What are the cheapest airlines flying from London to Montreal round-trip?

According to our current data, Air Canada (£322), Air Transat (£324), and United Airlines (£335) offers the cheapest pricing from London to Montreal. Air Canada is priced at 31% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London to Montreal one-way?

One-way options have recently been found by users for as low as £295 on Air Transat. Other airlines that offer cheap prices include WestJet from £309 and TAP AIR PORTUGAL from £336 one-way.

What are the most popular routes from London to Montreal?

Most travelers choose London Heathrow - Montreal Pierre Elliott Trudeau Intl, London Gatwick - Montreal Pierre Elliott Trudeau Intl or London City - Montreal Pierre Elliott Trudeau Intl when deciding on the best route from London to Montreal.

What are the cheapest flights from London to Montreal?

Looking for the cheapest flight from London to Montreal? While on average our users pay £1,108, our data indicates the cheapest price to be £321. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £290.

What are the most reliable airlines from London to Montreal?

The top 3 most reliable airlines when flying from London to Montreal are Aegean Airlines (81%), Thai Airways (78%) and MEA (78%).

What are the most popular airlines that fly from London to Montreal?

Consider Air Canada, Air France or Finnair when booking your flight. These represent the most popular airlines when flying from London to Montreal.

What is the cheapest day to fly round-trip from London to Montreal?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from London to Montreal?

Find a great deal and save up to 31% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Montreal within the next two weeks, with the cheapest ticket starting at £416.

What is the cheapest month to fly from London to Montreal?

Flights from London to Montreal lean towards being more expensive in August. Prices are generally better when you fly from London to Montreal in September, with the cheapest ticket starting at £315.

Can I find deals for flights from London to Montreal that include hotel bookings?

Yes. In addition to deals on London to Montreal flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Montreal?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Montreal.

Can I find deals for business class flights from London to Montreal?

Yes. Cheapflights offers flight deals from London to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£283+ Flights from London to Montreal

Cheapflights Tip: The best prices from London to Montreal are usually found in September or March, booked 56 days in advance, depart on a Wednesday or Monday and return on a Sunday

Cheap flight deals from London to Montreal

Round-trip from	£322
One-way from	£290
Popular in	August
Cheapest in	September
Average price	£460
Good round-trip deal	£417 or less
Good one-way deal	£280 or less

Air Canada
9/7-13/7
3 total stops
48h 11m total
London to Montreal

Search Deals

23/4
3 total stops
47h 41m total
London to Montreal

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£37 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from London (LON) to Montreal (YMQ).

Search Deals

Price to beat on a one-way flight from London (LON) to Montreal (YMQ).

Search Deals

Find flight deals from London to Montreal

Cheapest flights from London to Montreal
Explore the most affordable flight options available from London to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Wed 9/712:40LHR - YUL

2 stops18h 11mAir Canada

Sun 13/719:30YUL - LHR

1 stop30h 00mAir Canada

Deal found 15/4£322

Wed 9/712:40LHR - YUL

2 stops17h 01mMultiple Airlines

Sun 13/718:55YUL - LHR

Nonstop6h 35mMultiple Airlines

Deal found 15/4£323

Fri 9/511:35LGW - YUL

Nonstop7h 40mAir Transat

Sat 17/522:05YUL - LGW

Nonstop6h 45mAir Transat

Deal found 15/4£324

Fri 9/508:30LHR - YUL

2 stops16h 15mUnited Airlines

Sat 17/509:15YUL - LHR

2 stops16h 30mUnited Airlines

Deal found 15/4£335

Fri 9/506:00LHR - YUL

1 stop14h 00mSWISS

Sat 17/516:40YUL - LHR

1 stop10h 15mSWISS

Deal found 15/4£375

Wed 15/1006:30LHR - YUL

1 stop14h 30mLufthansa

Wed 5/1120:10YUL - LHR

1 stop11h 50mLufthansa

Deal found 15/4£379

Tue 13/519:20LCY - YUL

1 stop24h 40mSWISS

Tue 20/516:40YUL - LCY

1 stop11h 10mSWISS

Deal found 15/4£384

Mon 12/506:00LTN - YUL

1 stop14h 20mMultiple Airlines

Tue 20/516:40YUL - LTN

2 stops14h 00mMultiple Airlines

Deal found 14/4£387

Tue 3/618:35LGW - YUL

1 stop25h 25mSWISS

Thu 12/616:40YUL - LGW

1 stop20h 10mSWISS

Deal found 15/4£389

Mon 12/507:55STN - YUL

2 stops33h 15mMultiple Airlines

Mon 19/516:40YUL - STN

2 stops26h 45mMultiple Airlines

Deal found 13/4£392

Mon 12/506:00LGW - YUL

1 stop14h 20mMultiple Airlines

Tue 20/516:40YUL - LGW

2 stops13h 10mMultiple Airlines

Deal found 14/4£394

Tue 29/410:25LHR - YUL

2 stops42h 26mAustrian Airlines

Mon 12/518:35YUL - LHR

1 stop22h 05mAustrian Airlines

Deal found 14/4£403

Best flights from London to Montreal
Discover carefully curated flight deals from London to Montreal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Wed 9/712:40LHR - YUL

