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$ 780. 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$ 360. However, be on the lookout for offers from TAP AIR PORTUGAL and Air Transat, as they are both options that can get you from Montreal to United Kingdom for a low price.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 City and Montreal Pierre Elliott Trudeau Intl - London Gatwick.

What are the cheapest flights from Montreal to United Kingdom?

On average you can expect to pay C$ 1,964 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 397 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 663.

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

Consider American Airlines (69%), Aer Lingus (69%) or Finnair (69%) when booking your flight. These represent the most reliable airlines when flying from Montreal to United Kingdom.

What are the most popular airlines that fly from Montreal to United Kingdom?

When booking a flight from Montreal to United Kingdom, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

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.

C$ 297+ Flights from Montreal to the United Kingdom

Cheap flight deals from Montreal to United Kingdom

Round-trip from	C$ 730
One-way from	C$ 297
Popular in	December
Cheapest in	May
Average price	C$ 898
Good round-trip deal	C$ 779 or less
Good one-way deal	C$ 497 or less

Air Transat
12/10-31/10
2 total stops
45h 45m total
Montreal to United Kingdom

Search Deals

19/10
2 total stops
18h 35m total
Montreal to United Kingdom

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (C$ 89 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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

Find flight deals from Montreal to United Kingdom

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 17 September 2025.

Fri 7/112:30 p.m.YUL - LGW

1 stop14h 15mAir Transat

Thu 13/1111:40 a.m.LGW - YUL

1 stop11h 45mAir Transat

Deal found 17/9C$ 730

Sun 12/106:45 a.m.YUL - LGW

1 stop23h 00mAir Transat

Fri 31/1011:40 a.m.LGW - YUL

1 stop16h 55mAir Transat

Deal found 16/9C$ 732

Wed 17/911:00 p.m.YUL - LGW

1 stop14h 55mMultiple Airlines

Wed 19/117:55 a.m.LGW - YUL

1 stop16h 45mMultiple Airlines

Deal found 16/9C$ 733

Fri 5/128:15 p.m.YUL - LTN

1 stop12h 45mMultiple Airlines

Sun 14/127:20 a.m.LTN - YUL

1 stop33h 55mMultiple Airlines

Deal found 15/9C$ 733

Mon 10/1110:35 a.m.YUL - LGW

1 stop18h 10mAir Transat

Fri 21/1111:40 a.m.LGW - YUL

1 stop11h 45mAir Transat

Deal found 17/9C$ 735

Sat 11/106:45 a.m.YUL - LGW

1 stop23h 00mAir Transat

Fri 31/1011:40 a.m.LGW - YUL

1 stop14h 30mAir Transat

Deal found 15/9C$ 736

Wed 5/1110:35 a.m.YUL - LGW

1 stop18h 10mPorter Airlines

Tue 11/1111:40 a.m.LGW - YUL

1 stop11h 45mPorter Airlines

Deal found 16/9C$ 739

Sun 30/118:15 p.m.YUL - STN

1 stop18h 10mMultiple Airlines

Sat 6/128:25 p.m.STN - YUL

2 stops25h 30mMultiple Airlines

Deal found 17/9C$ 741

Sat 11/1010:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Wed 29/1011:40 a.m.LGW - YUL

1 stop16h 55mAir Transat

Deal found 15/9C$ 741

Tue 30/93:10 p.m.YUL - LGW

1 stop14h 35mAir Transat

Thu 9/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 15/9C$ 744

Tue 4/112:30 p.m.YUL - LGW

1 stop14h 15mAir Transat

Wed 12/1111:40 a.m.LGW - YUL

1 stop11h 45mAir Transat

Deal found 16/9C$ 746

Mon 1/128:15 p.m.YUL - STN

1 stop17h 25mMultiple Airlines

Sat 6/128:25 p.m.STN - YUL

2 stops25h 30mMultiple Airlines

Deal found 17/9C$ 747

Best flights from Montreal to United Kingdom
Discover carefully curated flight deals from Montreal to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Sun 30/112:30 p.m.YUL - LGW

