What’s the cheapest stopover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £344.

What’s the fastest stopover option from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Flights via Lisbon (LIS) have the shortest average one-way travel time for one-stop routes: 16h 10m.

Which airport typically offers the quickest stopover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Flights via Lisbon (LIS) offer the fastest connection on this route, with an average stopover time of 6h 28m.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches 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.

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).

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

Consider American Airlines (70%), Aer Lingus (70%) or Finnair (70%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.

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

Leaving on a Saturday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 36% on the overall cost on flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.

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

Our data shows that May tends to be the cheapest month to fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport. Users have commonly found prices around £517 for the month, but tickets can be as low as £360. Due to multiple factors, prepare for potentially higher prices in December.

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.

£194+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

Q: What’s the top stopover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Halifax (YHZ) – chosen by Cheapflights users on 75% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on Cheapflights.

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

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

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

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

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in October or May, booked 69 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Heathrow

Round-trip from	£396
One-way from	£194
Popular in	December
Cheapest in	October
Average price	£519
Good round-trip deal	£456 or less
Good one-way deal	£537 or less

TAP AIR PORTUGAL
23/11-4/12
2 total stops
47h 30m total
Montreal to London

Search Deals

TAP AIR PORTUGAL
15/10
1 total stop
14h 00m total
Montreal to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.

Search Deals

Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.

Search Deals

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 12 September 2025.

Tue 16/918:55YUL - LHR

Nonstop6h 35mAir Canada

Sun 21/906:50LHR - YUL

1 stop9h 45mAir Canada

Deal found 11/9£396

Sun 23/1121:45YUL - LHR

1 stop18h 50mTAP AIR PORTUGAL

Tue 9/1218:30LHR - YUL

1 stop30h 45mTAP AIR PORTUGAL

Deal found 10/9£397

Sun 26/1021:45YUL - LHR

1 stop18h 50mAir Canada

Sun 2/1105:50LHR - YUL

1 stop9h 55mAir Canada

Deal found 11/9£399

Mon 15/921:55YUL - LHR

Nonstop6h 40mMultiple Airlines

Mon 22/918:40LHR - YUL

1 stop25h 20mMultiple Airlines

Deal found 11/9£404

Wed 17/921:55YUL - LHR

Nonstop6h 40mAir Canada

Fri 26/909:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 10/9£406

Tue 16/921:55YUL - LHR

Nonstop6h 40mAir Canada

Thu 25/909:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 11/9£407

Mon 22/919:30YUL - LHR

1 stop20h 30mMultiple Airlines

Wed 8/1006:00LHR - YUL

1 stop12h 50mMultiple Airlines

Deal found 10/9£408

Wed 1/1013:05YUL - LHR

1 stop14h 30mMultiple Airlines

Wed 22/1006:00LHR - YUL

1 stop14h 00mMultiple Airlines

Deal found 10/9£408

Best flights from Pierre Elliott Trudeau Intl to Heathrow
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2025.

