Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Montreal from £354

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YMQ
22 Jan — 29 Jan1
1 adult

The best prices from London Heathrow to Montreal are usually found in September or February, booked 48 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

£410

One-way from

£354

Popular in

August

Cheapest in

September

Average price

£488
Air Canada
  • Air Canada
  • 22/1-29/1
  • Nonstop
  • 14h 35m total
  • London to Montreal
Search Deals
Azores Airlines
  • Azores Airlines
  • 9/2
  • 2 total stops
  • 35h 25m total
  • London to Montreal
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Best time to find cheap flights, 4% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Heathrow to Montreal

Cheapest flights from Heathrow to Montreal
Explore the most affordable flight options available from Heathrow to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Wed 22/115:00LHR - YUL
Nonstop7h 40mAir Canada
Wed 29/119:15YUL - LHR
Nonstop6h 55mAir Canada
Deal found 17/1£410
Thu 30/120:05LHR - YUL
2 stops48h 13mSWISS
Thu 6/216:50YUL - LHR
1 stop20h 00mSWISS
Deal found 16/1£412
Mon 17/309:00LHR - YUL
1 stop11h 25mAir France
Wed 26/318:00YUL - LHR
1 stop12h 30mAir France
Deal found 16/1£413
Tue 21/119:15LHR - YUL
2 stops28h 08mLufthansa
Tue 28/114:15YUL - LHR
1 stop13h 15mLufthansa
Deal found 16/1£414
Thu 13/206:00LHR - YUL
2 stops23h 48mAustrian Airlines
Sun 23/213:15YUL - LHR
2 stops27h 25mAustrian Airlines
Deal found 16/1£424
Fri 14/218:30LHR - YUL
1 stop22h 25mMultiple Airlines
Fri 21/208:05YUL - LHR
1 stop31h 30mMultiple Airlines
Deal found 16/1£434
Fri 19/911:05LHR - YUL
2 stops13h 20mBrussels Airlines
Sun 28/918:55YUL - LHR
1 stop17h 10mBrussels Airlines
Deal found 16/1£434
Sat 1/307:30LHR - YUL
2 stops17h 18mUnited Airlines
Sat 8/313:25YUL - LHR
2 stops16h 25mUnited Airlines
Deal found 15/1£438
Sun 16/317:35LHR - YUL
1 stop26h 50mDelta
Wed 26/318:00YUL - LHR
1 stop10h 00mDelta
Deal found 16/1£443
Tue 11/216:30LHR - YUL
Nonstop7h 35mAmerican Airlines
Wed 19/220:50YUL - LHR
Nonstop6h 50mAmerican Airlines
Deal found 16/1£445
Fri 17/106:30LHR - YUL
1 stop15h 40mVirgin Atlantic
Fri 24/117:00YUL - LHR
1 stop15h 45mVirgin Atlantic
Deal found 16/1£466
Thu 16/117:50LHR - YUL
1 stop28h 20mKLM
Thu 23/112:48YUL - LHR
1 stop13h 02mKLM
Deal found 16/1£483

Find flights from Heathrow to Montreal within your budget

Customise your flight search to find flights from Heathrow to Montreal 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 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 16/6

06:50-11:45

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 23/6

13:25-06:30

2 stops12h 05m

£410

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 30/1

20:05-15:18

2 stops48h 13m

Montreal Pierre Elliott Trudeau Intl

Thu 6/2

16:50-17:50

1 stop20h 00m

£412

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 17/3

09:00-16:25

1 stop11h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 26/3

18:00-10:30

1 stop12h 30m

£413

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 31/3

10:30-16:00

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 6/4

18:50-06:30

Nonstop6h 40m

£416

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 13/2

06:00-15:18

2 stops38h 18m

Montreal Pierre Elliott Trudeau Intl

Thu 20/2

13:15-08:20

2 stops38h 05m

£416

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 14/2

18:30-11:55

1 stop22h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 21/2

08:05-20:35

1 stop31h 30m

£434

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 6/2

08:55-08:00

2 stops28h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 13/2

07:55-06:40

2 stops17h 45m

£435

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 16/3

17:35-16:25

1 stop26h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 26/3

18:00-08:00

1 stop10h 00m

£443

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 18/5

11:05-17:51

2 stops35h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 28/7

21:10-21:35

2 stops19h 25m

£444

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 11/2

16:30-19:05

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 17/2

20:50-08:40

Nonstop6h 50m

£445

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from Heathrow to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Heathrow with our price prediction graph.
Estimated return 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.

Travel insights for flights from Heathrow to Montreal

Get recent, data-driven insights about flights from Heathrow to Montreal including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Montreal?

Use this chart to determine the optimal time to book a return flight from Heathrow to Montreal. Price data was last updated on 10 January 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Montreal, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Montreal?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal (average of £475). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £743). 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 LHR to YMQ?

Find hourly flight availability from Heathrow to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 25% on flights from London Heathrow Airport to Montreal by exploring options for tickets in the morning.

What is the cheapest day to fly from London Heathrow Airport to Montreal?

Use this chart to determine the cheapest time to fly return from Heathrow to Montreal. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Montreal flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Montreal

Explore weekly flight availability from Heathrow to Montreal. 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 17 January 2025.

The most flights from LHR to YMQ are scheduled on a Wednesday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Montreal by month

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

In terms of precipitation, rainfall in Montreal ranges from 64.0 - 111.0 inches per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal when rainfall is around 64.0 mm.

Temperature in Montreal by month

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

If weather is an important factor for your trip to Montreal, 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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated 17 January 2025.
Peruse reviews from past customers who have flown with Lufthansa, United Airlines and TAP AIR PORTUGAL from London to Montreal to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta
8.0
Very Good
8,513 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Montreal. 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 flying from London Heathrow Airport to Montreal round-trip?

    According to our current data, Air Canada (£410), Austrian Airlines (£411), and SWISS (£412) offers the cheapest pricing from London Heathrow Airport to Montreal. Air Canada is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Montreal one-way?

    For one-way options, check prices for Azores Airlines. According to our data, you can fly for as low as £354. Users have also found prices from £362 and £375 on TAP AIR PORTUGAL and WestJet, respectively.

  • What are the most reliable airlines from London Heathrow Airport to Montreal?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Montreal consider choosing Aegean Airlines (82%), Air Canada (79%) or Austrian Airlines (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Montreal?

    While on average a flight from London Heathrow Airport to Montreal is generally £1,274, our data shows the cheapest flight currently is £402. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £371 for that flight.

  • Can I find deals for flights from Heathrow to Montreal that include hotel bookings?

    Yes. In addition to deals on Heathrow to Montreal flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Montreal.

  • Can I find deals for business class flights from Heathrow to Montreal?

    Yes. Cheapflights offers flight deals from Heathrow to Montreal 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 London Heathrow Airport to Montreal?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal (average of £475). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £743). 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.

Top 9 airlines flying from Heathrow to Montreal

Discover the top 9 airlines that operate flights from Heathrow to Montreal. 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 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£344Average£415FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapest£362Average£539FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapest£372Average£558FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£403Average£593FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£405Average£569FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£405Average£504FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£407Average£628FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£418Average£707FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£476Average£599FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Montreal?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Montreal. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Montreal for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Montreal with no change fees.

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

Yes! Start tracking prices for Heathrow to Montreal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.