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

According to our current data, Air Transat (£384), Lufthansa (£384), and Air Canada (£385) offers the cheapest pricing from London to Montreal. Air Transat is priced at 20% 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 £303 on Air Transat. Other airlines that offer cheap prices include WestJet from £327 and TAP AIR PORTUGAL from £337 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 £1,481, our data indicates the cheapest price to be £385. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £311.

What are the most reliable airlines from London to Montreal?

The top 3 most reliable airlines when flying from London to Montreal are Air Canada (77%), Austrian Airlines (77%) and Egyptair (77%).

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 £425.

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 £322.

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.

£302+ Flights from London to Montreal

Cheapflights Tip: The best prices from London to Montreal are usually found in September or February, 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	£384
One-way from	£302
Popular in	August
Cheapest in	September
Average price	£452
Good round-trip deal	£466 or less
Good one-way deal	£278 or less

Air Transat
21/9-29/9
1 total stop
18h 25m total
London to Montreal

Search Deals

8/4
3 total stops
52h 35m total
London to Montreal

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£39 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 March 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 27 March 2025.

Sun 21/912:40LGW - YUL

1 stop11h 40mAir Transat

Mon 29/922:05YUL - LGW

Nonstop6h 45mAir Transat

Deal found 26/3£384

Fri 2/510:30LHR - YUL

1 stop10h 30mLufthansa

Wed 7/518:55YUL - LHR

Nonstop6h 35mLufthansa

Deal found 26/3£384

Wed 30/409:30LHR - YUL

Nonstop7h 10mAir Canada

Tue 27/518:55YUL - LHR

Nonstop6h 35mAir Canada

Deal found 25/3£385

Mon 28/420:05STN - YUL

1 stop20h 35mMultiple Airlines

Mon 5/519:30YUL - STN

1 stop13h 40mMultiple Airlines

Deal found 26/3£387

Fri 25/413:00LHR - YUL

2 stops23h 48mUnited Airlines

Fri 16/518:00YUL - LHR

1 stop10h 20mUnited Airlines

Deal found 26/3£387

Sun 11/508:45LHR - YUL

1 stop11h 15mMultiple Airlines

Sun 18/518:55YUL - LHR

Nonstop6h 35mMultiple Airlines

Deal found 27/3£389

Thu 1/517:10LHR - YUL

2 stops32h 26mSWISS

Thu 8/516:30YUL - LHR

2 stops21h 50mSWISS

Deal found 26/3£400

Thu 1/509:25LCY - YUL

1 stop10h 35mSWISS

Wed 7/516:40YUL - LCY

1 stop11h 10mSWISS

Deal found 26/3£404

Thu 1/517:40SEN - YUL

3 stops32h 12mMultiple Airlines

Wed 7/517:50YUL - SEN

1 stop22h 00mMultiple Airlines

Deal found 26/3£405

Fri 9/508:55LCY - YUL

1 stop12h 05mMultiple Airlines

Sun 18/518:35YUL - LCY

1 stop16h 50mMultiple Airlines

Deal found 26/3£411

Thu 5/606:05LTN - YUL

1 stop12h 55mMultiple Airlines

Tue 10/618:50YUL - LTN

1 stop18h 25mMultiple Airlines

Deal found 26/3£418

Mon 7/419:15LHR - YUL

1 stop26h 40mKLM

Mon 14/418:50YUL - LHR

1 stop17h 45mKLM

Deal found 26/3£432

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 27 March 2025.

