Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Montreal from £246

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YMQ
6 Dec — 13 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 87 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 6 November 2025.

Round-trip from

£394

One-way from

£246

Popular in

December

Cheapest in

September

Average price

£484

Good round-trip deal

£510 or less

Good one-way deal

£378 or less
16/1-18/1
  • 16/1-18/1
  • 2 total stops
  • 32h 05m total
  • London to Montreal
Search Deals
25/11
  • 25/11
  • 1 total stop
  • 30h 05m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£25 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 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 6 November 2025.

Sun 7/1208:30LGW - YUL
1 stop16h 10mMultiple Airlines
Sun 11/121:40YUL - LGW
1 stop15h 55mMultiple Airlines
Deal found 3/11£389
Thu 4/1209:00LHR - YUL
1 stop11h 10mAir Canada
Tue 9/1220:10YUL - LHR
2 stops19h 25mAir Canada
Deal found 5/11£397
Thu 13/1106:00LHR - YUL
1 stop12h 45mAir Canada
Sat 22/1122:30YUL - LHR
2 stops17h 05mAir Canada
Deal found 5/11£400
Sun 9/1113:40LTN - YUL
1 stop28h 00mMultiple Airlines
Sun 23/1120:10YUL - LTN
1 stop15h 25mMultiple Airlines
Deal found 4/11£401
Sun 23/1108:30LGW - YUL
1 stop16h 10mMultiple Airlines
Fri 28/1121:40YUL - LGW
1 stop16h 45mMultiple Airlines
Deal found 3/11£406
Sun 9/1113:40LTN - YUL
1 stop28h 00mMultiple Airlines
Tue 25/1120:10YUL - LTN
1 stop13h 45mMultiple Airlines
Deal found 4/11£406
Thu 4/1211:40LGW - YUL
1 stop15h 45mAir Transat
Tue 9/1210:35YUL - LGW
1 stop18h 10mAir Transat
Deal found 5/11£407
Thu 4/1206:00LHR - YUL
1 stop12h 45mMultiple Airlines
Tue 9/1219:30YUL - LHR
Nonstop6h 40mMultiple Airlines
Deal found 5/11£410
Fri 12/1210:40LGW - YUL
1 stop14h 35mTAP AIR PORTUGAL
Fri 16/121:45YUL - LGW
2 stops29h 35mTAP AIR PORTUGAL
Deal found 3/11£410
Mon 1/1218:45LTN - YUL
2 stops22h 15mMultiple Airlines
Sun 7/1216:45YUL - LTN
2 stops24h 10mMultiple Airlines
Deal found 4/11£410
Fri 5/1206:50STN - YUL
1 stop18h 25mMultiple Airlines
Mon 8/1221:45YUL - STN
1 stop21h 10mMultiple Airlines
Deal found 5/11£413
Mon 1/1212:05LHR - YUL
2 stops36h 48mAir Canada
Sun 7/1210:30YUL - LHR
2 stops17h 50mAir Canada
Deal found 4/11£413

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 6 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

LHR - YUL

LHRYUL

London Heathrow

Thu 5/2

13:45-15:10

1 stop30h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

22:30-20:35

2 stops17h 05m

£404

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Wed 21/1

14:40-12:40

1 stop27h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

20:10-16:55

1 stop15h 45m

£407

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Mon 1/12

18:45-12:00

2 stops22h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

16:45-21:55

2 stops24h 10m

£410

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 5/5

21:45-17:20

1 stop24h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

23:45-17:20

1 stop12h 35m

£414

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Mon 9/2

18:35-13:45

2 stops24h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

21:25-14:35

1 stop12h 10m

£414

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Thu 27/11

15:30-12:00

2 stops25h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

18:15-10:25

1 stop11h 10m

£414

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Wed 26/11

07:00-13:45

2 stops35h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 9/12

15:00-10:25

2 stops14h 25m

£417

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 4/12

09:00-15:10

1 stop11h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

19:00-20:35

2 stops20h 35m

£423

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Fri 16/1

13:55-18:20

2 stops33h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

17:10-14:35

2 stops16h 25m

£424

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Thu 4/12

11:40-22:25

1 stop15h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

10:35-09:45

1 stop18h 10m

£446

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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 31 October 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 £266). Flying from London to Montreal in December is currently the most expensive (average of £407). 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 6 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 6 November 2025.

The most flights from LON to YMQ are scheduled on a Wednesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 £309.

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 6 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
470 reviews
Check prices

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

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
470 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

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
1,335 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

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
10,408 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

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
7,555 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

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
7,496 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

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 Canada, Air Transat, and SWISS fly from London to Montreal in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 16h 15m. 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 (£267), and Air Transat (£304) 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 £276 on Virgin Atlantic. Other airlines that offer cheap prices include Air France from £291 and Delta from £305 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 (93%), Thai Airways (91%) and MEA (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 £1,149, our data indicates the cheapest price to be £225. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around £377.

  • 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 £266). Flying from London to Montreal in December is currently the most expensive (average of £407). 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 6 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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£99Average£463FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£267Average£705FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air TransatCheapest£304Average£475FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapest£336Average£508FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapest£346Average£557FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£377Average£507FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£385Average£529FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£388Average£539FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£410Average£602FlexibilityNo 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.