Tue 30/921:55YUL - LHR

Nonstop6h 40mLufthansa

Mon 1/1208:45LHR - YUL

1 stop14h 35mLufthansa

Deal found 11/9£419

Mon 29/922:10YUL - LHR

Nonstop6h 40mBritish Airways

Mon 1/1216:10LHR - YUL

Nonstop7h 35mBritish Airways

Deal found 11/9£433

Wed 8/1018:50YUL - LHR

1 stop10h 55mDelta

Wed 22/1006:30LHR - YUL

1 stop15h 25mDelta

Deal found 11/9£449

Thu 2/1023:45YUL - LHR

1 stop28h 25mMultiple Airlines

Thu 9/1020:50LHR - YUL

1 stop25h 30mMultiple Airlines

Deal found 11/9£461

Tue 23/913:15YUL - LHR

1 stop11h 40mUnited Airlines

Tue 30/906:50LHR - YUL

2 stops17h 55mUnited Airlines

Deal found 10/9£461

Wed 1/1021:55YUL - LHR

Nonstop6h 40mLufthansa

Wed 8/1009:30LHR - YUL

Nonstop7h 10mLufthansa

Deal found 9/9£431

Mon 29/922:10YUL - LHR

Nonstop6h 40mBritish Airways

Tue 7/1018:05LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 9/9£433

Mon 13/1018:50YUL - LHR

1 stop10h 55mDelta

Wed 22/1006:30LHR - YUL

1 stop15h 25mDelta

Deal found 11/9£449

Sat 6/1219:30YUL - LHR

Nonstop6h 40mLufthansa

Wed 10/1207:40LHR - YUL

1 stop15h 40mLufthansa

Deal found 11/9£446

Tue 11/1116:45YUL - LHR

1 stop11h 00mDelta

Tue 18/1108:40LHR - YUL

2 stops19h 46mDelta

Deal found 11/9£464

Thu 11/1206:00YUL - LHR

1 stop21h 45mDelta

Mon 15/1211:45LHR - YUL

1 stop10h 35mDelta

Deal found 10/9£467

Tue 21/1014:25YUL - LHR

2 stops12h 40mDelta

Tue 28/1010:10LHR - YUL

2 stops17h 04mDelta

Deal found 11/9£468

Direct flights from Pierre Elliott Trudeau Intl to Heathrow
Explore direct flight options from Pierre Elliott Trudeau Intl to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 September 2025.

Wed 19/1119:10YUL - LHR

Nonstop7h 00mAir Canada

Fri 28/1113:25LHR - YUL

Nonstop7h 45mAir Canada

Deal found 10/9£408

Mon 10/1120:40YUL - LHR

Nonstop6h 50mBritish Airways

Wed 19/1116:10LHR - YUL

Nonstop7h 35mBritish Airways

Deal found 11/9£427

Wed 14/119:30YUL - LHR

Nonstop6h 40mAir Canada

Tue 20/113:25LHR - YUL

Nonstop7h 45mAir Canada

Deal found 10/9£429

Wed 1/1018:55YUL - LHR

Nonstop6h 35mMultiple Airlines

Wed 22/1014:05LHR - YUL

Nonstop7h 10mMultiple Airlines

Deal found 10/9£430

Wed 8/1018:55YUL - LHR

Nonstop6h 35mAir Canada

Tue 14/1009:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 10/9£430

Tue 14/1018:55YUL - LHR

Nonstop6h 35mAir Canada

Wed 22/1009:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 10/9£431

Mon 29/922:10YUL - LHR

Nonstop6h 40mBritish Airways

Wed 12/1116:10LHR - YUL

Nonstop7h 35mBritish Airways

Deal found 11/9£433

Mon 29/922:10YUL - LHR

Nonstop6h 40mBritish Airways

Tue 7/1018:05LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 9/9£433

Sun 26/1020:10YUL - LHR

Nonstop7h 00mAir Canada

Sun 2/1113:25LHR - YUL

Nonstop7h 45mAir Canada

Deal found 11/9£434

Fri 16/120:30YUL - LHR

Nonstop6h 50mMultiple Airlines

Tue 20/116:10LHR - YUL

Nonstop7h 35mMultiple Airlines

Deal found 11/9£437

Sat 15/1119:10YUL - LHR

Nonstop7h 00mAir Canada

Wed 11/213:25LHR - YUL

Nonstop7h 25mAir Canada

Deal found 10/9£440

Last-minute flights from Pierre Elliott Trudeau Intl to Heathrow
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Heathrow. Data last updated 12 September 2025 and is based on user searches.

Tue 16/918:55YUL - LHR

Nonstop6h 35mAir Canada

Sun 21/906:50LHR - YUL

1 stop9h 45mAir Canada

Deal found 11/9£396

Tue 16/921:55YUL - LHR

Nonstop6h 40mAir Canada

Thu 25/909:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 11/9£407

Tue 16/918:55YUL - LHR

Nonstop6h 35mAir Canada

Tue 23/908:45LHR - YUL

1 stop11h 15mAir Canada

Deal found 11/9£416

Wed 17/918:55YUL - LHR

Nonstop6h 35mAir Canada

Fri 26/909:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 11/9£405

One-way flights from Pierre Elliott Trudeau Intl to Heathrow
Search for one-way flight options from Pierre Elliott Trudeau Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 12 September 2025.

