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Cheap flights from Montreal to the United Kingdom from C$ 329

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LHR
21 Mar — 28 Mar1
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 19 February 2026.

Mon 15/610:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Mon 22/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 18/2C$ 667
Fri 22/510:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Fri 5/68:00 a.m.
LHR
-
YUL
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 18/2C$ 668
Tue 5/53:10 p.m.
YUL
-
STN
2 stops26h 10m
Multiple Airlines
Sun 10/56:35 a.m.
STN
-
YUL
2 stops23h 02m
Multiple Airlines
Deal found 16/2C$ 670
Fri 5/610:45 p.m.
YUL
-
LGW
1 stop11h 55m
TAP AIR PORTUGAL
Mon 15/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 18/2C$ 676
Sun 7/610:45 p.m.
YUL
-
LGW
1 stop11h 25m
TAP AIR PORTUGAL
Sun 14/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 17/2C$ 678
Wed 22/410:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Wed 29/411:20 a.m.
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 18/2C$ 678
Mon 1/611:00 a.m.
YUL
-
LTN
2 stops30h 50m
Multiple Airlines
Mon 8/68:15 a.m.
LTN
-
YUL
2 stops16h 17m
Multiple Airlines
Deal found 16/2C$ 678
Sun 7/610:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Sun 14/66:00 a.m.
LHR
-
YUL
1 stop20h 10m
TAP AIR PORTUGAL
Deal found 17/2C$ 679
Mon 1/610:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 14/61:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 15/2C$ 681
Mon 1/611:00 a.m.
YUL
-
LGW
2 stops26h 35m
Multiple Airlines
Mon 8/69:45 a.m.
LGW
-
YUL
2 stops14h 47m
Multiple Airlines
Deal found 16/2C$ 682
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 18/2C$ 683
Mon 1/610:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Wed 17/66:00 a.m.
LHR
-
YUL
1 stop19h 45m
TAP AIR PORTUGAL
Deal found 17/2C$ 683

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 19 February 2026.

Round-trip from

C$ 667

One-way from

C$ 329

Popular in

December

Cheapest in

May

Average price

C$ 955

Good round-trip deal

C$ 121 or less

Good one-way deal

C$ 405 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 15/6-22/6
  • 2 total stops
  • 27h 25m total
  • Montreal to United Kingdom
Search Deals
WestJet
  • WestJet
  • 3/5
  • 2 total stops
  • 31h 45m total
  • Montreal to United Kingdom
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% 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 19 February 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 - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

8:35 p.m.-2:40 p.m.

2 stops13h 05m

London Stansted

Wed 10/6

6:30 a.m.-7:32 p.m.

2 stops18h 02m

C$ 723

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

Nonstop6h 45m

London Gatwick

Tue 26/5

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

1 stop11h 40m

C$ 731

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

4:15 p.m.-7:55 a.m.

1 stop10h 40m

London Gatwick

Fri 22/5

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

Nonstop7h 40m

C$ 731

MontrealEdinburgh

YUL - EDI

YULEDI

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

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

1 stop22h 25m

Edinburgh Turnhouse

Tue 26/5

10:00 p.m.-12:25 a.m.

3 stops31h 25m

C$ 735

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

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

Nonstop6h 45m

London Gatwick

Wed 20/5

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

Nonstop7h 40m

C$ 739

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

Nonstop6h 45m

London Gatwick

Sun 24/5

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

Nonstop7h 40m

C$ 739

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

Mon 25/5

9:40 a.m.-5:02 p.m.

1 stop12h 22m

C$ 742

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

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

Nonstop6h 45m

London Gatwick

Fri 29/5

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

Nonstop7h 40m

C$ 745

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

7:20 p.m.-9:40 a.m.

1 stop9h 20m

Glasgow Intl

Tue 26/5

8:20 a.m.-6:20 p.m.

2 stops15h 00m

C$ 749

MontrealManchester

YUL - MAN

YULMAN

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

6:45 a.m.-4:45 p.m.

3 stops29h 00m

Manchester

Sun 21/6

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

2 stops25h 35m

C$ 754

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

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$ 256). Flying from Montreal to United Kingdom in August is currently the most expensive (average of C$ 821). 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 19 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 19 February 2026.

The most flights from YMQ to GB0 are scheduled on a Monday (16 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 20% of weekly flights between Montreal and United Kingdom have experienced delays in the past year, with the average delay time being 158 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 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 19 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
417 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

7.9

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
417 reviews
Porter Airlines
8.0
Very good
417 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

7.9

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
509 reviews
Porter Airlines
8.0
Very good
417 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

7.9

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
10,732 reviews
Porter Airlines
8.0
Very good
417 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

7.9

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
7,789 reviews
Porter Airlines
8.0
Very good
417 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

7.9

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
7,752 reviews
Porter Airlines
8.0
Very good
417 reviews
Check prices

Crew

8.6

Entertainment

6.9

Overall

8.0

Food

7.6

Boarding

8.2

Comfort

7.9

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. Air Transat provides one of the quickest options available for as low as C$ 731. 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$ 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 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$ 1,916 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 664 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 668.

  • 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$ 821). 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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 649AverageC$ 1,019FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 674AverageC$ 730FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 689AverageC$ 962FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 703AverageC$ 1,097FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 726AverageC$ 1,184FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 750AverageC$ 1,047FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 757AverageC$ 1,299FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 769AverageC$ 1,024FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapestC$ 784AverageC$ 1,080FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
WestJetCheapestC$ 864AverageC$ 1,190FlexibilityNo 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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