Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Montreal to the United Kingdom from C$ 398

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LHR
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 669

One-way from

C$ 398

Popular in

December

Cheapest in

May

Average price

C$ 967

Good round-trip deal

C$ 726 or less

Good one-way deal

C$ 479 or less
Porter Airlines
  • Porter Airlines
  • 26/9-4/10
  • 2 total stops
  • 53h 02m total
  • Montreal to United Kingdom
Search Deals
WestJet
  • WestJet
  • 15/8
  • 1 total stop
  • 22h 20m total
  • Montreal to United Kingdom
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Fri 26/95:50 p.m.YUL - GLA
1 stop32h 00mPorter Airlines
Sat 4/108:35 a.m.GLA - YUL
1 stop21h 02mPorter Airlines
Deal found 11/6C$ 669
Fri 26/910:00 a.m.YUL - GLA
1 stop15h 50mAir Transat
Sat 4/108:35 a.m.GLA - YUL
1 stop21h 02mAir Transat
Deal found 10/6C$ 682
Thu 23/103:10 p.m.YUL - LGW
1 stop14h 35mAir Transat
Mon 27/1011:40 a.m.LGW - YUL
1 stop16h 51mAir Transat
Deal found 10/6C$ 705
Mon 1/910:05 p.m.YUL - LGW
Nonstop6h 45mPorter Airlines
Sat 13/911:35 a.m.LGW - YUL
Nonstop7h 40mPorter Airlines
Deal found 12/6C$ 712
Wed 3/99:55 p.m.YUL - LHR
Nonstop6h 40mAir Canada
Wed 24/98:40 a.m.LHR - YUL
1 stop11h 20mAir Canada
Deal found 11/6C$ 725
Mon 15/95:50 p.m.YUL - STN
2 stops16h 30mMultiple Airlines
Wed 24/96:35 p.m.STN - YUL
2 stops35h 02mMultiple Airlines
Deal found 9/6C$ 727
Mon 15/95:50 p.m.YUL - LTN
2 stops17h 10mMultiple Airlines
Wed 24/97:20 p.m.LTN - YUL
2 stops34h 17mMultiple Airlines
Deal found 9/6C$ 727
Wed 1/109:55 p.m.YUL - LHR
Nonstop6h 40mLufthansa
Sun 12/109:30 a.m.LHR - YUL
Nonstop7h 10mLufthansa
Deal found 11/6C$ 753
Mon 8/94:40 p.m.YUL - LCY
1 stop11h 10mSWISS
Mon 15/99:25 a.m.LCY - YUL
1 stop10h 35mSWISS
Deal found 10/6C$ 755
Mon 8/99:55 p.m.YUL - LHR
Nonstop6h 40mMultiple Airlines
Mon 15/95:50 p.m.LHR - YUL
1 stop22h 45mMultiple Airlines
Deal found 12/6C$ 757
Fri 26/910:00 p.m.YUL - LHR
Nonstop6h 40mBritish Airways
Sat 11/106:05 p.m.LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 11/6C$ 815
Sat 6/93:41 p.m.YUL - LHR
2 stops13h 59mUnited Airlines
Sat 20/99:30 a.m.LHR - YUL
1 stop11h 40mUnited Airlines
Deal found 12/6C$ 824

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 12 June 2025.
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

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Fri 26/9

5:50 p.m.-6:50 a.m.

1 stop32h 00m

Glasgow Intl

Sat 4/10

8:35 a.m.-12:37 a.m.

1 stop21h 02m

C$ 669

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Fri 26/9

10:00 a.m.-6:50 a.m.

1 stop15h 50m

Glasgow Intl

Sat 4/10

8:35 a.m.-12:37 a.m.

1 stop21h 02m

C$ 682

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

3:10 p.m.-10:45 a.m.

1 stop14h 35m

London Gatwick

Mon 27/10

11:40 a.m.-12:31 a.m.

1 stop16h 51m

C$ 705

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

8:05 p.m.-7:55 a.m.

1 stop30h 50m

London Gatwick

Sat 27/9

12:40 p.m.-9:17 p.m.

1 stop13h 37m

C$ 715

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Wed 24/9

8:40 a.m.-3:00 p.m.

1 stop11h 20m

C$ 725

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

5:50 p.m.-3:20 p.m.