1 stop14h 15mAir Transat

Thu 4/1211:40 a.m.LGW - YUL

1 stop11h 45mAir Transat

Deal found 17/9C$ 755

Sun 23/118:15 p.m.YUL - LTN

1 stop12h 25mMultiple Airlines

Sun 30/117:20 a.m.LTN - YUL

1 stop33h 55mMultiple Airlines

Deal found 17/9C$ 773

Mon 13/1010:05 p.m.YUL - LGW

Nonstop6h 45mPorter Airlines

Wed 22/1012:40 p.m.LGW - YUL

1 stop16h 57mPorter Airlines

Deal found 14/9C$ 780

Tue 18/118:40 p.m.YUL - BHD

1 stop13h 10mBritish Airways

Sun 30/113:10 p.m.BHD - YUL

1 stop32h 35mBritish Airways

Deal found 15/9C$ 845

Wed 15/1010:10 p.m.YUL - GLA

1 stop11h 05mAmerican Airlines

Wed 22/103:35 p.m.GLA - YUL

2 stops23h 15mAmerican Airlines

Deal found 15/9C$ 852

Tue 4/116:15 p.m.YUL - LHR

1 stop12h 00mUnited Airlines

Tue 11/116:50 a.m.LHR - YUL

2 stops33h 40mUnited Airlines

Deal found 16/9C$ 861

Fri 17/109:50 p.m.YUL - EDI

1 stop28h 30mAir Canada

Mon 27/1011:30 a.m.EDI - YUL

1 stop29h 16mAir Canada

Deal found 16/9C$ 919

Wed 19/117:10 p.m.YUL - LCY

1 stop9h 20mKLM

Mon 24/119:20 a.m.LCY - YUL

1 stop13h 00mKLM

Deal found 15/9C$ 941

Wed 1/106:50 p.m.YUL - LCY

1 stop9h 00mDelta

Fri 28/119:20 a.m.LCY - YUL

1 stop13h 00mDelta

Deal found 14/9C$ 942

Wed 8/106:50 p.m.YUL - LCY

1 stop18h 40mVirgin Atlantic

Thu 23/107:45 a.m.LCY - YUL

1 stop14h 10mVirgin Atlantic

Deal found 16/9C$ 944

Thu 2/104:00 p.m.YUL - LGW

1 stop13h 45mAir Transat

Fri 10/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 16/9C$ 763

Mon 29/94:30 p.m.YUL - STN

2 stops17h 50mMultiple Airlines

Mon 6/1010:00 p.m.STN - YUL

1 stop17h 50mMultiple Airlines

Deal found 16/9C$ 779

Sat 4/1010:00 a.m.YUL - LGW

1 stop19h 45mPorter Airlines

Mon 1/1211:40 a.m.LGW - YUL

1 stop11h 45mPorter Airlines

Deal found 14/9C$ 816

Tue 30/96:00 p.m.YUL - LGW

1 stop11h 45mAir Transat

Fri 10/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 16/9C$ 763

Wed 19/118:40 p.m.YUL - BHD

1 stop12h 35mBritish Airways

Sun 30/118:25 p.m.BHD - YUL

1 stop27h 20mBritish Airways

Deal found 15/9C$ 845

Wed 15/1010:10 p.m.YUL - GLA

1 stop12h 25mAmerican Airlines

Mon 27/102:00 p.m.GLA - YUL

2 stops23h 50mAmerican Airlines

Deal found 17/9C$ 857

Mon 20/106:35 a.m.YUL - LHR

2 stops19h 20mUnited Airlines

Mon 27/1012:05 p.m.LHR - YUL

2 stops27h 52mUnited Airlines

Deal found 17/9C$ 879

Mon 27/109:40 p.m.YUL - GLA

1 stop11h 25mMultiple Airlines

Mon 10/1112:45 p.m.GLA - YUL

1 stop11h 00mMultiple Airlines

Deal found 16/9C$ 816

Mon 20/109:40 a.m.YUL - EDI

2 stops16h 40mAir Canada

Fri 24/1011:30 a.m.EDI - YUL

1 stop28h 10mAir Canada

Deal found 16/9C$ 924

Mon 29/96:45 a.m.YUL - LGW

1 stop23h 00mPorter Airlines

Fri 10/1011:35 a.m.LGW - YUL

Nonstop7h 40mPorter Airlines

Deal found 16/9C$ 843

Mon 10/117:10 p.m.YUL - LCY

1 stop16h 25mDelta

Fri 21/118:40 a.m.LCY - YUL

1 stop13h 40mDelta

Deal found 15/9C$ 942

Tue 21/1010:10 p.m.YUL - GLA

1 stop11h 30mAmerican Airlines

Mon 27/108:55 a.m.GLA - YUL

1 stop14h 50mAmerican Airlines

Deal found 16/9C$ 865

Sun 19/106:50 p.m.YUL - LCY