Wed 15/1022:45YUL - LHR

1 stop14h 00mTAP AIR PORTUGAL

Deal found 11/9£194

Mon 29/922:45YUL - LHR

1 stop19h 10mTAP AIR PORTUGAL

Deal found 11/9£195

Sun 26/1022:45YUL - LHR

1 stop14h 45mTAP AIR PORTUGAL

Deal found 11/9£199

Wed 15/1006:45YUL - LHR

2 stops24h 20mWestJet

Deal found 11/9£204

Thu 2/1018:00YUL - LHR

2 stops21h 20mMultiple Airlines

Deal found 11/9£206

Mon 20/1006:45YUL - LHR

2 stops24h 55mMultiple Airlines

Deal found 9/9£211

Mon 22/922:45YUL - LHR

1 stop18h 15mTAP AIR PORTUGAL

Deal found 10/9£212

Wed 24/922:45YUL - LHR

1 stop19h 10mTAP AIR PORTUGAL

Deal found 10/9£214

Fri 17/1022:45YUL - LHR

1 stop19h 10mTAP AIR PORTUGAL

Deal found 11/9£216

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

21:55-09:35

Nonstop6h 40m

London Heathrow

Mon 1/12

08:45-18:20

1 stop14h 35m

£419

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

21:55-09:35

Nonstop6h 40m

London Heathrow

Wed 8/10

09:30-11:40

Nonstop7h 10m

£431

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

22:10-09:50

Nonstop6h 40m

London Heathrow

Mon 1/12

16:10-18:45

Nonstop7h 35m

£433

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

22:10-09:50

Nonstop6h 40m

London Heathrow

Tue 7/10

18:05-20:15

Nonstop7h 10m

£433

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

19:30-07:10

Nonstop6h 40m

London Heathrow

Wed 10/12

07:40-18:20

1 stop15h 40m

£446

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

18:50-10:45

1 stop10h 55m

London Heathrow

Wed 22/10

06:30-16:55

1 stop15h 25m

£449

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

18:50-10:45

1 stop10h 55m

London Heathrow

Wed 22/10

06:30-16:55

1 stop15h 25m

£449

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

23:45-09:10

1 stop28h 25m

London Heathrow

Thu 9/10

20:50-17:20

1 stop25h 30m

£461

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

13:15-05:55

1 stop11h 40m

London Heathrow

Tue 30/9

06:50-19:45

2 stops17h 55m

£461

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

16:45-08:45

1 stop11h 00m

London Heathrow

Tue 18/11

08:40-23:26

2 stops19h 46m

£464

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 23 results

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 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 Heathrow Airport

Prices

Airlines

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

Booking 69 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 Heathrow Airport. 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 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 £112). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport 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 LHR?

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as Air Canada and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

10,000 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Graeme,Sept 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

Air Canada

7.1

Good

10,000 reviews

Air Canada

7.1

Good

10,000 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Graeme,Sept 2025

YWG - YVR

British Airways

6.7

Okay

7,361 reviews

Air Canada

7.1

Good

10,000 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Graeme,Sept 2025

YWG - YVR

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Airlines like Lufthansa and British Airways fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 6h 40m. The time it takes to get you to your destination is usually consistent. The distance from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is about 3239 mi. Generally, flights for this route are direct.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport round-trip?
Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is Air Canada. Our recent data shows that you can find tickets from as low as £392 on this airline. An additional option worth looking into is British Airways, starting at £418. These flights start at 28% lower than the current average price 3 months from now.
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Consider American Airlines (70%), Aer Lingus (70%) or Finnair (70%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is £379. On average you can expect to pay £774. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £357.
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 holiday 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 £112). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport 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

Milton Keynes

Croydon

Hounslow

Gatwick

Slough

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

Winchester

Chichester

Ipswich

Swindon

Dartford

Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Pierre Elliott Trudeau Intl to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£392	Average£492	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£418	Average£722	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pierre Elliott Trudeau Intl to Heathrow for you. Better yet — we are completely free to use.

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, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £194

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.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in October or May, booked 69 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Pierre Elliott Trudeau Intl to Heathrow

Cheapest flights from Pierre Elliott Trudeau Intl to HeathrowExplore 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 12 September 2025.

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 12 September 2025.

Cheapflights Fare Finder

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.

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.

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?

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

What is the cheapest time of day to fly from YUL to LHR?

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

What’s the top stopover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

What’s the fastest stopover option from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

What’s the fastest stopover option from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as Air Canada and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

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

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

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

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

How can I 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?

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pierre Elliott Trudeau Intl to Heathrow

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

Top 2 airlines flying from Pierre Elliott Trudeau Intl to Heathrow

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 12 September 2025.