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Cheap flights from Montreal to the United Kingdom from £155

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to the United Kingdom departing on 17/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Montreal to the United Kingdom

Cheap return flights

Air Transat Logo
10:00 - 10:45YUL-LGW
19h 45m1 stop
Air Transat Logo
11:40 - 09:40LGW-YUL
26h 00m1 stop
£389Air Transat
Find Deal
Sun, 12 Oct - Fri, 31 Oct
Air Transat Logo
14:30 - 09:45YUL-LGW
14h 15m1 stop
Air Transat Logo
11:40 - 18:25LGW-YUL
11h 45m1 stop
£391Air Transat
Find Deal
Wed, 11 Feb - Sat, 21 Feb
Porter Airlines Logo
17:25 - 09:45YUL-LGW
11h 20m1 stop
Porter Airlines Logo
11:40 - 22:10LGW-YUL
15h 30m1 stop
£394Porter Airlines
Find Deal
Wed, 5 Nov - Tue, 11 Nov
Air Canada Logo
20:05 - 21:00YUL-LHR
19h 55m1 stop
Air Canada Logo
06:50 - 11:35LHR-YUL
9h 45m1 stop
£404Air Canada
Find Deal
Mon, 6 Oct - Tue, 14 Oct
Air Canada Logo
20:05 - 21:00YUL-LHR
19h 55m1 stop
Air Canada Logo
06:50 - 11:35LHR-YUL
9h 45m1 stop
£407Air Canada
Find Deal
Mon, 6 Oct - Tue, 14 Oct
Porter Airlines Logo
06:45 - 10:45YUL-LGW
23h 00m1 stop
Porter Airlines Logo
12:40 - 19:20LGW-YUL
11h 40m1 stop
£408Porter Airlines
Find Deal
Wed, 8 Oct - Tue, 14 Oct
British Airways Logo
20:40 - 12:50YUL-GLA
11h 10m1 stop
British Airways Logo
11:35 - 18:45GLA-YUL
12h 10m1 stop
£438British Airways
Find Deal
Wed, 4 Feb - Mon, 16 Feb
British Airways Logo
20:40 - 14:50YUL-BHD
13h 10m1 stop
British Airways Logo
15:10 - 18:45BHD-YUL
32h 35m1 stop
£450British Airways
Find Deal
Tue, 18 Nov - Sun, 30 Nov
American Airlines Logo
22:10 - 14:15YUL-GLA
11h 05m1 stop
American Airlines Logo
14:00 - 09:50GLA-YUL
23h 50m2 stops
£454American Airlines
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Wed, 15 Oct - Mon, 27 Oct
American Airlines Logo
22:10 - 14:15YUL-GLA
11h 05m1 stop
American Airlines Logo
12:45 - 09:50GLA-YUL
25h 05m2 stops
£455American Airlines
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Wed, 15 Oct - Tue, 28 Oct

Air Canada flights from Montreal to United Kingdom

Our best Air Canada deals on Montreal to United Kingdom flight tickets
Air Canada
6 Oct
YUL20:05Montreal Pierre Elliott Trudeau Intl
19h 55m
1 stop
LHR21:00London Heathrow
14 Oct
LHR06:50London Heathrow
9h 45m
1 stop
YUL11:35Montreal Pierre Elliott Trudeau Intl
£404
Find similar
Air Canada
6 Oct
YUL20:05Montreal Pierre Elliott Trudeau Intl
19h 55m
1 stop
LHR21:00London Heathrow
14 Oct
LHR06:50London Heathrow
9h 45m
1 stop
YUL11:35Montreal Pierre Elliott Trudeau Intl
£407
Find similar
Air Canada
1 Oct
YUL21:55Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR09:35London Heathrow
1 Dec
LHR09:00London Heathrow
11h 10m
1 stop
YUL15:10Montreal Pierre Elliott Trudeau Intl
£414
Find similar