Sun 21/912:40LGW - YUL

1 stop11h 40mAir Transat

Mon 29/922:05YUL - LGW

Nonstop6h 45mAir Transat

Deal found 26/3£384

Fri 2/506:30LHR - YUL

1 stop14h 30mLufthansa

Sun 11/518:55YUL - LHR

Nonstop6h 35mLufthansa

Deal found 26/3£384

Wed 30/409:30LHR - YUL

Nonstop7h 10mAir Canada

Tue 27/518:55YUL - LHR

Nonstop6h 35mAir Canada

Deal found 25/3£385

Mon 28/420:05STN - YUL

1 stop20h 35mMultiple Airlines

Mon 5/519:30YUL - STN

1 stop13h 40mMultiple Airlines

Deal found 26/3£387

Fri 25/413:00LHR - YUL

2 stops23h 48mUnited Airlines

Fri 16/518:00YUL - LHR

1 stop10h 20mUnited Airlines

Deal found 26/3£387

Thu 1/517:10LHR - YUL

2 stops32h 26mSWISS

Thu 8/516:30YUL - LHR

2 stops21h 50mSWISS

Deal found 26/3£400

Mon 7/419:15LHR - YUL

1 stop26h 40mKLM

Mon 14/418:50YUL - LHR

1 stop14h 00mKLM

Deal found 26/3£432

Sun 11/519:05LCY - YUL

1 stop26h 50mVirgin Atlantic

Sun 18/518:50YUL - LCY

1 stop9h 40mVirgin Atlantic

Deal found 27/3£433

Wed 4/618:05LHR - YUL

Nonstop7h 10mBritish Airways

Sun 8/622:00YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 26/3£434

Tue 8/419:30LHR - YUL

1 stop23h 20mAustrian Airlines

Tue 15/418:40YUL - LHR

2 stops21h 55mAustrian Airlines

Deal found 26/3£449

Fri 2/512:20LGW - YUL

2 stops29h 00mAmerican Airlines

Thu 8/512:56YUL - LGW

2 stops38h 39mAmerican Airlines

Deal found 26/3£456

Sat 10/514:30LGW - YUL

2 stops37h 14mFinnair

Sat 17/516:00YUL - LGW

2 stops35h 35mFinnair

Deal found 26/3£458

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 27 March 2025.

Sat 21/611:35LGW - YUL

Nonstop7h 40mAir Transat

Sat 28/622:05YUL - LGW

Nonstop6h 45mAir Transat

Deal found 26/3£384

Wed 23/414:05LHR - YUL

Nonstop7h 10mLufthansa

Wed 30/422:20YUL - LHR

Nonstop6h 40mLufthansa

Deal found 27/3£384

Sat 26/409:30LHR - YUL

Nonstop7h 10mAir Canada

Sat 17/518:55YUL - LHR

Nonstop6h 35mAir Canada

Deal found 27/3£385

Thu 1/518:05LHR - YUL

Nonstop7h 10mBritish Airways

Thu 8/522:05YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 26/3£405

Tue 3/614:05LHR - YUL

Nonstop7h 10mMultiple Airlines

Mon 23/622:25YUL - LHR

Nonstop6h 35mMultiple Airlines

Deal found 26/3£433

Tue 3/618:05LHR - YUL

Nonstop7h 10mAmerican Airlines

Sun 22/622:00YUL - LHR

Nonstop6h 40mAmerican Airlines

Deal found 26/3£523

Thu 1/518:05LHR - YUL

Nonstop7h 10mFinnair

Sat 1/1121:50YUL - LHR

Nonstop6h 50mFinnair

Deal found 26/3£559

Tue 3/611:35LGW - YUL

Nonstop7h 40mMultiple Airlines

Sun 22/622:05YUL - LGW

Nonstop6h 45mMultiple Airlines

Deal found 26/3£738

Last-minute flights from London to Montreal
Discover last-minute flight deals from London to Montreal. Data last updated 27 March 2025 and is based on user searches.

Thu 27/315:00LHR - YUL

Nonstop7h 40mAir Canada

Thu 3/422:20YUL - LHR

Nonstop6h 40mAir Canada

Deal found 26/3£384

Tue 1/410:25STN - YUL

2 stops33h 35mMultiple Airlines

Tue 8/416:40YUL - STN

2 stops14h 15mMultiple Airlines

Deal found 26/3£392

Tue 1/415:20LHR - YUL

2 stops21h 28mUnited Airlines

Sun 6/406:00YUL - LHR

2 stops19h 55mUnited Airlines

Deal found 26/3£395

Tue 1/409:30LHR - YUL

Nonstop7h 10mAir Canada

Tue 15/418:55YUL - LHR

Nonstop6h 35mAir Canada

Deal found 26/3£397

Tue 1/414:05LHR - YUL

Nonstop7h 10mLufthansa

Tue 8/422:20YUL - LHR

Nonstop6h 40mLufthansa

Deal found 26/3£430

Tue 1/407:00LGW - YUL

2 stops35h 50mMultiple Airlines

Tue 8/416:40YUL - LGW

2 stops25h 20mMultiple Airlines

Deal found 26/3£434

Tue 1/406:05LTN - YUL

2 stops17h 45mMultiple Airlines

Mon 7/417:50YUL - LTN

1 stop10h 25mMultiple Airlines

Deal found 26/3£450

Tue 1/406:00LHR - YUL

1 stop12h 50mAustrian Airlines

Tue 29/414:15YUL - LHR

2 stops26h 20mAustrian Airlines

Deal found 26/3£469

Tue 1/408:45LHR - YUL

1 stop11h 15mSWISS

Tue 8/416:40YUL - LHR

2 stops16h 00mSWISS

Deal found 26/3£476

Tue 1/409:20LCY - YUL

1 stop12h 35mKLM

Tue 8/418:50YUL - LCY

1 stop9h 00mKLM

Deal found 27/3£483

Tue 1/417:50LHR - YUL

2 stops23h 15mBrussels Airlines

Fri 11/418:40YUL - LHR

2 stops21h 55mBrussels Airlines

Deal found 26/3£533

Tue 1/409:20LCY - YUL

1 stop12h 35mVirgin Atlantic

Tue 15/412:50YUL - LCY

2 stops13h 25mVirgin Atlantic

Deal found 26/3£534

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 27 March 2025.

