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Cheap flights from Montreal to the United Kingdom from C$ 350

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LHR
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to United Kingdom
Explore the most affordable flight options available from Montreal to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Thu 10/911:40 p.m.
YUL
-
LGW
1 stop18h 25m
Multiple Airlines
Thu 17/96:00 a.m.
LGW
-
YUL
1 stop15h 05m
Multiple Airlines
Deal found 31/7C$ 730
Tue 15/95:55 p.m.
YUL
-
LTN
1 stop15h 05m
Multiple Airlines
Tue 22/98:00 a.m.
LTN
-
YUL
2 stops22h 51m
Multiple Airlines
Deal found 1/8C$ 734
Thu 10/910:45 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Mon 21/95:55 a.m.
STN
-
YUL
2 stops20h 15m
Multiple Airlines
Deal found 31/7C$ 736
Fri 6/118:30 p.m.
YUL
-
LGW
1 stop12h 15m
Multiple Airlines
Fri 13/115:20 p.m.
LGW
-
YUL
1 stop25h 05m
Multiple Airlines
Deal found 3/8C$ 736
Thu 10/98:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Mon 21/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 31/7C$ 738
Fri 18/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Fri 25/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 31/7C$ 740
Wed 14/104:40 p.m.
YUL
-
LTN
2 stops21h 20m
Multiple Airlines
Thu 29/107:15 a.m.
LTN
-
YUL
1 stop12h 25m
Multiple Airlines
Deal found 2/8C$ 741
Thu 24/910:45 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Thu 1/106:00 a.m.
STN
-
YUL
2 stops20h 10m
Multiple Airlines
Deal found 30/7C$ 744
Tue 15/95:55 p.m.
YUL
-
LGW
1 stop12h 45m
Multiple Airlines
Tue 22/96:00 a.m.
LGW
-
YUL
2 stops24h 51m
Multiple Airlines
Deal found 1/8C$ 744
Mon 7/910:45 p.m.
YUL
-
LTN
2 stops15h 20m
Multiple Airlines
Thu 17/98:00 a.m.
LTN
-
YUL
2 stops18h 10m
Multiple Airlines
Deal found 31/7C$ 745
Wed 9/910:45 p.m.
YUL
-
LGW
2 stops19h 20m
Multiple Airlines
Wed 16/96:00 a.m.
LGW
-
YUL
2 stops19h 45m
Multiple Airlines
Deal found 30/7C$ 747
Thu 10/910:45 p.m.
YUL
-
LGW
2 stops19h 20m
Multiple Airlines
Mon 21/96:00 a.m.
LGW
-
YUL
2 stops20h 10m
Multiple Airlines
Deal found 31/7C$ 748

Find flight deals from Montreal to United Kingdom

Keep the following information in mind while searching for Montreal to United Kingdom flight deals. Data was last updated 4 August 2026.

Round-trip from

C$ 730

One-way from

C$ 350

Popular in

December

Cheapest in

November

Average price

C$ 1,077

Good round-trip deal

C$ 766 or less

Good one-way deal

C$ 398 or less
10/9-17/9
  • 10/9-17/9
  • 2 total stops
  • 33h 30m total
  • Montreal to United Kingdom
Search Deals
WestJet
  • WestJet
  • 13/9
  • 1 total stop
  • 21h 55m total
  • Montreal to United Kingdom
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to United Kingdom.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to United Kingdom.
Search Deals

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 629,999 searches. Data last updated 4 August 2026.
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

Cheapest round-trip

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

11:40 p.m.-7:00 p.m.

1 stop14h 20m

London Luton

Sat 24/10

6:20 a.m.-4:05 p.m.

1 stop14h 45m

C$ 773

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

11:45 p.m.-9:45 p.m.

1 stop17h 00m

London Southend

Tue 13/10

6:30 a.m.-5:20 p.m.

1 stop15h 50m

C$ 795

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

6:50 p.m.-10:45 a.m.

1 stop10h 55m

London Southend

Mon 21/9

11:10 a.m.-11:35 a.m.

1 stop29h 25m

C$ 796

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

9:30 p.m.-2:40 p.m.

1 stop12h 10m

London Luton

Tue 15/9

7:10 p.m.-11:35 a.m.

1 stop21h 25m

C$ 797

MontrealManchester

YUL - MAN

YULMAN

Montreal Pierre Elliott Trudeau Intl

Sun 20/9

6:50 p.m.-10:40 a.m.

1 stop10h 50m

Manchester

Sun 27/9

7:10 p.m.-11:35 a.m.

