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Cheap flights from Montreal to the United Kingdom from C$ 312

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LHR
4 Apr — 11 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 5 March 2026.

Sun 17/57:20 p.m.
YUL
-
GLA
1 stop9h 20m
Multiple Airlines
Mon 25/59:45 p.m.
GLA
-
YUL
2 stops25h 35m
Multiple Airlines
Deal found 28/2C$ 675
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 28/2C$ 683
Fri 6/39:45 p.m.
YUL
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Sun 15/310:40 a.m.
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 2/3C$ 685
Tue 5/55:10 p.m.
YUL
-
STN
2 stops24h 10m
Multiple Airlines
Wed 13/58:30 a.m.
STN
-
YUL
2 stops21h 07m
Multiple Airlines
Deal found 2/3C$ 687
Sun 8/310:45 p.m.
YUL
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Sun 15/310:40 a.m.
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 1/3C$ 687
Mon 1/610:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Sun 7/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 2/3C$ 689
Fri 5/610:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Sun 7/66:00 a.m.
LHR
-
YUL
1 stop20h 10m
TAP AIR PORTUGAL
Deal found 28/2C$ 693
Fri 5/610:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 8/611:20 a.m.
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 28/2C$ 694
Sun 17/57:20 p.m.
YUL
-
GLA
1 stop9h 20m
Multiple Airlines
Tue 26/58:20 a.m.
GLA
-
YUL
2 stops15h 00m
Multiple Airlines
Deal found 1/3C$ 696
Mon 1/610:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 8/68:00 a.m.
LHR
-
YUL
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 1/3C$ 696
Fri 5/610:45 p.m.
YUL
-
LGW
1 stop11h 55m
TAP AIR PORTUGAL
Wed 10/610:35 a.m.
LGW
-
YUL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 28/2C$ 697
Wed 27/510:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Sun 7/611:20 a.m.
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 28/2C$ 697

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 5 March 2026.

Round-trip from

C$ 675

One-way from

C$ 312

Popular in

December

Cheapest in

May

Average price

C$ 954

Good round-trip deal

C$ 115 or less

Good one-way deal

C$ 75 or less
17/5-25/5
  • 17/5-25/5
  • 3 total stops
  • 34h 55m total
  • Montreal to United Kingdom
Search Deals
WestJet
  • WestJet
  • 20/6
  • 1 total stop
  • 9h 50m total
  • Montreal to United Kingdom
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 17 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 March 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 5 March 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

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

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

1 stop30h 20m

London Gatwick

Sun 24/5

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

Nonstop7h 40m

C$ 748

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

9:30 p.m.-1:05 p.m.

1 stop10h 35m

London Luton

Tue 12/5

7:10 p.m.-2:00 p.m.

1 stop23h 50m

C$ 765

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

11:45 p.m.-7:55 a.m.

1 stop27h 10m

London Southend

Tue 23/6

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

1 stop15h 50m

C$ 772

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

9:30 p.m.-10:25 p.m.

1 stop19h 55m

London Luton

Tue 12/5

7:10 p.m.-2:00 p.m.

1 stop23h 50m

C$ 774

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

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

1 stop18h 10m

London Luton

Wed 3/6

7:20 p.m.-2:00 p.m.

1 stop23h 40m

C$ 790

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

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

1 stop32h 00m

London Luton

Wed 8/4

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

1 stop22h 30m

C$ 791

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

6:50 p.m.-10:15 p.m.

1 stop22h 25m

London Luton

Thu 28/5

7:30 p.m.-11:35 a.m.

1 stop21h 05m

C$ 804

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

9:30 p.m.-10:25 p.m.

1 stop19h 55m

London Luton

Tue 16/6

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

1 stop21h 25m

C$ 810

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

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

1 stop10h 25m

London Gatwick

Sun 3/5

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

Nonstop7h 40m

C$ 861

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

3:30 p.m.-10:40 a.m.

2 stops14h 10m

London Heathrow

Tue 12/5

9:30 a.m.-6:12 p.m.

2 stops13h 42m

C$ 865

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

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$ 825). 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 5 March 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.

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 5 March 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
421 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

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
421 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

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
518 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

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
10,776 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

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
7,823 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

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
7,774 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

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 14h 10m. Air Transat provides one of the quickest options available for as low as C$ 865. The distance from Montreal to United Kingdom is about 5213 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$ 313. 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 Stansted.

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

    Consider Aegean Airlines (77%), Egyptair (65%) or Thai Airways (65%) 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$ 1,515 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 781 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 642.

  • 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$ 825). 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 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 649AverageC$ 1,015FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 674AverageC$ 730FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 689AverageC$ 963FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 723AverageC$ 1,204FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 743AverageC$ 1,100FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 750AverageC$ 1,047FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 757AverageC$ 1,223FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 769AverageC$ 978FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapestC$ 784AverageC$ 1,080FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
WestJetCheapestC$ 831AverageC$ 1,101FlexibilityNo 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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