Tue 8/420:35STN - YUL

3 stops52h 35mMultiple Airlines

Deal found 26/3£302

Mon 8/909:40LGW - YUL

1 stop12h 40mAir Transat

Deal found 25/3£303

Thu 3/721:10LTN - YUL

2 stops32h 27mMultiple Airlines

Deal found 26/3£304

Mon 8/908:55LGW - YUL

2 stops16h 15mMultiple Airlines

Deal found 25/3£318

Mon 15/906:35LHR - YUL

2 stops19h 35mMultiple Airlines

Deal found 26/3£323

Sun 8/610:45LGW - YUL

2 stops42h 52mWestJet

Deal found 26/3£327

Mon 15/906:00LHR - YUL

1 stop20h 10mTAP AIR PORTUGAL

Deal found 26/3£337

Tue 6/506:45LCY - YUL

2 stops16h 02mMultiple Airlines

Deal found 26/3£363

Sat 20/907:40LHR - YUL

2 stops16h 40mAer Lingus

Deal found 26/3£382

Wed 9/406:00LHR - YUL

1 stop14h 00mSWISS

Deal found 26/3£387

Mon 31/320:05SEN - YUL

3 stops44h 48mMultiple Airlines

Deal found 26/3£392

Wed 9/409:25LCY - YUL

1 stop10h 35mSWISS

Deal found 25/3£395

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

LGW - YUL

LGWYUL

London Gatwick

Sun 21/9

12:40-19:20

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

22:05-09:50

Nonstop6h 45m

£384

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 2/5

10:30-16:00

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

18:55-06:30

Nonstop6h 35m

£384

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 30/4

09:30-11:40

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 27/5

18:55-06:30

Nonstop6h 35m

£385

LondonMontreal

STN - YUL

STNYUL

London Stansted

Mon 28/4

20:05-11:40

1 stop20h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

19:30-14:10

1 stop13h 40m

£387

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 25/4

13:00-07:48

2 stops23h 48m

Montreal Pierre Elliott Trudeau Intl

Fri 16/5

18:00-09:20

1 stop10h 20m

£387

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 11/5

08:45-15:00

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

18:55-06:30

Nonstop6h 35m

£389

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 1/5

17:10-20:36

2 stops32h 26m

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

16:30-19:20

2 stops21h 50m

£400

LondonMontreal

LCY - YUL

LCYYUL

London City

Thu 1/5

09:25-15:00

1 stop10h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

16:40-08:50

1 stop11h 10m

£404

LondonMontreal

SEN - YUL

SENYUL

London Southend

Thu 1/5

17:40-20:52

3 stops32h 12m

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

17:50-20:50

1 stop22h 00m

£405

LondonMontreal

LCY - YUL

LCYYUL

London City

Fri 9/5

08:55-16:00

1 stop12h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

18:35-16:25

1 stop16h 50m

£411

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 60 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.

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

7,895 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

7,895 reviews

Delta

8.0

Very Good

7,895 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

1,319 reviews

Delta

8.0

Very Good

7,895 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

381 reviews

Delta

8.0

Very Good

7,895 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

7.6

Good

63 reviews

Delta

8.0

Very Good

7,895 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

1,267 reviews

Delta

8.0

Very Good

7,895 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 Transat (£384), Lufthansa (£384), and Air Canada (£385) offers the cheapest pricing from London to Montreal. Air Transat is priced at 20% 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 £303 on Air Transat. Other airlines that offer cheap prices include WestJet from £327 and TAP AIR PORTUGAL from £337 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 Air Canada (77%), Austrian Airlines (77%) and Egyptair (77%).
What are the cheapest flights from London to Montreal?
Looking for the cheapest flight from London to Montreal? While on average our users pay £1,481, our data indicates the cheapest price to be £385. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £311.
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£100	Average£563	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	Cheapest£326	Average£529	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
TAP AIR PORTUGAL	Cheapest£350	Average£554	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
British Airways	Cheapest£387	Average£552	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£387	Average£491	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest£392	Average£538	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£395	Average£675	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£440	Average£702	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 £302

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 8/4. 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 February, 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 27 March 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 27 March 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 21 March 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 27 March 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.

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?

What are the most reliable airlines from London to Montreal?

What are the cheapest flights from London to Montreal?

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

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What is the cheapest month to book a flight 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 27 March 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 27 March 2025.