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

According to our current data, Lufthansa (£343), Air Transat (£344), and Air Canada (£347) offers the cheapest pricing from London to Montreal. Lufthansa is priced at 23% 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 £239 on Air Transat. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £298 and WestJet from £359 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 £1,358, our data indicates the cheapest price to be £336. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £307.

What are the most reliable airlines from London to Montreal?

The top 3 most reliable airlines when flying from London to Montreal are Egyptair (92%), Aegean Airlines (91%) and Thai Airways (91%).

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 £403.

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

Flights from London to Montreal lean towards being more expensive in December. Prices are generally better when you fly from London to Montreal in September, with the cheapest ticket starting at £305.

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.

£239+ 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 Tuesday and return on a Sunday

Cheap flight deals from London to Montreal

Round-trip from	£343
One-way from	£239
Popular in	December
Cheapest in	September
Average price	£415
Good round-trip deal	£352 or less
Good one-way deal	£244 or less

Lufthansa
29/8-6/9
Nonstop
13h 45m total
London to Montreal

Search Deals

Air Transat
21/6
Nonstop
7h 40m total
London to Montreal

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 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 13 June 2025.

Fri 29/809:30LHR - YUL

Nonstop7h 10mLufthansa

Sat 6/918:55YUL - LHR

Nonstop6h 35mLufthansa

Deal found 12/6£343

Fri 26/912:40LGW - YUL

1 stop16h 57mAir Transat

Sun 28/917:50YUL - LGW

1 stop11h 55mAir Transat

Deal found 11/6£344

Tue 2/907:25LHR - YUL

1 stop16h 25mMultiple Airlines

Sat 13/918:55YUL - LHR

Nonstop6h 35mMultiple Airlines

Deal found 12/6£346

Mon 8/909:30LHR - YUL

Nonstop7h 10mAir Canada

Mon 22/921:55YUL - LHR

Nonstop6h 40mAir Canada

Deal found 11/6£347

Thu 4/911:45LHR - YUL

1 stop10h 10mVirgin Atlantic

Sun 14/918:50YUL - LHR

1 stop14h 00mVirgin Atlantic

Deal found 11/6£354

Tue 2/908:45LCY - YUL

1 stop15h 40mLufthansa

Mon 8/918:05YUL - LCY

1 stop17h 20mLufthansa

Deal found 12/6£356

Mon 1/919:30LHR - YUL

2 stops21h 35mAustrian Airlines

Tue 16/914:10YUL - LHR

2 stops26h 30mAustrian Airlines

Deal found 12/6£358

Wed 10/906:00LHR - YUL

1 stop14h 00mSWISS

Wed 24/916:40YUL - LHR

1 stop18h 45mSWISS

Deal found 12/6£358

Thu 28/808:45LCY - YUL

1 stop15h 40mMultiple Airlines

Tue 2/918:05YUL - LCY

1 stop17h 20mMultiple Airlines

Deal found 11/6£372

Wed 3/906:15LHR - YUL

1 stop10h 50mAir France

Fri 12/917:00YUL - LHR

1 stop12h 30mAir France

Deal found 12/6£374

Thu 18/918:05LHR - YUL

Nonstop7h 10mBritish Airways

Thu 25/922:05YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 12/6£380

Fri 5/906:30LHR - YUL

1 stop15h 25mDelta

Wed 28/119:05YUL - LHR

1 stop10h 25mDelta

Deal found 11/6£382

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 13 June 2025.

