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Cheap flights from Montreal to the United Kingdom from C$ 328

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LHR
28 Mar — 4 Apr1
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 26 February 2026.

Mon 8/610:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Thu 18/67:50 p.m.
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 23/2C$ 673
Mon 1/610:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Sun 14/66:00 a.m.
LHR
-
YUL
1 stop20h 10m
TAP AIR PORTUGAL
Deal found 22/2C$ 675
Mon 25/510:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Mon 1/68:00 a.m.
LHR
-
YUL
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 22/2C$ 679
Mon 15/610:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Mon 22/61:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 22/2C$ 680
Wed 20/57:20 p.m.
YUL
-
EDI
1 stop9h 50m
Multiple Airlines
Tue 26/56:15 a.m.
EDI
-
YUL
2 stops17h 05m
Multiple Airlines
Deal found 23/2C$ 682
Mon 18/510:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Wed 17/610:35 a.m.
LGW
-
YUL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 25/2C$ 682
Mon 20/410:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 29/46:00 a.m.
LHR
-
YUL
1 stop19h 45m
TAP AIR PORTUGAL
Deal found 24/2C$ 682
Mon 15/65:10 p.m.
YUL
-
STN
2 stops21h 15m
Multiple Airlines
Mon 22/68:30 a.m.
STN
-
YUL
2 stops16h 02m
Multiple Airlines
Deal found 25/2C$ 683
Mon 1/610:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Wed 10/610:35 a.m.
LGW
-
YUL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 24/2C$ 683
Mon 18/510:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 17/611:20 a.m.
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 25/2C$ 683
Mon 20/410:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Tue 28/47:50 p.m.
LHR
-
YUL
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 25/2C$ 686
Mon 20/411:00 p.m.
YUL
-
STN
2 stops20h 55m
Multiple Airlines
Wed 29/410:00 p.m.
STN
-
YUL
2 stops31h 25m
Multiple Airlines
Deal found 25/2C$ 687

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 26 February 2026.

Round-trip from

C$ 673

One-way from

C$ 328

Popular in

December

Cheapest in

May

Average price

C$ 961

Good round-trip deal

C$ 119 or less

Good one-way deal

C$ 75 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 8/6-18/6
  • 2 total stops
  • 48h 35m total
  • Montreal to United Kingdom
Search Deals
WestJet
  • WestJet
  • 17/5
  • 1 total stop
  • 21h 40m total
  • Montreal to United Kingdom
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 26 February 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

MontrealManchester

YUL - MAN

YULMAN

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

7:20 p.m.-9:55 p.m.

2 stops21h 35m

Manchester

Sun 21/6

9:45 p.m.-12:25 a.m.

2 stops31h 40m

C$ 760

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

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

1 stop10h 25m

London Gatwick

Wed 6/5

12:40 p.m.-12:37 a.m.

1 stop16h 57m

C$ 779

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Sun 31/5

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

Nonstop7h 40m

C$ 781

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

8:35 p.m.-7:55 a.m.

1 stop30h 20m

London Gatwick

Thu 28/5

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 784

MontrealManchester

YUL - MAN

YULMAN

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

8:25 p.m.-7:50 a.m.

1 stop30h 25m

Manchester

Mon 27/4

7:00 p.m.-12:50 p.m.

1 stop22h 50m

C$ 788

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

9:10 p.m.-2:10 p.m.

1 stop13h 00m

London Luton

Wed 1/4

7:20 p.m.-12:50 p.m.

1 stop22h 30m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

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

1 stop10h 25m

London Gatwick

Wed 6/5

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

Nonstop7h 40m

C$ 806

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

9:10 p.m.-2:10 p.m.

1 stop13h 00m

London Luton

Thu 2/4

7:30 p.m.-12:50 p.m.

1 stop22h 20m

C$ 818

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

8:25 p.m.-10:35 p.m.

1 stop21h 10m

London Luton

Wed 29/4

6:00 a.m.-12:50 p.m.

1 stop11h 50m

C$ 820

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

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

1 stop9h 10m

London Gatwick

Sun 14/6

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

Nonstop7h 40m

C$ 861

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 256). Flying from Montreal to United Kingdom in August is currently the most expensive (average of C$ 827). 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 26 February 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 26 February 2026.

The most flights from YMQ to GB0 are scheduled on a Wednesday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 on average).

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

About 21% of weekly flights between Montreal and United Kingdom have experienced delays in the past year, with the average delay time being 152 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 Sunday 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 11% 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 26 February 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
419 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Transat
7.7
Good
513 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,748 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Lufthansa
6.8
Okay
7,814 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
British Airways
6.7
Okay
7,770 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 6h 45m. Porter Airlines provides one of the quickest options available for as low as C$ 781. 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$ 314. 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 Aegean Airlines (65%), Air Canada (55%) or Austrian Airlines (55%) 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$ 1,545 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 678 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 664.

  • 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$ 256). Flying from Montreal to United Kingdom in August is currently the most expensive (average of C$ 827). 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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 650AverageC$ 1,014FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 675AverageC$ 731FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 690AverageC$ 964FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 724AverageC$ 1,201FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 745AverageC$ 1,102FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 751AverageC$ 1,049FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 758AverageC$ 1,225FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 770AverageC$ 1,013FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapestC$ 785AverageC$ 1,082FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
WestJetCheapestC$ 861AverageC$ 1,155FlexibilityNo 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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