What are the cheapest airlines flying from London Heathrow Airport to Montreal round-trip?

According to our current data, Air Canada (£388), SWISS (£391), and British Airways (£399) offers the cheapest pricing from London Heathrow Airport to Montreal. Air Canada is 25% 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 £383. Users have also found prices from £386 and £402 on TAP AIR PORTUGAL and WestJet, respectively.

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

While on average a flight from London Heathrow Airport to Montreal is generally £1,051, our data shows the cheapest flight currently is £390. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £386 for that flight.

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 Air Canada (77%), Austrian Airlines (77%) or Egyptair (77%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from London Heathrow Airport to Montreal?

The most popular airlines flying from London Heathrow Airport to Montreal are Air Canada, Air France and Finnair. Something to consider prior to booking your flight.

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 7% on your flight compared to booking on days when demand is much higher.

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

To save on the cost of your flight from London Heathrow Airport to Montreal, book at least 57 days before your planned departure. Booking around this time can save you about 25% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £441 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £546.

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

The best pricing can be found in the month of September. Prices to Montreal from London Heathrow Airport average £497. You can even find prices in September for less than £497, as users have found deals to Montreal from as low as £329. The month of August appears to be one of the more expensive times to travel to Montreal from London Heathrow Airport. Flying in the targeted month can save you up to 26%.

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.

£316+ Flights from London Heathrow Airport to Montreal

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 Sunday

Cheap flight deals from Heathrow to Montreal

Round-trip from	£388
One-way from	£316
Popular in	August
Cheapest in	September
Average price	£448
Good round-trip deal	£473 or less
Good one-way deal	£660 or less

Air Canada
16/3-23/3
2 total stops
21h 25m total
London to Montreal

Search Deals

1/3
3 total stops
53h 10m total
London to Montreal

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£86 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Price to beat on a round-trip flight from London Heathrow to Montreal (YMQ).

Search Deals

Price to beat on a one-way flight from London Heathrow to Montreal (YMQ).

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 20 February 2025.

Sun 16/306:00LHR - YUL

1 stop12h 55mAir Canada

Sun 23/308:05YUL - LHR

1 stop8h 30mAir Canada

Deal found 20/2£388

Wed 19/308:55LHR - YUL

1 stop11h 20mMultiple Airlines

Wed 26/320:15YUL - LHR

Nonstop6h 55mMultiple Airlines

Deal found 20/2£390

Tue 18/320:05LHR - YUL

1 stop24h 10mSWISS

Tue 25/317:50YUL - LHR

1 stop10h 15mSWISS

Deal found 20/2£391

Fri 2/518:05LHR - YUL

Nonstop7h 10mBritish Airways

Sat 10/522:05YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 19/2£399

Sat 22/320:15LHR - YUL

2 stops20h 40mLufthansa

Wed 9/414:20YUL - LHR

1 stop13h 15mLufthansa

Deal found 19/2£407

Sun 16/306:00LHR - YUL

1 stop12h 55mAustrian Airlines

Sun 23/314:15YUL - LHR

2 stops24h 25mAustrian Airlines

Deal found 20/2£413

Mon 24/306:50LHR - YUL

1 stop9h 50mBrussels Airlines

Fri 4/418:40YUL - LHR

2 stops21h 55mBrussels Airlines

Deal found 19/2£422

Tue 4/311:45LHR - YUL

2 stops16h 37mDelta

Tue 11/320:05YUL - LHR

1 stop13h 40mDelta

Deal found 19/2£431

Sat 15/306:50LHR - YUL

2 stops19h 14mUnited Airlines

Sat 22/313:35YUL - LHR

2 stops13h 20mUnited Airlines

Deal found 19/2£437

Sat 22/209:00LHR - YUL

1 stop11h 25mVirgin Atlantic

Mon 24/212:49YUL - LHR

1 stop13h 01mVirgin Atlantic

Deal found 20/2£484

Fri 22/818:05LHR - YUL

1 stop20h 50mFinnair

Fri 12/912:20YUL - LHR

2 stops16h 10mFinnair

Deal found 20/2£500

Wed 26/210:00LHR - YUL

1 stop12h 10mKLM

Wed 5/312:49YUL - LHR

1 stop13h 01mKLM

Deal found 19/2£502

Best flights from Heathrow to Montreal
Discover carefully curated flight deals from Heathrow to Montreal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 February 2025.

