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Cheap flights from Montreal to the United Kingdom from C$ 372

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LHR
1 Feb — 8 Feb1
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 2 January 2026.

Wed 31/127:30 p.m.YUL - LHR
Nonstop6h 40mAir Canada
Sat 10/19:00 a.m.LHR - YUL
1 stop27h 55mAir Canada
Deal found 31/12C$ 1,066
Wed 31/127:30 p.m.YUL - LHR
Nonstop6h 40mAir Canada
Thu 8/11:25 p.m.LHR - YUL
Nonstop7h 45mAir Canada
Deal found 31/12C$ 1,249
Wed 31/127:10 p.m.YUL - LCY
1 stop9h 50mKLM
Fri 9/19:20 a.m.LCY - YUL
1 stop13h 00mKLM
Deal found 31/12C$ 1,564
Wed 31/125:25 p.m.YUL - LGW
1 stop11h 20mAir Transat
Thu 8/111:40 a.m.LGW - YUL
1 stop26h 40mAir Transat
Deal found 31/12C$ 1,626
Wed 31/125:25 p.m.YUL - LGW
1 stop11h 20mAir Transat
Sat 10/111:40 a.m.LGW - YUL
1 stop27h 25mAir Transat
Deal found 31/12C$ 1,662
Wed 31/127:10 p.m.YUL - LHR
1 stop13h 40mAir Europa
Sun 4/16:20 a.m.LHR - YUL
1 stop10h 55mAir Europa
Deal found 30/12C$ 1,696
Wed 31/124:45 p.m.YUL - LGW
1 stop20h 05mSWISS
Fri 9/16:40 p.m.LGW - YUL
1 stop25h 30mSWISS
Deal found 31/12C$ 1,744
Wed 31/127:10 p.m.YUL - LCY
1 stop9h 20mAir Europa
Sun 4/18:05 p.m.LCY - YUL
1 stop26h 15mAir Europa
Deal found 30/12C$ 1,801
Wed 31/129:45 p.m.YUL - LGW
1 stop12h 20mTAP AIR PORTUGAL
Sat 10/110:10 a.m.LGW - YUL
2 stops30h 50mTAP AIR PORTUGAL
Deal found 31/12C$ 1,866
Wed 31/127:30 p.m.YUL - LHR
Nonstop6h 40mLufthansa
Sun 4/11:25 p.m.LHR - YUL
Nonstop7h 45mLufthansa
Deal found 30/12C$ 1,876
Wed 31/127:00 p.m.YUL - LHR
1 stop11h 20mAir Canada
Sun 4/11:25 p.m.LHR - YUL
Nonstop7h 45mAir Canada
Deal found 30/12C$ 1,938
Wed 31/124:45 p.m.YUL - SEN
2 stops14h 15mMultiple Airlines
Thu 8/16:50 a.m.SEN - YUL
1 stop14h 20mMultiple Airlines
Deal found 31/12C$ 1,945

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 2 January 2026.

Round-trip from

C$ 742

One-way from

C$ 372

Popular in

December

Cheapest in

May

Average price

C$ 919

Good round-trip deal

C$ 821 or less

Good one-way deal

C$ 544 or less
Air Transat
  • Air Transat
  • 17/1-1/2
  • 2 total stops
  • 40h 05m total
  • Montreal to United Kingdom
Search Deals
WestJet
  • WestJet
  • 29/5
  • 1 total stop
  • 22h 25m total
  • Montreal to United Kingdom
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 2 January 2026.
Use the filters below to find and compare flights from Montreal to the United Kingdom that are best for you.

Fly from

Montreal

Fly to

United Kingdom

Route

Depart

Return

Price

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

8:10 p.m.-9:50 p.m.

1 stop20h 40m

London Luton

Mon 23/2

1:20 p.m.-12:40 p.m.

1 stop28h 20m

C$ 759

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

8:10 p.m.-2:35 p.m.

1 stop13h 25m

London Luton

Sat 24/1

6:30 p.m.-12:40 p.m.

1 stop23h 10m

C$ 769

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

10:15 a.m.-9:45 a.m.

1 stop19h 30m

London Gatwick

Wed 25/3

11:40 a.m.-9:40 a.m.

1 stop26h 00m

C$ 773

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Fri 10/4

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

1 stop16h 55m

C$ 778

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

9:10 p.m.-5:45 p.m.

1 stop16h 35m

London Gatwick

Mon 23/3

4:45 p.m.-1:35 p.m.

1 stop24h 50m

C$ 793

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

6:20 p.m.-9:45 a.m.

1 stop11h 25m

London Gatwick

Mon 13/4

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

1 stop16h 55m

C$ 795

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

8:10 p.m.-2:35 p.m.

1 stop13h 25m

London Luton

Sun 22/2

6:40 p.m.-12:40 p.m.

1 stop23h 00m

C$ 795

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Tue 7/4

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

1 stop16h 55m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Mon 6/4

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

1 stop16h 55m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Sun 5/4

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

1 stop16h 55m

C$ 797

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Montreal to United Kingdom (average of C$ 257). Flying from Montreal to United Kingdom in August is currently the most expensive (average of C$ 817). 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 2 January 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 2 January 2026.

The most flights from YMQ to GB0 are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

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

About 19% of weekly flights between Montreal and United Kingdom have experienced delays in the past year, with the average delay time being 165 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?

Wednesday tends to have the lowest number of delays on this route, whereas Monday 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 7% of flights being delayed.

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 2 January 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
403 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
403 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
490 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,573 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Lufthansa
6.8
Okay
7,674 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
British Airways
6.7
Okay
7,635 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 10h 25m. Porter Airlines provides one of the quickest options available for as low as C$ 778. 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 WestJet, with whom users have recently found tickets for as low as C$ 315. However, be on the lookout for offers from Air Transat and Porter Airlines, 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 City.

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

    Consider American Airlines (54%), Aer Lingus (54%) or Finnair (54%) 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$ 1,424 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 672 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 666.

  • 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, April is the cheapest month in which you can book a flight from Montreal to United Kingdom (average of C$ 257). Flying from Montreal to United Kingdom in August is currently the most expensive (average of C$ 817). 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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 605AverageC$ 1,206FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapestC$ 628AverageC$ 1,031FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 673AverageC$ 713FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 692AverageC$ 1,041FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 706AverageC$ 1,083FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 752AverageC$ 1,214FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 753AverageC$ 1,024FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapestC$ 775AverageC$ 1,044FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapestC$ 787AverageC$ 1,085FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
WestJetCheapestC$ 838AverageC$ 1,200FlexibilityNo cancel feeOn-time60%
Search WestJet 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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