2 stops16h 30m

London Stansted

Wed 24/9

6:35 p.m.-12:37 a.m.

2 stops35h 02m

C$ 727

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

5:50 p.m.-4:00 p.m.

2 stops17h 10m

London Luton

Wed 24/9

7:20 p.m.-12:37 a.m.

2 stops34h 17m

C$ 727

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Wed 10/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

C$ 738

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Sun 5/10

9:30 a.m.-11:40 a.m.

Nonstop7h 10m

C$ 753

MontrealLondon

YUL - LCY

YULLCY

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

4:40 p.m.-8:50 a.m.

1 stop11h 10m

London City

Mon 15/9

9:25 a.m.-3:00 p.m.

1 stop10h 35m

C$ 755

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 60 results
1
2
3
...
6

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$ 857). 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 12 June 2025.

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 12 June 2025.

The most flights from YMQ to GB0 are scheduled on a Thursday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

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.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

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).

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 12 June 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and KLM from Montreal to United Kingdom to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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$ 398. However, be on the lookout for offers from Air Transat and TAP AIR PORTUGAL, 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 (88%), Aer Lingus (88%) or Finnair (88%) 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$ 1,890 for a flight from Montreal to United Kingdom. The cheapest flight overall is C$ 589 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at C$ 505.

  • 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$ 857). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Lisbon flights
Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights
Pierre Elliott Trudeau Intl to Orly flights
Pierre Elliott Trudeau Intl to Athens flights
Pierre Elliott Trudeau Intl to Istanbul flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Beauvais-Tille flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Pierre Elliott Trudeau Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Bruxelles-National flights
Pierre Elliott Trudeau Intl to Nice flights
Pierre Elliott Trudeau Intl to Lyon flights
Québec City to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Madrid flights
Pierre Elliott Trudeau Intl to Vicenza flights
Ottawa to Heathrow flights
Pierre Elliott Trudeau Intl to Marseille flights
Pierre Elliott Trudeau Intl to Malpensa flights
Pierre Elliott Trudeau Intl to Amsterdam flights
Pierre Elliott Trudeau Intl to Frankfurt flights
Pierre Elliott Trudeau Intl to London City flights
Pierre Elliott Trudeau Intl to Málaga flights
Québec City to Orly flights
Pierre Elliott Trudeau Intl to Sabiha Gokcen flights
Pierre Elliott Trudeau Intl to Zurich flights
Pierre Elliott Trudeau Intl to Geneva flights
Pierre Elliott Trudeau Intl to Keflavik Intl flights
Pierre Elliott Trudeau Intl to Vienna flights
Ottawa to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Porto flights
Pierre Elliott Trudeau Intl to Naples flights
Pierre Elliott Trudeau Intl to Toulouse flights
Québec City to Lisbon flights
Pierre Elliott Trudeau Intl to Munich flights
Pierre Elliott Trudeau Intl to Copenhagen flights
Pierre Elliott Trudeau Intl to Stansted flights
Pierre Elliott Trudeau Intl to Luton flights
Pierre Elliott Trudeau Intl to Ponta Delgada flights
Pierre Elliott Trudeau Intl to Dublin flights
Ottawa to Orly flights
Pierre Elliott Trudeau Intl to Linate flights
Ottawa to Gatwick flights
Ottawa to Leonardo da Vinci/Fiumicino flights
Pierre Elliott Trudeau Intl to Funchal flights
Ottawa to Lisbon flights
Pierre Elliott Trudeau Intl to Bordeaux flights
Pierre Elliott Trudeau Intl to Dubrovnik flights
Pierre Elliott Trudeau Intl to Edinburgh flights
Ottawa to London City flights

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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 128AverageC$ 1,132FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapestC$ 597AverageC$ 667FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air FranceCheapestC$ 603AverageC$ 1,184FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapestC$ 666AverageC$ 1,060FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 680AverageC$ 988FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
LufthansaCheapestC$ 695AverageC$ 1,228FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 704AverageC$ 1,199FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapestC$ 761AverageC$ 1,081FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapestC$ 795AverageC$ 1,216FlexibilityNo cancel feeOn-time75%
Search KLM flights
WestJetCheapestC$ 835AverageC$ 1,153FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.