2 stops18h 11mAir Canada

Sun 13/719:30YUL - LHR

1 stop30h 00mAir Canada

Deal found 15/4£322

Wed 9/712:40LHR - YUL

2 stops17h 01mMultiple Airlines

Sun 13/718:55YUL - LHR

Nonstop6h 35mMultiple Airlines

Deal found 15/4£323

Fri 9/511:35LGW - YUL

Nonstop7h 40mAir Transat

Sat 17/522:05YUL - LGW

Nonstop6h 45mAir Transat

Deal found 15/4£324

Fri 9/508:30LHR - YUL

2 stops16h 15mUnited Airlines

Sat 17/509:15YUL - LHR

2 stops16h 30mUnited Airlines

Deal found 15/4£335

Fri 9/506:00LHR - YUL

1 stop14h 00mSWISS

Sat 17/516:40YUL - LHR

1 stop10h 15mSWISS

Deal found 15/4£375

Wed 14/510:30LHR - YUL

1 stop10h 30mLufthansa

Tue 20/522:25YUL - LHR

Nonstop6h 35mLufthansa

Deal found 14/4£382

Tue 29/410:25LHR - YUL

2 stops42h 26mAustrian Airlines

Mon 12/518:35YUL - LHR

1 stop22h 05mAustrian Airlines

Deal found 14/4£403

Wed 21/509:20LCY - YUL

1 stop12h 35mKLM

Thu 29/518:50YUL - LCY

1 stop16h 50mKLM

Deal found 14/4£429

Wed 7/509:20LCY - YUL

1 stop12h 35mVirgin Atlantic

Mon 12/518:50YUL - LCY

1 stop9h 00mVirgin Atlantic

Deal found 15/4£431

Thu 11/918:05LHR - YUL

Nonstop7h 10mAmerican Airlines

Thu 18/922:05YUL - LHR

Nonstop6h 40mAmerican Airlines

Deal found 15/4£433

Tue 6/519:45LHR - YUL

1 stop24h 15mAir France

Wed 21/517:00YUL - LHR

1 stop12h 30mAir France

Deal found 14/4£434

Tue 24/606:50LHR - YUL

2 stops17h 30mBrussels Airlines

Tue 8/721:20YUL - LHR

2 stops18h 35mBrussels Airlines

Deal found 15/4£436

Direct flights from London to Montreal
Explore direct flight options from London to Montreal based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 April 2025.

Fri 9/511:35LGW - YUL

Nonstop7h 40mAir Transat

Sat 17/522:05YUL - LGW

Nonstop6h 45mAir Transat

Deal found 15/4£324

Mon 15/918:05LHR - YUL

Nonstop7h 10mBritish Airways

Mon 22/922:10YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 14/4£392

Fri 30/514:05LHR - YUL

Nonstop7h 10mAir Canada

Fri 6/622:25YUL - LHR

Nonstop6h 35mAir Canada

Deal found 15/4£393

Sun 27/414:05LHR - YUL

Nonstop7h 10mLufthansa

Sun 4/518:55YUL - LHR

Nonstop6h 35mLufthansa

Deal found 13/4£408

Thu 1/509:30LHR - YUL

Nonstop7h 10mMultiple Airlines

Wed 21/518:55YUL - LHR

Nonstop6h 35mMultiple Airlines

Deal found 14/4£416

Thu 11/918:05LHR - YUL

Nonstop7h 10mAmerican Airlines

Thu 18/922:05YUL - LHR

Nonstop6h 40mAmerican Airlines

Deal found 15/4£433

Mon 14/718:05LHR - YUL

Nonstop7h 10mFinnair

Sun 27/722:00YUL - LHR

Nonstop6h 40mFinnair

Deal found 14/4£662

Last-minute flights from London to Montreal
Discover last-minute flight deals from London to Montreal. Data last updated 15 April 2025 and is based on user searches.

