Pierre Elliott Trudeau Intl to London on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to London. Flights are based on user searches made on Cheapflights and were last updated on 25 March 2025.

Top 10 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 10 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 629,999 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestC$ 589AverageC$ 1,045FlexibilityNo cancel feeOn-time76%
Search Finnair flights
TAP AIR PORTUGALCheapestC$ 626AverageC$ 694FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air FranceCheapestC$ 632AverageC$ 930FlexibilityNo cancel feeOn-time77%
Search Air France flights
Porter AirlinesCheapestC$ 712AverageC$ 800FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 730AverageC$ 1,035FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 773AverageC$ 1,044FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapestC$ 797AverageC$ 893FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 839AverageC$ 1,065FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 840AverageC$ 1,077FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapestC$ 1,012AverageC$ 1,190FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to London?

When you search for this flight from Pierre Elliott Trudeau Intl to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to London from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to London, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

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