Fri 29/809:30LHR - YUL

Nonstop7h 10mLufthansa

Sat 6/918:55YUL - LHR

Nonstop6h 35mLufthansa

Deal found 12/6£343

Fri 26/912:40LGW - YUL

1 stop16h 57mAir Transat

Sun 28/917:50YUL - LGW

1 stop11h 55mAir Transat

Deal found 11/6£344

Tue 2/907:25LHR - YUL

1 stop16h 25mMultiple Airlines

Sat 13/918:55YUL - LHR

Nonstop6h 35mMultiple Airlines

Deal found 12/6£346

Mon 8/909:30LHR - YUL

Nonstop7h 10mAir Canada

Mon 22/921:55YUL - LHR

Nonstop6h 40mAir Canada

Deal found 11/6£347

Wed 10/906:00LHR - YUL

1 stop14h 00mSWISS

Wed 24/916:40YUL - LHR

1 stop18h 45mSWISS

Deal found 12/6£358

Tue 2/906:00LHR - YUL

2 stops35h 05mAustrian Airlines

Tue 16/914:10YUL - LHR

2 stops26h 30mAustrian Airlines

Deal found 12/6£372

Thu 18/918:05LHR - YUL

Nonstop7h 10mBritish Airways

Thu 25/922:05YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 12/6£380

Fri 5/906:30LHR - YUL

1 stop15h 25mDelta

Wed 28/119:05YUL - LHR

1 stop10h 25mDelta

Deal found 11/6£382

Thu 28/806:50LHR - YUL

2 stops14h 20mUnited Airlines

Tue 2/915:41YUL - LHR

1 stop10h 04mUnited Airlines

Deal found 11/6£389

Wed 3/908:40LCY - YUL

1 stop13h 15mVirgin Atlantic

Thu 11/918:50YUL - LCY

1 stop9h 40mVirgin Atlantic

Deal found 13/6£395

Sun 22/606:30LHR - YUL

1 stop15h 25mKLM

Sun 31/812:55YUL - LHR

1 stop15h 00mKLM

Deal found 10/6£400

Mon 23/615:20LHR - YUL

1 stop9h 50mAir France

Thu 17/721:00YUL - LHR

1 stop11h 45mAir France

Deal found 12/6£414

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 13 June 2025.

Fri 29/809:30LHR - YUL

Nonstop7h 10mLufthansa

Sat 6/918:55YUL - LHR

Nonstop6h 35mLufthansa

Deal found 12/6£343

Mon 1/911:35LGW - YUL

Nonstop7h 40mAir Transat

Mon 29/922:05YUL - LGW

Nonstop6h 45mAir Transat

Deal found 11/6£347

Mon 1/909:30LHR - YUL

Nonstop7h 10mAir Canada

Sun 7/921:55YUL - LHR

Nonstop6h 40mAir Canada

Deal found 11/6£347

Wed 10/918:05LHR - YUL

Nonstop7h 10mBritish Airways

Wed 24/922:10YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 12/6£380

Wed 3/918:05LHR - YUL

Nonstop7h 10mAmerican Airlines

Wed 10/922:10YUL - LHR

Nonstop6h 40mAmerican Airlines

Deal found 12/6£389

Tue 26/809:30LHR - YUL

Nonstop7h 10mMultiple Airlines

Thu 4/921:55YUL - LHR

Nonstop6h 40mMultiple Airlines

Deal found 11/6£392

Tue 2/911:35LGW - YUL

Nonstop7h 40mMultiple Airlines

Fri 12/922:05YUL - LGW

Nonstop6h 45mMultiple Airlines

Deal found 12/6£437

Mon 23/618:05LHR - YUL

Nonstop7h 10mFinnair

Thu 17/722:05YUL - LHR

Nonstop6h 40mFinnair

Deal found 12/6£671

Last-minute flights from London to Montreal
Discover last-minute flight deals from London to Montreal. Data last updated 13 June 2025 and is based on user searches.

