Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Montreal from £296

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YMQ
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

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

Cheap flight deals from London to Montreal

Enter your travel dates to find the best prices.

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 30 December 2025.

Wed 31/1206:00LHR - YUL
1 stop14h 10mMultiple Airlines
Fri 30/119:10YUL - LHR
Nonstop7h 00mMultiple Airlines
Deal found 29/12£434
Sun 28/1220:05LHR - YUL
1 stop24h 05mMultiple Airlines
Sun 11/119:30YUL - LHR
Nonstop6h 40mMultiple Airlines
Deal found 28/12£448
Wed 31/1210:25LHR - YUL
2 stops19h 07mAir Canada
Mon 12/121:45YUL - LHR
1 stop17h 50mAir Canada
Deal found 28/12£453
Sun 28/1219:15LHR - YUL
1 stop28h 05mLufthansa
Sun 11/119:30YUL - LHR
Nonstop6h 40mLufthansa
Deal found 28/12£456
Wed 31/1206:00LHR - YUL
1 stop14h 10mSWISS
Fri 30/118:35YUL - LHR
2 stops13h 25mSWISS
Deal found 29/12£473
Wed 31/1206:00LHR - YUL
1 stop14h 10mMultiple Airlines
Thu 8/119:30YUL - LHR
Nonstop6h 40mMultiple Airlines
Deal found 28/12£477
Wed 31/1210:25LHR - YUL
2 stops19h 07mAir Canada
Sun 11/119:30YUL - LHR
Nonstop6h 40mAir Canada
Deal found 28/12£479
Wed 31/1210:25LHR - YUL
2 stops19h 07mAir Canada
Fri 9/116:50YUL - LHR
2 stops13h 30mAir Canada
Deal found 28/12£484
Mon 29/1218:40LHR - YUL
1 stop25h 30mMultiple Airlines
Tue 6/109:10YUL - LHR
2 stops15h 45mMultiple Airlines
Deal found 29/12£491
Mon 29/1213:25LHR - YUL
Nonstop7h 45mAir Canada
Tue 6/116:50YUL - LHR
2 stops46h 45mAir Canada
Deal found 29/12£494
Tue 30/1209:15LCY - YUL
1 stop10h 55mMultiple Airlines
Wed 14/117:55YUL - LCY
1 stop10h 10mMultiple Airlines
Deal found 28/12£503
Mon 29/1218:40LGW - YUL
1 stop25h 30mSWISS
Tue 6/116:45YUL - LGW
1 stop20h 05mSWISS
Deal found 29/12£539

Find flight deals from London to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 December 2025.

Round-trip from

£413

One-way from

£296

Popular in

December

Cheapest in

February

Average price

£607

Good round-trip deal

£392 or less

Good one-way deal

£482 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 5/3-15/3
  • 2 total stops
  • 46h 15m total
  • London to Montreal
Search Deals
Air Transat
  • Air Transat
  • 17/6
  • Nonstop
  • 7h 40m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Montreal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 December 2025.
Use the filters below to find and compare flights from London to Montreal that are best for you.

Fly from

London

Fly to

Montreal

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 13/2

06:50-15:16

2 stops37h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

15:00-10:50

2 stops14h 50m

£413

LondonMontreal

LCY - YUL

LCYYUL

London City

Tue 27/1

09:15-15:10

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 17/2

13:10-09:15

2 stops15h 05m

£413

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 20/5

12:05-14:20

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

22:10-10:00

Nonstop6h 50m

£414

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 23/5

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

20:35-07:55

1 stop30h 20m

£416

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 22/5

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

16:15-07:55

1 stop10h 40m

£416

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 19/5

12:40-19:20

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

22:05-09:50

Nonstop6h 45m

£416

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 19/5

12:40-19:20

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

22:05-09:50

Nonstop6h 45m

£416

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 14/2

18:00-00:32

1 stop11h 32m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

16:50-20:35

2 stops46h 45m

£418

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Thu 12/3

11:40-00:35

1 stop16h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

17:25-09:45

1 stop12h 20m

£419

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 7/3

11:40-08:20

1 stop25h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 14/3

19:25-09:45

1 stop10h 20m

£419

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 60 results
1
2
3
...
6

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?

Use this chart to determine the optimal time to book a return flight from London to Montreal. Price data was last updated on 26 December 2025.

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, May is the cheapest month in which you can book a flight from London to Montreal (average of £257). Flying from London to Montreal in December is currently the most expensive (average of £378). 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?

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 30 December 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Montreal as you normally would.

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 30 December 2025.

The most flights from LON to YMQ are scheduled on a Monday (16 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost for a return flight from London to Montreal?

What’s the top stopover airport for flights from London to Montreal?

Share of one-stop return flights from London to Montreal chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Toronto (YYZ) – chosen by Cheapflights users on 40% of one-stop itineraries from London to Montreal on Cheapflights.

What’s the cheapest stopover airport for flights from London to Montreal?

Average return fare for one-stop flights from London to Montreal, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £283.

What’s the fastest stopover option from London to Montreal?

Shortest average travel time for one-stop one-way flights from London to Montreal, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Brussels (BRU) have the shortest average one-way travel time for one-stop routes: 9h 50m.

Which airport typically offers the quickest stopover for flights from London to Montreal?

Average stopover duration for one-stop one-way flights from London to Montreal, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 0h 53m.

How often are flights from London to Montreal delayed?

About 11% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 146 minutes.

What is the most punctual flight time for London to Montreal flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Montreal flights?

Over the past year, Air Canada have had the lowest number of delays on this route, with just 7% of flights being delayed.

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montreal. Reviews last updated 30 December 2025.
Read reviews from past customers who have flown with Air Transat, American Airlines, andAir Canada from London to Montreal. 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.
Air Transat
7.7
Good
486 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
486 reviews
Air Transat
7.7
Good
486 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
American Airlines
7.2
Good
11,071 reviews
Air Transat
7.7
Good
486 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,564 reviews
Air Transat
7.7
Good
486 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
7,662 reviews
Air Transat
7.7
Good
486 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
British Airways
6.7
Okay
7,622 reviews
Air Transat
7.7
Good
486 reviews
Check prices

Boarding

7.9

Crew

8.4

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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.

  • How long is the flight from London to Montreal?

    Airlines like United Airlines, Lufthansa, and Air Transat fly from London to Montreal in about 7h 15m. The time it takes to get you to your destination can typically vary by up to 30h 11m. London and Montreal are separated by a distance of 3239 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Air France (£96), Air Transat (£294), and United Airlines (£325) offers the cheapest pricing from London to Montreal. Air France is priced at 78% 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 £206 on Air Transat. Other airlines that offer cheap prices include Virgin Atlantic from £276 and TAP AIR PORTUGAL from £352 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 (99%), Austrian Airlines (99%) and United Airlines (99%).

  • What are the cheapest flights from London to Montreal?

    Looking for the cheapest flight from London to Montreal? While on average our users pay £1,318, our data indicates the cheapest price to be £301. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £295.

  • 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, May is the cheapest month in which you can book a flight from London to Montreal (average of £257). Flying from London to Montreal in December is currently the most expensive (average of £378). 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

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

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 30 December 2025.
Air Canada flights from London to Montreal
Air Transat flights from London to Montreal
British Airways flights from London to Montreal

Top 9 airlines flying from London to Montreal

Discover the top 9 airlines that operate flights from London to Montreal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£96Average£414FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapest£294Average£460FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapest£325Average£491FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£364Average£494FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£366Average£499FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£374Average£514FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£396Average£627FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£422Average£719FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£508Average£566FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

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 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.

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.