Sun 20/406:00LHR - YUL

1 stop12h 50mMultiple Airlines

Sun 27/420:40YUL - LHR

1 stop16h 45mMultiple Airlines

Deal found 13/4£390

Sun 20/406:00LHR - YUL

1 stop12h 50mAustrian Airlines

Fri 25/420:40YUL - LHR

2 stops13h 00mAustrian Airlines

Deal found 14/4£629

Mon 21/408:30LHR - YUL

1 stop30h 58mUnited Airlines

Thu 1/509:15YUL - LHR

2 stops16h 30mUnited Airlines

Deal found 14/4£387

Mon 21/408:30LHR - YUL

1 stop11h 51mAir Canada

Fri 2/520:15YUL - LHR

1 stop10h 35mAir Canada

Deal found 14/4£406

Mon 21/408:40LHR - YUL

2 stops36h 41mSWISS

Mon 28/418:35YUL - LHR

2 stops32h 20mSWISS

Deal found 14/4£481

Mon 21/416:30LGW - YUL

3 stops31h 51mMultiple Airlines

Thu 1/518:05YUL - LGW

2 stops23h 00mMultiple Airlines

Deal found 14/4£498

Mon 21/419:50LTN - YUL

3 stops28h 31mMultiple Airlines

Thu 1/518:05YUL - LTN

2 stops18h 30mMultiple Airlines

Deal found 14/4£502

Mon 21/410:05LHR - YUL

2 stops17h 39mFinnair

Thu 1/512:55YUL - LHR

2 stops15h 10mFinnair

Deal found 14/4£547

Tue 22/411:05LHR - YUL

2 stops31h 45mBrussels Airlines

Sat 26/418:35YUL - LHR

2 stops41h 30mBrussels Airlines

Deal found 14/4£628

Thu 24/410:30LHR - YUL

1 stop10h 30mLufthansa

Mon 28/420:15YUL - LHR

1 stop10h 35mLufthansa

Deal found 14/4£388

Thu 24/412:40LGW - YUL

1 stop16h 55mAir Transat

Wed 30/414:35YUL - LGW

1 stop15h 10mAir Transat

Deal found 15/4£474

Thu 24/409:25LCY - YUL

1 stop10h 35mSWISS

Wed 30/416:40YUL - LCY

1 stop19h 35mSWISS

Deal found 15/4£545

One-way flights from London to Montreal
Search for one-way flight options from London to Montreal. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Wed 23/407:10LGW - YUL

3 stops47h 41mMultiple Airlines

Deal found 15/4£290

Thu 3/722:55STN - YUL

2 stops30h 42mMultiple Airlines

Deal found 15/4£290

Mon 5/521:50LTN - YUL

3 stops52h 10mMultiple Airlines

Deal found 15/4£290

Tue 29/416:35LHR - YUL

3 stops35h 12mMultiple Airlines

Deal found 15/4£290

Thu 1/506:30SEN - YUL

2 stops43h 30mMultiple Airlines

Deal found 15/4£293

Thu 10/711:35LGW - YUL

Nonstop7h 40mAir Transat

Deal found 14/4£295

Tue 29/410:45LGW - YUL

2 stops18h 52mWestJet

Deal found 13/4£309

Thu 1/516:30LCY - YUL

2 stops33h 30mMultiple Airlines

Deal found 15/4£315

Sun 8/619:50LHR - YUL

1 stop30h 20mTAP AIR PORTUGAL

Deal found 14/4£336

Thu 1/509:30LHR - YUL

1 stop11h 30mLufthansa

Deal found 13/4£372

Thu 1/508:45LCY - YUL

1 stop12h 15mLufthansa

Deal found 13/4£379

Sat 21/607:40LHR - YUL

2 stops16h 41mAer Lingus

Deal found 14/4£381

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 9/7

12:40-01:51

2 stops18h 11m

Montreal Pierre Elliott Trudeau Intl

Sun 13/7

19:30-06:30

1 stop30h 00m

£322

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 9/7

12:40-00:41

2 stops17h 01m

Montreal Pierre Elliott Trudeau Intl

Sun 13/7

18:55-06:30

Nonstop6h 35m

£323

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 9/5

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

22:05-09:50

Nonstop6h 45m

£324

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 9/5

08:30-19:45

2 stops16h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

09:15-06:45

2 stops16h 30m

£335

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 9/5

06:00-15:00

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

16:40-07:55

1 stop10h 15m

£375

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 14/5

10:30-16:00

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

22:25-10:00

Nonstop6h 35m

£382

LondonMontreal

LCY - YUL

LCYYUL

London City

Tue 13/5

19:20-15:00

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

16:40-08:50

1 stop11h 10m

£384

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Mon 12/5

06:00-15:20

1 stop14h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

16:40-11:40

2 stops14h 00m

£387

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 3/6

18:35-15:00

1 stop25h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 12/6

16:40-17:50

1 stop20h 10m

£389

LondonMontreal

STN - YUL

STNYUL

London Stansted

Mon 12/5

07:55-12:10

2 stops33h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 19/5

16:40-00:25

2 stops26h 45m

£392

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 57 results

...

Best time to book a flight from London to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from London 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 London to Montreal

How far ahead should I book a flight from London to Montreal?

