Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Montreal from £269

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YMQ
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

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 Friday and return on a Sunday

Cheap 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 20 November 2025.

Round-trip from

£410

One-way from

£269

Popular in

December

Cheapest in

September

Average price

£480

Good round-trip deal

£507 or less

Good one-way deal

£375 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 16/2-9/3
  • 2 total stops
  • 39h 10m total
  • London to Montreal
Search Deals
26/11
  • 26/11
  • 3 total stops
  • 56h 55m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£28 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 November 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

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 20 November 2025.

Tue 18/1113:45LHR - YUL
1 stop30h 25mAir Canada
Tue 25/1122:30YUL - LHR
2 stops17h 05mAir Canada
Deal found 16/11£414
Sun 23/1111:05LHR - YUL
1 stop29h 40mAir Canada
Sun 30/1110:30YUL - LHR
2 stops17h 50mAir Canada
Deal found 17/11£424
Mon 24/1118:45LTN - YUL
2 stops22h 15mMultiple Airlines
Mon 8/1221:30YUL - LTN
1 stop11h 40mMultiple Airlines
Deal found 19/11£426
Fri 21/1112:00LHR - YUL
2 stops35h 46mAir Canada
Mon 24/1119:10YUL - LHR
Nonstop7h 00mAir Canada
Deal found 17/11£428
Wed 3/1213:25LHR - YUL
Nonstop7h 45mAir Canada
Wed 10/1210:30YUL - LHR
2 stops17h 50mAir Canada
Deal found 17/11£429
Fri 21/1109:00LHR - YUL
2 stops20h 32mAir Canada
Sun 30/1122:30YUL - LHR
2 stops17h 05mAir Canada
Deal found 19/11£430
Sat 22/1106:00LHR - YUL
1 stop12h 45mMultiple Airlines
Sat 29/1121:45YUL - LHR
1 stop17h 50mMultiple Airlines
Deal found 17/11£432
Fri 21/1112:00LHR - YUL
2 stops49h 26mAir Canada
Sun 23/1119:10YUL - LHR
Nonstop7h 00mAir Canada
Deal found 19/11£433
Thu 4/1206:50LHR - YUL
2 stops13h 20mAir Canada
Wed 10/1222:30YUL - LHR
2 stops17h 05mAir Canada
Deal found 17/11£433
Tue 23/1209:00LHR - YUL
2 stops20h 32mAir Canada
Thu 8/119:30YUL - LHR
Nonstop6h 40mAir Canada
Deal found 18/11£434
Fri 21/1109:00LHR - YUL
1 stop11h 10mMultiple Airlines
Sun 23/1119:10YUL - LHR
Nonstop7h 00mMultiple Airlines
Deal found 19/11£435
Mon 1/1206:00LHR - YUL
1 stop14h 10mSWISS
Sun 7/1216:45YUL - LHR
1 stop10h 20mSWISS
Deal found 17/11£436

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 20 November 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

LGW - YUL

LGWYUL

London Gatwick

Mon 23/3

11:40-20:55

1 stop13h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

17:25-09:45

1 stop12h 20m

£425

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 23/3

11:40-20:55

1 stop13h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

18:20-09:45

1 stop11h 25m

£425

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Sat 24/1

07:15-18:20

2 stops16h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

21:25-16:55

1 stop14h 30m

£429

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 24/1

07:10-18:20

2 stops16h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

21:25-15:20

1 stop12h 55m

£433

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Wed 3/12

07:00-15:45

1 stop13h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

21:30-16:35

1 stop14h 05m

£445

LondonMontreal

STN - YUL

STNYUL

London Stansted

Thu 2/4

06:30-00:38

2 stops23h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

06:45-23:20

2 stops35h 35m

£446

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Sun 1/3

07:00-15:45

1 stop13h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

21:25-14:35

1 stop13h 10m

£449

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 3/12

06:00-15:10

1 stop14h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

16:45-08:05

1 stop10h 20m

£450

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 27/3

14:50-13:10

1 stop26h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

20:25-07:25

1 stop30h 00m

£450

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Fri 27/3

13:55-13:10

1 stop27h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

20:25-22:55

1 stop21h 30m

£455

Flights are sorted by cheapest return flights first.

Deals found on 16/11

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 14 November 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 £265). Flying from London to Montreal in December is currently the most expensive (average of £394). 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 20 November 2025.

It’s optimal to fly from London to Montreal in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at midday.

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.

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

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 20 November 2025.

The most flights from LON to YMQ are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, 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 44% 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 £307.

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 40m.

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 20 November 2025.
Read reviews from past customers who have flown with Air Transat, Finnair, 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
7.8
Good
475 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
475 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Finnair
7.6
Good
1,334 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,462 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,579 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
British Airways
6.7
Okay
7,533 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 Air Transat, SWISS, and Lufthansa fly from London to Montreal in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 2h. 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 (£99), Virgin Atlantic (£266), and Air Transat (£302) 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 £298 on Delta. Other airlines that offer cheap prices include KLM from £298 and Virgin Atlantic from £304 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 (97%), Thai Airways (96%) and MEA (96%).

  • What are the cheapest flights from London to Montreal?

    Looking for the cheapest flight from London to Montreal? While on average our users pay £1,143, our data indicates the cheapest price to be £223. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £374.

  • 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 £265). Flying from London to Montreal in December is currently the most expensive (average of £394). 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 20 November 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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£99Average£461FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£266Average£701FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air TransatCheapest£302Average£472FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapest£334Average£506FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapest£344Average£554FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£375Average£504FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£383Average£526FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£385Average£536FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£408Average£598FlexibilityNo cancel feeOn-time76%
Search Finnair 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.