1 stop9h 40mKLM

Wed 29/109:20 a.m.LCY - YUL

1 stop13h 00mKLM

Deal found 15/9C$ 952

Sun 12/1010:00 p.m.YUL - LHR

Nonstop6h 40mBritish Airways

Tue 28/104:10 p.m.LHR - YUL

Nonstop7h 35mBritish Airways

Deal found 15/9C$ 887

Tue 21/106:50 p.m.YUL - LCY

1 stop18h 40mVirgin Atlantic

Tue 28/109:20 a.m.LCY - YUL

2 stops17h 54mVirgin Atlantic

Deal found 15/9C$ 981

Wed 1/104:40 p.m.YUL - EDI

2 stops12h 55mUnited Airlines

Tue 21/109:40 a.m.EDI - YUL

1 stop11h 30mUnited Airlines

Deal found 16/9C$ 893

Sat 4/108:15 p.m.YUL - STN

2 stops30h 35mMultiple Airlines

Sat 11/107:10 a.m.STN - YUL

1 stop12h 05mMultiple Airlines

Deal found 14/9C$ 827

Sun 28/96:45 a.m.YUL - LGW

1 stop23h 00mAir Transat

Mon 6/1012:40 p.m.LGW - YUL

1 stop11h 40mAir Transat

Deal found 16/9C$ 836

Sun 12/1010:00 a.m.YUL - LGW

1 stop19h 45mPorter Airlines

Wed 22/1012:40 p.m.LGW - YUL

1 stop13h 37mPorter Airlines

Deal found 16/9C$ 852

Sun 28/96:50 p.m.YUL - LCY

1 stop9h 00mDelta

Wed 3/128:40 a.m.LCY - YUL

1 stop13h 40mDelta

Deal found 14/9C$ 942

Direct flights from Montreal to United Kingdom
Explore direct flight options from Montreal to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Mon 29/910:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Thu 9/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 16/9C$ 754

Sun 21/910:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Thu 9/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 17/9C$ 758

Tue 30/96:55 p.m.YUL - LGW

Nonstop10h 50mAir Transat

Tue 7/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 16/9C$ 773

Sat 4/1010:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Tue 7/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 17/9C$ 774

Wed 1/106:55 p.m.YUL - LHR

Nonstop6h 35mAir Canada

Tue 14/109:30 a.m.LHR - YUL

Nonstop7h 10mAir Canada

Deal found 17/9C$ 777

Mon 6/1010:05 p.m.YUL - LGW

Nonstop6h 45mPorter Airlines

Fri 10/1011:35 a.m.LGW - YUL

Nonstop7h 40mPorter Airlines

Deal found 16/9C$ 780

Mon 6/109:55 p.m.YUL - LHR

Nonstop6h 40mAir Canada

Tue 14/109:30 a.m.LHR - YUL

Nonstop7h 10mAir Canada

Deal found 16/9C$ 780

Tue 18/117:10 p.m.YUL - LHR

Nonstop7h 00mMultiple Airlines

Wed 14/11:25 p.m.LHR - YUL

Nonstop7h 45mMultiple Airlines

Deal found 15/9C$ 795

Wed 19/118:40 p.m.YUL - LHR

Nonstop6h 50mBritish Airways

Mon 24/114:10 p.m.LHR - YUL

Nonstop7h 35mBritish Airways

Deal found 15/9C$ 798

Mon 29/910:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Tue 7/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 16/9C$ 799

Wed 15/1010:10 p.m.YUL - LHR

Nonstop6h 40mBritish Airways

Wed 29/104:10 p.m.LHR - YUL

Nonstop7h 35mBritish Airways

Deal found 16/9C$ 799

Wed 1/106:55 p.m.YUL - LHR

Nonstop6h 35mAir Canada

Mon 1/121:25 p.m.LHR - YUL

Nonstop7h 45mAir Canada

Deal found 14/9C$ 801

Last-minute flights from Montreal to United Kingdom
Discover last-minute flight deals from Montreal to United Kingdom. Data last updated 17 September 2025 and is based on user searches.