To ensure you get the cheapest price possible for a flight from London to Montreal, you should look to book at least 56 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 London to Montreal?

Currently, February is the cheapest month in which you can book a flight from London to Montreal (average of £475). Flying from London to Montreal in July is currently the most expensive (average of £743). 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 LON to YMQ?

It’s optimal to fly from London to Montreal in the evening. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from London to Montreal?

Travellers seeking maximum savings on their London to Montreal flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Montreal

The most flights from LON to YMQ are scheduled on a Tuesday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Montreal by month

In terms of precipitation, rainfall in Montreal ranges from 64.0 - 111.0 inches per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal when rainfall is around 64.0 mm.

Temperature in Montreal by month

If weather is an important factor for your trip to Montreal, 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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Montreal

Read through reviews of airlines operating flights from London to Montreal, such as Delta, KLM and Air Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta

8.0

Very Good

7,917 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Air Transat

7.8

Good

385 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Azores Airlines

7.5

Good

65 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

What are the cheapest airlines flying from London to Montreal round-trip?
According to our current data, Air Canada (£322), Air Transat (£324), and United Airlines (£335) offers the cheapest pricing from London to Montreal. Air Canada is priced at 31% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from London to Montreal one-way?
One-way options have recently been found by users for as low as £295 on Air Transat. Other airlines that offer cheap prices include WestJet from £309 and TAP AIR PORTUGAL from £336 one-way.
What are the most popular routes from London to Montreal?
Most travelers choose London Heathrow - Montreal Pierre Elliott Trudeau Intl, London Gatwick - Montreal Pierre Elliott Trudeau Intl or London City - Montreal Pierre Elliott Trudeau Intl when deciding on the best route from London to Montreal.
What are the most reliable airlines from London to Montreal?
The top 3 most reliable airlines when flying from London to Montreal are Aegean Airlines (81%), Thai Airways (78%) and MEA (78%).
What are the cheapest flights from London to Montreal?
Looking for the cheapest flight from London to Montreal? While on average our users pay £1,108, our data indicates the cheapest price to be £321. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £290.
Can I find deals for flights from London to Montreal that include hotel bookings?
Yes. In addition to deals on London to Montreal flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Montreal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Montreal.
Can I find deals for business class flights from London to Montreal?
Yes. Cheapflights offers flight deals from London to Montreal 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 London to Montreal?
Currently, February is the cheapest month in which you can book a flight from London to Montreal (average of £475). Flying from London to Montreal in July is currently the most expensive (average of £743). 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

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from London to Montreal

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£98	Average£552	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	Cheapest£317	Average£509	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
TAP AIR PORTUGAL	Cheapest£343	Average£543	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Canada	Cheapest£378	Average£485	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£379	Average£535	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£383	Average£529	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£388	Average£662	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£416	Average£707	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Montreal?

Cheapflights helps you search for flights from London to Montreal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Montreal?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Montreal.

Can Cheapflights find flights from London to Montreal with no change fees?

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

Can Cheapflights notify me if prices for flights from London to Montreal become cheaper?

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

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

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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 London to Montreal from £283

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Montreal are usually found in September or March, booked 56 days in advance, depart on a Wednesday or Monday and return on a Sunday

Cheap flight deals from London to Montreal

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from London to Montreal

Cheapest flights from London to MontrealExplore the most affordable flight options available from London to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Explore the most affordable flight options available from London to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Montreal that are best for you.

Best time to book a flight from London to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Montreal

How far ahead should I book a flight from London to Montreal?

Use this chart to determine the optimal time to book a return flight from London to Montreal. Price data was last updated on 11 April 2025.

What is the cheapest month to book a flight from London to Montreal?

What is the cheapest time of day to fly from LON to YMQ?

Find hourly flight availability from London to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

What is the cheapest day to fly from London to Montreal?

Use this chart to determine the cheapest time to fly return from London to Montreal. Price data was last updated on 16 December 2024.

Weekly flight availability from London to Montreal

Explore weekly flight availability from London to Montreal. 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 15 April 2025.

Rainfall in Montreal by month

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

Temperature in Montreal by month

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

Reviews of airlines servicing Montreal

Read through reviews of airlines operating flights from London to Montreal, such as Delta, KLM and Air Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Montreal. 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 London to Montreal round-trip?

What are the cheapest airlines to fly from London to Montreal one-way?

What are the most popular routes from London to Montreal?

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What are the cheapest flights from London to Montreal?

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Fly from London to Montreal on these airlines

Choose from the following airlines for your flight from London to Montreal. Flights are based on user searches made on Cheapflights and were last updated on 15 April 2025.

Top 8 airlines flying from London to Montreal

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Cheapest flights from London to Montreal
Explore the most affordable flight options available from London to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.