Sun 16/306:00LHR - YUL

1 stop12h 55mAir Canada

Sun 23/308:05YUL - LHR

1 stop8h 30mAir Canada

Deal found 20/2£388

Wed 19/308:55LHR - YUL

1 stop11h 20mMultiple Airlines

Wed 26/320:15YUL - LHR

Nonstop6h 55mMultiple Airlines

Deal found 20/2£390

Tue 18/320:05LHR - YUL

1 stop24h 10mSWISS

Tue 25/317:50YUL - LHR

1 stop10h 15mSWISS

Deal found 20/2£391

Fri 2/518:05LHR - YUL

Nonstop7h 10mBritish Airways

Sat 10/522:05YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 19/2£399

Wed 12/306:00LHR - YUL

1 stop12h 55mAustrian Airlines

Sun 16/319:35YUL - LHR

1 stop22h 05mAustrian Airlines

Deal found 20/2£402

Sat 22/320:15LHR - YUL

2 stops20h 40mLufthansa

Wed 9/414:20YUL - LHR

1 stop13h 15mLufthansa

Deal found 19/2£407

Mon 24/306:50LHR - YUL

1 stop9h 50mBrussels Airlines

Fri 4/418:40YUL - LHR

2 stops21h 55mBrussels Airlines

Deal found 19/2£422

Tue 4/311:45LHR - YUL

2 stops16h 37mDelta

Tue 11/320:05YUL - LHR

1 stop13h 40mDelta

Deal found 19/2£431

Sat 15/306:50LHR - YUL

2 stops19h 14mUnited Airlines

Sat 22/313:35YUL - LHR

2 stops13h 20mUnited Airlines

Deal found 19/2£437

Wed 30/419:15LHR - YUL

1 stop26h 40mKLM

Mon 12/518:50YUL - LHR

1 stop17h 45mKLM

Deal found 19/2£447

Sat 22/316:30LHR - YUL

Nonstop7h 35mFinnair

Sat 12/422:10YUL - LHR

Nonstop6h 40mFinnair

Deal found 20/2£488

Tue 1/419:45LHR - YUL

2 stops26h 10mAir France

Sun 6/419:00YUL - LHR

2 stops31h 55mAir France

Deal found 20/2£514

Direct flights from Heathrow to Montreal
Explore direct flight options from Heathrow to Montreal based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 February 2025.

Tue 4/315:00LHR - YUL

Nonstop7h 40mAir Canada

Tue 11/320:15YUL - LHR

Nonstop6h 55mAir Canada

Deal found 19/2£395

Thu 20/316:30LHR - YUL

Nonstop7h 35mBritish Airways

Thu 10/422:05YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 20/2£397

Wed 23/409:30LHR - YUL

Nonstop7h 10mLufthansa

Wed 30/422:20YUL - LHR

Nonstop6h 40mLufthansa

Deal found 20/2£403

Fri 21/316:30LHR - YUL

Nonstop7h 35mMultiple Airlines

Fri 11/422:00YUL - LHR

Nonstop6h 40mMultiple Airlines

Deal found 19/2£427

Sat 22/316:30LHR - YUL

Nonstop7h 35mFinnair

Sat 12/422:10YUL - LHR

Nonstop6h 40mFinnair

Deal found 20/2£488

Tue 25/216:30LHR - YUL

Nonstop7h 35mAmerican Airlines

Tue 4/320:50YUL - LHR

Nonstop6h 50mAmerican Airlines

Deal found 20/2£523

Wed 5/316:30LHR - YUL

Nonstop7h 35mAer Lingus

Wed 12/321:50YUL - LHR

Nonstop6h 50mAer Lingus

Deal found 19/2£3,076

Last-minute flights from Heathrow to Montreal
Discover last-minute flight deals from Heathrow to Montreal. Data last updated 20 February 2025 and is based on user searches.

Sat 22/209:00LHR - YUL

1 stop11h 25mVirgin Atlantic

Mon 24/212:49YUL - LHR

1 stop13h 01mVirgin Atlantic

Deal found 20/2£484

Tue 25/211:45LHR - YUL

2 stops27h 20mFinnair

Tue 4/316:00YUL - LHR

2 stops12h 30mFinnair

Deal found 20/2£496

Tue 25/216:30LHR - YUL

Nonstop7h 35mAmerican Airlines

Tue 4/320:50YUL - LHR

Nonstop6h 50mAmerican Airlines

Deal found 20/2£523

Wed 26/210:00LHR - YUL

1 stop12h 10mKLM

Wed 5/312:49YUL - LHR

1 stop13h 01mKLM

Deal found 19/2£502

Thu 27/215:00LHR - YUL

Nonstop7h 40mAir Canada

Wed 5/319:15YUL - LHR

Nonstop6h 55mAir Canada

Deal found 20/2£405

Thu 27/216:30LHR - YUL

Nonstop7h 35mBritish Airways

Tue 4/320:50YUL - LHR

Nonstop6h 50mBritish Airways

Deal found 19/2£406

Thu 27/206:20LHR - YUL

1 stop14h 05mDelta

Tue 4/316:50YUL - LHR

2 stops15h 55mDelta

Deal found 20/2£434

Thu 27/208:55LHR - YUL

2 stops15h 28mSWISS

Wed 5/318:35YUL - LHR

2 stops13h 25mSWISS

Deal found 19/2£698

Fri 28/207:10LHR - YUL

2 stops19h 54mUnited Airlines

Sun 2/308:35YUL - LHR

2 stops18h 50mUnited Airlines

Deal found 19/2£437

Fri 28/213:40LHR - YUL

2 stops23h 52mTAP AIR PORTUGAL

Mon 10/322:45YUL - LHR

1 stop14h 45mTAP AIR PORTUGAL

Deal found 19/2£912

Sat 1/316:00LHR - YUL

1 stop21h 32mMultiple Airlines

Sat 15/311:15YUL - LHR

1 stop17h 15mMultiple Airlines

Deal found 19/2£436

Sat 1/312:05LHR - YUL

1 stop12h 43mLufthansa

Sat 15/318:30YUL - LHR

1 stop32h 10mLufthansa

Deal found 19/2£453

One-way flights from Heathrow to Montreal
Search for one-way flight options from Heathrow to Montreal. Find affordable one-way fares based on user searches. Data last updated 20 February 2025.