Wed 17/911:00 p.m.YUL - LGW

1 stop14h 55mMultiple Airlines

Wed 19/117:55 a.m.LGW - YUL

1 stop16h 45mMultiple Airlines

Deal found 16/9C$ 733

Mon 29/910:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Fri 28/1111:40 a.m.LGW - YUL

1 stop11h 45mAir Transat

Deal found 14/9C$ 751

Mon 29/910:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Fri 10/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 16/9C$ 754

Mon 29/91:30 p.m.YUL - LHR

1 stop12h 05mMultiple Airlines

Mon 6/1012:40 p.m.LHR - YUL

1 stop10h 25mMultiple Airlines

Deal found 16/9C$ 755

Tue 30/96:00 p.m.YUL - LGW

1 stop11h 45mAir Transat

Fri 28/1111:40 a.m.LGW - YUL

1 stop11h 45mAir Transat

Deal found 14/9C$ 736

Tue 30/93:10 p.m.YUL - LGW

1 stop14h 35mAir Transat

Thu 9/1011:35 a.m.LGW - YUL

Nonstop7h 40mAir Transat

Deal found 15/9C$ 744

Tue 30/96:00 p.m.YUL - LGW

1 stop11h 45mAir Transat

Tue 2/1211:40 a.m.LGW - YUL

1 stop11h 45mAir Transat

Deal found 14/9C$ 750

Sat 4/1010:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Wed 29/1011:40 a.m.LGW - YUL

1 stop33h 15mAir Transat

Deal found 17/9C$ 748

Wed 8/1010:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Thu 23/1012:40 p.m.LGW - YUL

1 stop11h 40mAir Transat

Deal found 16/9C$ 739

Sat 11/1010:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Wed 29/1011:40 a.m.LGW - YUL

1 stop16h 55mAir Transat

Deal found 15/9C$ 741

Sun 12/1010:00 a.m.YUL - LGW

1 stop19h 45mAir Transat

Fri 31/1011:40 a.m.LGW - YUL

1 stop26h 00mAir Transat

Deal found 15/9C$ 730

Tue 28/107:20 p.m.YUL - LGW

1 stop10h 25mAir Transat

Sun 9/1111:40 a.m.LGW - YUL

1 stop15h 30mAir Transat

Deal found 14/9C$ 746

One-way flights from Montreal to United Kingdom
Search for one-way flight options from Montreal to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Sun 19/108:15 p.m.YUL - EDI

2 stops18h 35mMultiple Airlines

Deal found 16/9C$ 297

Thu 23/106:45 a.m.YUL - GLA

2 stops29h 05mMultiple Airlines

Deal found 17/9C$ 318

Fri 24/108:15 p.m.YUL - GLA

2 stops30h 40mMultiple Airlines

Deal found 17/9C$ 322

Fri 3/106:45 a.m.YUL - EDI

2 stops44h 20mWestJet

Deal found 16/9C$ 358

Sat 4/106:45 a.m.YUL - EDI

2 stops20h 20mWestJet

Deal found 16/9C$ 360

Sun 19/108:15 p.m.YUL - STN

3 stops16h 15mMultiple Airlines

Deal found 15/9C$ 360

Thu 2/108:15 p.m.YUL - STN

2 stops14h 30mMultiple Airlines

Deal found 15/9C$ 362

Thu 16/1010:45 p.m.YUL - LHR

1 stop18h 20mTAP AIR PORTUGAL

Deal found 15/9C$ 362

Wed 15/1010:45 p.m.YUL - LHR

1 stop19h 10mTAP AIR PORTUGAL

Deal found 15/9C$ 363

Tue 21/106:45 a.m.YUL - STN

2 stops28h 50mMultiple Airlines

Deal found 15/9C$ 366

Thu 2/108:15 p.m.YUL - LTN

2 stops15h 20mMultiple Airlines

Deal found 15/9C$ 366

Mon 13/1010:45 p.m.YUL - LHR

1 stop18h 15mTAP AIR PORTUGAL

Deal found 15/9C$ 367

Cheapflights Fare Finder

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

Sun 30/11

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Thu 4/12

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 755

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Fri 10/10

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

Nonstop7h 40m

C$ 763

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

6:00 p.m.-10:45 a.m.