Thu 12/606:00LHR - YUL

1 stop14h 00mAir Canada

Sun 15/621:45YUL - LHR

Nonstop6h 50mAir Canada

Deal found 11/6£411

Wed 18/622:10STN - YUL

1 stop24h 10mMultiple Airlines

Wed 9/723:45YUL - STN

1 stop12h 10mMultiple Airlines

Deal found 12/6£429

Wed 18/608:40LHR - YUL

1 stop11h 20mMultiple Airlines

Wed 9/722:15YUL - LHR

1 stop17h 45mMultiple Airlines

Deal found 12/6£442

Fri 20/609:40LGW - YUL

1 stop13h 07mAir Transat

Sun 22/606:45YUL - LGW

1 stop23h 00mAir Transat

Deal found 11/6£347

Fri 20/608:40LHR - YUL

1 stop11h 20mSWISS

Tue 1/716:40YUL - LHR

1 stop10h 15mSWISS

Deal found 12/6£427

Fri 20/608:40LHR - YUL

1 stop11h 20mAir Canada

Sun 29/619:05YUL - LHR

1 stop10h 10mAir Canada

Deal found 12/6£432

Fri 20/606:30LHR - YUL

1 stop14h 30mLufthansa

Mon 30/621:45YUL - LHR

1 stop13h 55mLufthansa

Deal found 12/6£435

Fri 20/606:00LHR - YUL

1 stop12h 50mAustrian Airlines

Fri 4/718:35YUL - LHR

2 stops22h 05mAustrian Airlines

Deal found 12/6£444

Mon 23/606:30LHR - YUL

1 stop15h 25mDelta

Tue 15/719:00YUL - LHR

1 stop10h 30mDelta

Deal found 12/6£409

Mon 23/608:40LHR - YUL

1 stop13h 15mKLM

Tue 1/718:50YUL - LHR

1 stop16h 25mKLM

Deal found 12/6£413

Mon 23/615:20LHR - YUL

1 stop9h 50mAir France

Thu 17/721:00YUL - LHR

1 stop11h 45mAir France

Deal found 12/6£414

Mon 23/609:45LCY - YUL

1 stop12h 10mKLM

Wed 16/718:50YUL - LCY

1 stop9h 40mKLM

Deal found 12/6£431

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 13 June 2025.

Sat 21/611:35LGW - YUL

Nonstop7h 40mAir Transat

Deal found 13/6£239

Mon 23/620:50STN - YUL

2 stops22h 25mMultiple Airlines

Deal found 11/6£240

Mon 23/621:35LGW - YUL

2 stops21h 40mMultiple Airlines

Deal found 11/6£250

Wed 3/918:10LTN - YUL

1 stop21h 30mMultiple Airlines

Deal found 12/6£252

Mon 22/911:05SEN - YUL

1 stop14h 55mMultiple Airlines

Deal found 11/6£269

Thu 21/806:20LHR - YUL

2 stops17h 16mMultiple Airlines

Deal found 12/6£269

Fri 20/608:00LHR - YUL

1 stop18h 10mTAP AIR PORTUGAL

Deal found 12/6£298

Fri 20/612:05LGW - YUL

2 stops14h 05mTAP AIR PORTUGAL

Deal found 12/6£305

Mon 23/608:30LCY - YUL

2 stops18h 00mMultiple Airlines

Deal found 11/6£330

Tue 12/810:45LGW - YUL

2 stops18h 52mWestJet

Deal found 11/6£359

Mon 17/1109:50LHR - YUL

2 stops14h 33mAer Lingus

Deal found 12/6£363

Wed 17/918:05LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 12/6£392

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

Fri 29/8

09:30-11:40

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

18:55-06:30

Nonstop6h 35m

£343

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 26/9

12:40-00:37

1 stop16h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

17:50-10:45

1 stop11h 55m

£344

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 2/9

07:25-18:50

1 stop16h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

18:55-06:30

Nonstop6h 35m

£346

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 8/9

09:30-11:40

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

21:55-09:35

Nonstop6h 40m

£347

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 4/9

11:45-16:55

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

18:50-13:50

1 stop14h 00m

£354

LondonMontreal

LCY - YUL

LCYYUL

London City

Tue 2/9

08:45-19:25

1 stop15h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

18:05-16:25

1 stop17h 20m

£356

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 1/9

19:30-12:05

2 stops21h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

14:10-21:40

2 stops26h 30m

£358

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 10/9

06:00-15:00

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

16:40-16:25

1 stop18h 45m

£358

LondonMontreal

LCY - YUL

LCYYUL

London City

Thu 28/8

08:45-19:25

1 stop15h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

18:05-16:25

1 stop17h 20m

£372

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 3/9

06:15-12:05

1 stop10h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

17:00-10:30

1 stop12h 30m

£374

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 51 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 7% 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 Wednesday (17 on average). You will have fewer flight options on Thursday, 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

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,950 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Transat

7.8

Good

396 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,463 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from London to Montreal round-trip?
According to our current data, Lufthansa (£343), Air Transat (£344), and Air Canada (£347) offers the cheapest pricing from London to Montreal. Lufthansa is priced at 23% 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 £239 on Air Transat. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £298 and WestJet from £359 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 Egyptair (92%), Aegean Airlines (91%) and Thai Airways (91%).
What are the cheapest flights from London to Montreal?
Looking for the cheapest flight from London to Montreal? While on average our users pay £1,358, our data indicates the cheapest price to be £336. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £307.
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£95	Average£463	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	Cheapest£307	Average£491	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
TAP AIR PORTUGAL	Cheapest£332	Average£530	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Canada	Cheapest£365	Average£475	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£367	Average£530	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£367	Average£500	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£380	Average£653	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£403	Average£665	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.

Book with Flexibility

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

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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 £239

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 21/6. 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 Tuesday 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 13 June 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 13 June 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 9 June 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 13 June 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 13 June 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?

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?

How can I find direct flights from London to Montreal?

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

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 13 June 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 13 June 2025.