Sat 1/319:55LHR - YUL

3 stops53h 10mMultiple Airlines

Deal found 19/2£316

Thu 1/506:00LHR - YUL

3 stops19h 10mAzores Airlines

Deal found 19/2£383

Sat 3/519:50LHR - YUL

1 stop30h 20mTAP AIR PORTUGAL

Deal found 19/2£386

Mon 3/314:50LHR - YUL

1 stop29h 46mWestJet

Deal found 18/2£402

Tue 25/318:00LHR - YUL

1 stop29h 35mRoyal Air Maroc

Deal found 20/2£429

Fri 14/306:50LHR - YUL

1 stop9h 50mBrussels Airlines

Deal found 19/2£438

Thu 24/418:05LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 18/2£448

Wed 2/406:00LHR - YUL

1 stop14h 00mSWISS

Deal found 19/2£452

Mon 3/315:00LHR - YUL

Nonstop7h 40mLufthansa

Deal found 18/2£458

Sun 23/216:30LHR - YUL

Nonstop7h 35mFinnair

Deal found 19/2£490

Wed 5/308:50LHR - YUL

2 stops17h 03mAer Lingus

Deal found 18/2£635

Thu 1/509:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 19/2£838

Find flights from Heathrow to Montreal within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 16/3

06:00-14:55

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 23/3

08:05-20:35

1 stop8h 30m

£388

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 19/3

08:55-16:15

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 26/3

20:15-07:10

Nonstop6h 55m

£390

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 18/3

20:05-16:15

1 stop24h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 25/3

17:50-08:05

1 stop10h 15m

£391

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 2/5

18:05-20:15

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

22:05-09:45

Nonstop6h 40m

£399

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 12/3

06:00-14:55

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 16/3

19:35-21:40

1 stop22h 05m

£402

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 22/3

20:15-12:55

2 stops20h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 9/4

14:20-08:35

1 stop13h 15m

£407

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 24/3

06:50-12:40

1 stop9h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 4/4

18:40-21:35

2 stops21h 55m

£422

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 4/3

11:45-23:22

2 stops16h 37m

Montreal Pierre Elliott Trudeau Intl

Tue 11/3

20:05-13:45

1 stop13h 40m

£431

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 15/3

06:50-22:04

2 stops19h 14m

Montreal Pierre Elliott Trudeau Intl

Sat 22/3

13:15-06:40

1 stop13h 25m

£437

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 30/4

20:55-16:55

1 stop25h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

18:50-17:35

1 stop17h 45m

£447

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 27 results

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?

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?

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from London Heathrow Airport to Montreal by exploring options for tickets in the afternoon.

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

Travellers seeking maximum savings on their London Heathrow Airport to Montreal flight should consider departing on Wednesday afternoons 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

The most flights from LHR to YMQ are scheduled on a Tuesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Montreal 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

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

Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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

8,219 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

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

8,219 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

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

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

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

1,274 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

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

Azores Airlines

7.6

Good

62 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

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

774 reviews

Delta

8.0

Very Good

8,219 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

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

What are the cheapest airlines flying from London Heathrow Airport to Montreal round-trip?
According to our current data, Air Canada (£388), SWISS (£391), and British Airways (£399) offers the cheapest pricing from London Heathrow Airport to Montreal. Air Canada is 25% 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 £383. Users have also found prices from £386 and £402 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 Air Canada (77%), Austrian Airlines (77%) or Egyptair (77%) 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 £1,051, our data shows the cheapest flight currently is £390. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £386 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

Top 8 airlines flying from Heathrow to Montreal

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£103	Average£596	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	Cheapest£351	Average£557	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air Canada	Cheapest£397	Average£495	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£400	Average£565	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£405	Average£675	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Virgin Atlantic	Cheapest£405	Average£685	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£408	Average£559	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
TAP AIR PORTUGAL	Cheapest£462	Average£581	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights

Fly with Cheapflights

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.

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Cheap flights from London Heathrow Airport to Montreal from £316

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.

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 Sunday

Cheap flight deals from Heathrow to Montreal

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Montreal

Cheapest flights from Heathrow to MontrealExplore 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 20 February 2025.

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 20 February 2025.

Find flights from Heathrow to Montreal within your budget

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.

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 14 February 2025.

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

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 20 February 2025.

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.

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 20 February 2025.

Rainfall in Montreal by month

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

Temperature in Montreal by month

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

Reviews of airlines servicing Montreal

Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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.

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?

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

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

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

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

How can I find direct flights from Heathrow to Montreal?

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

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

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Alternative routes for Heathrow to Montreal

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Heathrow to Montreal

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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 20 February 2025.