1 stop21h 25m

C$ 810

MontrealManchester

YUL - MAN

YULMAN

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

6:50 p.m.-10:30 p.m.

1 stop22h 40m

Manchester

Sat 26/9

6:40 p.m.-11:35 a.m.

1 stop21h 55m

C$ 811

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

8:35 p.m.-10:45 a.m.

1 stop9h 10m

London Gatwick

Thu 29/10

11:40 a.m.-10:20 p.m.

1 stop14h 40m

C$ 824

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 27/11

6:45 a.m.-9:45 a.m.

1 stop22h 00m

London Gatwick

Sat 5/12

11:40 a.m.-12:35 a.m.

1 stop17h 55m

C$ 844

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

3:10 p.m.-7:55 a.m.

1 stop11h 45m

London Gatwick

Wed 14/10

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 880

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

8:30 p.m.-11:50 a.m.

1 stop10h 20m

London Heathrow

Tue 15/9

12:05 p.m.-6:52 p.m.

1 stop11h 47m

C$ 917

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Montreal to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Montreal with our price prediction graph.
Estimated round-trip 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 Montreal to the United Kingdom

What is the cheapest month to book a flight from Montreal to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Montreal to United Kingdom (average of C$ 882). Flying from Montreal to United Kingdom in December is currently the most expensive (average of C$ 1,296). 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 YMQ to GB?

Find hourly flight availability from Montreal to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 August 2026.

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

Weekly flight availability from Montreal to United Kingdom

Explore weekly flight availability from Montreal to United Kingdom. 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 4 August 2026.

The most flights from YMQ to GB0 are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

How often are flights from Montreal to the United Kingdom delayed?

About 22% of weekly flights between Montreal and United Kingdom have experienced delays in the past year, with the average delay time being 153 minutes.

What is the most punctual flight time for Montreal to the United Kingdom 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?

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

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

Over the past year, Air Transat has had the lowest number of delays on this route, with just 13% of flights being delayed.

How far ahead should I book a flight from Montreal to United Kingdom?

The best time to book flights from Montreal to United Kingdom is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 4 August 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAir Canada from Montreal to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
450 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
569 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,425 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Lufthansa
6.8
Okay
8,176 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
British Airways
6.7
Okay
8,150 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Entertainment

6.9

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Montreal to United Kingdom. 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 Montreal to United Kingdom?

    A quick flight from Montreal to United Kingdom can take about 9h 10m. Air Transat provides one of the quickest options available for as low as C$ 824. The distance from Montreal to United Kingdom is about 5243 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Montreal to United Kingdom one-way?

    The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as C$ 318. However, be on the lookout for offers from WestJet and TAP AIR PORTUGAL, as they are both options that can get you from Montreal to United Kingdom for a low price.

  • What are the most popular routes from Montreal to United Kingdom?

    The most popular flight routes from Montreal to United Kingdom are Montreal Pierre Elliott Trudeau Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Gatwick and Montreal Pierre Elliott Trudeau Intl - London Stansted.

  • What are the most reliable airlines from Montreal to United Kingdom?

    Consider Egyptair (65%), American Airlines (61%) or Aer Lingus (61%) when booking your flight. These represent the most reliable airlines when flying from Montreal to United Kingdom.

  • What are the cheapest flights from Montreal to United Kingdom?

    On average you can expect to pay C$ 2,317 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 601 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 751.

  • Can I find deals for flights from Montreal to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Montreal to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to United Kingdom.

  • Can I find deals for business class flights from Montreal to United Kingdom?

    Yes. Cheapflights offers flight deals from Montreal to United Kingdom 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 Montreal to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Montreal to United Kingdom (average of C$ 882). Flying from Montreal to United Kingdom in December is currently the most expensive (average of C$ 1,296). 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

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Alternative routes for Montreal to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Montreal to United Kingdom

Discover the top 10 airlines that operate flights from Montreal to United Kingdom. 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 629,999 searches. Data last updated 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapestC$ 552AverageC$ 615FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapestC$ 563AverageC$ 833FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 677AverageC$ 1,130FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 718AverageC$ 920FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 737AverageC$ 968FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 769AverageC$ 1,264FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 770AverageC$ 1,191FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 788AverageC$ 1,170FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapestC$ 790AverageC$ 986FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapestC$ 957AverageC$ 1,133FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to United Kingdom?

Cheapflights makes it easy to find Montreal to United Kingdom flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Montreal to United Kingdom?

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 Montreal to United Kingdom.

Can Cheapflights find flights from Montreal to United Kingdom with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to United Kingdom, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Montreal to United Kingdom become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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