United Airlines flights from Montreal to United Kingdom

Our best United Airlines deals on Montreal to United Kingdom flight tickets
United Airlines
23 Sept
YUL15:41Montreal Pierre Elliott Trudeau Intl
13h 59m
2 stops
LHR10:40London Heathrow
1 Oct
LHR06:50London Heathrow
15h 10m
2 stops
YUL17:00Montreal Pierre Elliott Trudeau Intl
£459
Find similar
United Airlines
3 Nov
YUL20:00Montreal Pierre Elliott Trudeau Intl
30h 55m
2 stops
EDI07:55Edinburgh Turnhouse
17 Nov
EDI09:25Edinburgh Turnhouse
13h 30m
2 stops
YUL17:55Montreal Pierre Elliott Trudeau Intl
£473
Find similar
United Airlines
28 Oct
YUL08:30Montreal Pierre Elliott Trudeau Intl
18h 25m
2 stops
EDI06:55Edinburgh Turnhouse
3 Nov
EDI12:30Edinburgh Turnhouse
24h 02m
2 stops
YUL07:32Montreal Pierre Elliott Trudeau Intl
£474
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Montreal to United Kingdom 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, momondo users made 279,928 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Montreal to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

10:00-10:45

1 stop19h 45m

London Gatwick

Fri 31/10

11:40-09:40

1 stop26h 00m

£389

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

14:30-09:45

1 stop14h 15m

London Gatwick

Sat 21/2

11:40-18:25

1 stop11h 45m

£391

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

17:25-09:45

1 stop11h 20m

London Gatwick

Tue 11/11

11:40-22:10

1 stop15h 30m

£394

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

20:05-21:00

1 stop19h 55m

London Heathrow

Tue 14/10

06:50-11:35

1 stop9h 45m

£404

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

20:05-21:00

1 stop19h 55m

London Heathrow

Tue 14/10

06:50-11:35

1 stop9h 45m

£407

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

06:45-10:45

1 stop23h 00m

London Gatwick

Tue 14/10

12:40-19:20

1 stop11h 40m

£408

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

20:40-12:50

1 stop11h 10m

Glasgow Intl

Mon 16/2

11:35-18:45

1 stop12h 10m

£438

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

20:40-14:50

1 stop13h 10m

Belfast City

Sun 30/11

15:10-18:45

1 stop32h 35m

£450

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

22:10-14:15

1 stop11h 05m

Glasgow Intl

Mon 27/10

14:00-09:50

2 stops23h 50m

£454

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

22:10-14:15

1 stop11h 05m

Glasgow Intl

Tue 28/10

12:45-09:50

2 stops25h 05m

£455

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Montreal to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Montreal is in May. Flight prices, which tend to average around £438, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of May, then departing from Montreal during the month October is also very affordable. Most momondo users find prices during this month for around £473.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Montreal to United Kingdom is on a Sunday. Travellers who choose to depart for United Kingdom on a Sunday will often find tickets for as low as £465. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to United Kingdom for around £609.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £526. Try not to purchase tickets at midday because they tend to be around £622. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Montreal to United Kingdom flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to London Gatwick for the best Montreal - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £543 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Montreal for as low as £500 on momondo.

What cabin class options are available on Montreal to United Kingdom flights?

There are 3 cabin classes available to choose from on Montreal to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal to United Kingdom flights?

You could potentially save up to 8% on your flight if you consider stops on a Montreal to United Kingdom flight.

Cheap Montreal to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to United Kingdom

Best price found

£534

Fastest flight time

6h 35m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from Montreal in the past 72 hours is £534. The best return flight deal from Montreal to United Kingdom found on momondo in the last 72 hours is £458.
The fastest flight from Montreal to United Kingdom takes 6h 35m
Direct flights go from Montreal to United Kingdom every day.
There are 2 airports near United Kingdom: London Heathrow (LHR), London Gatwick (LGW)
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  • When did momondo last update prices for flights from Montreal to United Kingdom?

    Prices for flights from Montreal to United Kingdom are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montreal to United Kingdom?

  • How old do you have to be to fly from Montreal to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Montreal to United Kingdom?

Best airlines flying from Montreal to United Kingdom

Compare and see reviews for airlines that fly from Montreal to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom £380Free CancellationRating
7.7
438 reviews
Search Air Transat flights
Air CanadaPriceFrom £392Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
British AirwaysPriceFrom £415Free CancellationRating
6.7
7,363 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to United Kingdom?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to United Kingdom with flexible booking policies on momondo?

All flight searches from Montreal to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Montreal to United Kingdom?

Once you have performed a search for Montreal to United Kingdom flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Montreal to United Kingdom right now. Can momondo alert me if prices change?

Price alerts on flights to United Kingdom from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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