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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from C$ 445

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in October or September, booked 46 days in advance, depart on a Friday or Sunday and return on a Saturday

Cheap flight deals from Pierre Elliott Trudeau Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Heathrow (LHR). 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 11 April 2025.

Round-trip from

C$ 754

One-way from

C$ 445

Popular in

December

Cheapest in

October

Average price

C$ 1,018

Good round-trip deal

C$ 949 or less

Good one-way deal

C$ 968 or less
Air Canada
  • Air Canada
  • 20/5-10/6
  • 1 total stop
  • 40h 20m total
  • Montreal to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 24/9
  • 1 total stop
  • 14h 00m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.
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Find flight deals from Pierre Elliott Trudeau Intl to Heathrow

Cheapest flights from Pierre Elliott Trudeau Intl to Heathrow
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2025.

Tue 20/510:25 p.m.YUL - LHR
Nonstop6h 35mAir Canada
Tue 10/69:05 a.m.LHR - YUL
1 stop33h 45mAir Canada
Deal found 10/4C$ 754
Sat 10/510:25 p.m.YUL - LHR
Nonstop6h 35mLufthansa
Wed 14/59:00 a.m.LHR - YUL
1 stop17h 00mLufthansa
Deal found 10/4C$ 755
Thu 8/510:05 p.m.YUL - LHR
Nonstop6h 40mBritish Airways
Thu 15/56:05 p.m.LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 10/4C$ 760
Tue 29/410:20 p.m.YUL - LHR
Nonstop6h 40mMultiple Airlines
Mon 5/59:30 a.m.LHR - YUL
1 stop11h 30mMultiple Airlines
Deal found 10/4C$ 783
Tue 22/410:10 p.m.YUL - LHR
Nonstop6h 40mAmerican Airlines
Thu 1/56:05 p.m.LHR - YUL
Nonstop7h 10mAmerican Airlines
Deal found 10/4C$ 799
Tue 13/57:00 p.m.YUL - LHR
1 stop18h 35mVirgin Atlantic
Wed 21/511:45 a.m.LHR - YUL
1 stop10h 10mVirgin Atlantic
Deal found 10/4C$ 880
Tue 10/66:50 p.m.YUL - LHR
1 stop16h 25mKLM
Sat 14/66:30 a.m.LHR - YUL
1 stop15h 25mKLM
Deal found 10/4C$ 886
Sat 19/412:50 p.m.YUL - LHR
1 stop15h 05mDelta
Thu 24/46:30 a.m.LHR - YUL
1 stop15h 25mDelta
Deal found 10/4C$ 920
Fri 9/56:00 p.m.YUL - LHR
1 stop12h 25mUnited Airlines
Wed 14/59:30 a.m.LHR - YUL
2 stops26h 45mUnited Airlines
Deal found 10/4C$ 979

Cheapflights Fare Finder

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Heathrow 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 11 April 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Heathrow

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

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

Nonstop6h 35m

London Heathrow

Sat 17/5

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

1 stop17h 00m

C$ 750

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

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

Nonstop6h 35m

London Heathrow

Tue 10/6

9:05 a.m.-1:50 p.m.

1 stop33h 45m

C$ 754

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

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

Nonstop6h 35m

London Heathrow

Wed 14/5

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

1 stop17h 00m

C$ 755

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

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

Nonstop6h 40m

London Heathrow

Thu 15/5

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

Nonstop7h 10m

C$ 760

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 22/4

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

Nonstop6h 40m

London Heathrow

Thu 1/5

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

Nonstop7h 10m

C$ 799

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

7:00 p.m.-6:35 p.m.

1 stop18h 35m

London Heathrow

Wed 21/5

11:45 a.m.-4:55 p.m.

1 stop10h 10m

C$ 880

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 10/6

6:50 p.m.-4:15 p.m.

1 stop16h 25m

London Heathrow

Wed 18/6

9:55 a.m.-4:55 p.m.

1 stop12h 00m

C$ 887

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 23/4

6:50 p.m.-10:45 a.m.

1 stop10h 55m

London Heathrow

Sat 3/5

6:30 a.m.-4:55 p.m.

1 stop15h 25m

C$ 922

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

11:00 p.m.-2:15 p.m.

1 stop10h 15m

C$ 455

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 12/6

10:45 p.m.-6:50 p.m.

1 stop15h 05m

C$ 512

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 21 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Heathrow. Price data was last updated on 4 April 2025.

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of C$ 560). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport 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 LHR?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 April 2025.

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the evening.

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

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

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight should consider departing on Sunday mornings 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 Heathrow Airport

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Heathrow. 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 11 April 2025.

The most flights from YUL to LHR are scheduled on a Wednesday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 11 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Montreal 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.
Delta
8.0
Very good
7,910 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

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.
Delta
8.0
Very good
7,910 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

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.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

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.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

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.
Azores Airlines
7.5
Good
64 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

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.
SWISS
7.5
Good
1,575 reviews
Delta
8.0
Very good
7,910 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

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 Heathrow. 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 Heathrow Airport round-trip?

    Currently priced at C$ 754, Air Canada will fly you from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and British Airways - these airlines can fly you to your destination from C$ 755 and C$ 760, respectively. Air Canada is currently priced 28% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as C$ 445 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Aer Lingus from C$ 532 and Azores Airlines from C$ 595 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on time: Thai Airways (100%), Air Canada (81%), Austrian Airlines (81%).

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

    Looking for the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport? While on average our users pay C$ 1,823, our data indicates the cheapest price to be C$ 649. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow), is priced around C$ 723.

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

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

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

    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 Heathrow.

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

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

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of C$ 560). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport 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 Heathrow on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 11 April 2025.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to London Heathrow
British Airways flights from Montreal Pierre Elliott Trudeau Intl to London Heathrow
Lufthansa flights from Montreal Pierre Elliott Trudeau Intl to London Heathrow

Top 9 airlines flying from Pierre Elliott Trudeau Intl to Heathrow

Discover the top 9 airlines that operate flights from Pierre Elliott Trudeau Intl to Heathrow. 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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestC$ 577AverageC$ 1,024FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapestC$ 619AverageC$ 912FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapestC$ 629AverageC$ 691FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 736AverageC$ 1,018FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Virgin AtlanticCheapestC$ 781AverageC$ 875FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapestC$ 791AverageC$ 1,024FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 821AverageC$ 1,044FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 821AverageC$ 1,090FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapestC$ 965AverageC$ 1,166FlexibilityNo 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 Heathrow?

Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Heathrow from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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