1 stop11h 45m

London Gatwick

Fri 10/10

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

Nonstop7h 40m

C$ 763

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

8:15 p.m.-1:40 p.m.

1 stop12h 25m

London Luton

Sun 30/11

7:20 a.m.-12:15 p.m.

1 stop33h 55m

C$ 773

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

4:30 p.m.-3:20 p.m.

2 stops17h 50m

London Stansted

Mon 6/10

10:00 p.m.-10:50 a.m.

1 stop17h 50m

C$ 779

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

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

Nonstop6h 45m

London Gatwick

Wed 22/10

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

1 stop16h 57m

C$ 780

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

10:00 a.m.-10:45 a.m.

1 stop19h 45m

London Gatwick

Mon 1/12

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 816

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

9:40 p.m.-1:05 p.m.

1 stop11h 25m

Glasgow Intl

Mon 10/11

12:45 p.m.-6:45 p.m.

1 stop11h 00m

C$ 816

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

8:15 p.m.-7:50 a.m.

2 stops30h 35m

London Stansted

Sat 11/10

7:10 a.m.-2:15 p.m.

1 stop12h 05m

C$ 827

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

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

1 stop23h 00m

London Gatwick

Mon 6/10

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

1 stop11h 40m

C$ 836

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 60 results

...

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, January is the cheapest month in which you can book a flight from Montreal to United Kingdom (average of C$ 560). Flying from Montreal to United Kingdom in July is currently the most expensive (average of C$ 856). 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?

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

The most flights from YMQ to GB0 are scheduled on a Tuesday (18 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing United Kingdom

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

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Porter Airlines

7.9

Good

365 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Transat

7.7

Good

439 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,000 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Lufthansa

6.8

Okay

7,409 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

British Airways

6.7

Okay

7,367 reviews

Porter Airlines

7.9

Good

365 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Related info for your journey

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$ 780. 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$ 360. However, be on the lookout for offers from TAP AIR PORTUGAL and Air Transat, 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 City and Montreal Pierre Elliott Trudeau Intl - London Gatwick.
What are the most reliable airlines from Montreal to United Kingdom?
Consider American Airlines (69%), Aer Lingus (69%) or Finnair (69%) 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$ 1,964 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 397 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 663.
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, January is the cheapest month in which you can book a flight from Montreal to United Kingdom (average of C$ 560). Flying from Montreal to United Kingdom in July is currently the most expensive (average of C$ 856). 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.

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Top 10 airlines flying from Montreal to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
British Airways	CheapestC$ 129	AverageC$ 1,167	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
TAP AIR PORTUGAL	CheapestC$ 601	AverageC$ 692	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	CheapestC$ 607	AverageC$ 1,182	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	CheapestC$ 630	AverageC$ 1,068	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 693	AverageC$ 1,060	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 708	AverageC$ 1,167	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 756	AverageC$ 995	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	CheapestC$ 765	AverageC$ 1,091	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
American Airlines	CheapestC$ 788	AverageC$ 1,093	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
KLM	CheapestC$ 800	AverageC$ 1,256	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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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Cheap flights from Montreal to the United Kingdom from C$ 297

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 17 September 2025.

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One-way from

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Average price

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Good one-way deal

Find flight deals from Montreal to United Kingdom

Cheapest flights from Montreal to United KingdomExplore 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 17 September 2025.

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 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to the United Kingdom that are best for you.

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.

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?

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 17 September 2025.

Weekly flight availability from Montreal to United Kingdom

Reviews of airlines servicing United Kingdom

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.

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?

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

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

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

What are the cheapest flights from Montreal to United Kingdom?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 10 airlines flying from Montreal to United Kingdom

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

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

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

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

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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 17 September 2025.