British Airways flights from London to Montreal (LON - YMQ)

LON — YMQ
21 Jan — 28 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Montreal on British Airways typically fly into Montreal Pierre Elliott Trudeau Intl and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from London to Montreal in 2025

Find detailed information about British Airways flights from London to Montreal. Explore the options provided by British Airways to plan your journey from London to Montreal. Data last updated 22 December 2025.

One-way from

£294

Return from

£493

Popular in

December

Cheapest in

February

Average price (all airlines)

£612
British Airways
  • British Airways
  • 1/3
  • Nonstop
  • 7h 35m total
  • London to Montreal
British Airways
  • British Airways
  • 11/5-21/6
  • Nonstop
  • 13h 50m total
  • London to Montreal
Highest demand for flights from London to Montreal; 7% potential price increase.
Best time to find cheap flights from London to Montreal; 3% potential price drop.
Average price for all London to Montreal flights (one-way and round-trip).
  • Can I get a flight from London to Montreal on British Airways for under £673?

    10 British Airways flights from LON to YMQ have recently been found on Cheapflights for under £673. Click here to find the best deals to Montreal for your desired dates.

  • Does British Airways service alternative airports for LON-YMQ?

    When traveling from London to Montreal, there are typically alternate options for departure airport, arrival airport, or both. When arriving in Montreal, most people land at Montreal Pierre Elliott Trudeau Intl, but that is not the only available airport that British Airways flies to. Many people choose to land at Montreal St Hubert depending on where there are traveling to in the area. If you are looking for alternative departure airport to London Heathrow, consider flying out of London Gatwick which also offers British Airways flights.

  • How do most travelers feel about British Airways?

    Cheapflights users who travel with British Airways (a popular airline from London to Montreal) have rated them a 6.7/10. This rating comes from 7,602 reviews. If you are looking to travel LON-YMQ, search your dates above.

Find British Airways flight deals from London to Montreal

Enter your travel dates to find the best prices.

Cheapest British Airways flights from London to Montreal
Explore the most affordable British Airways flight options available from London to Montreal. Find the lowest fares with prices last updated on 22 December 2025.

Sat 27/1216:10LHR - YUL
Nonstop7h 35mBritish Airways
Wed 31/1220:40YUL - LHR
Nonstop6h 50mBritish Airways
Deal found 20/12£756
Mon 22/1216:10LHR - YUL
Nonstop7h 35mBritish Airways
Sun 28/1220:40YUL - LHR
Nonstop6h 50mBritish Airways
Deal found 20/12£799
Sat 27/1216:10LHR - YUL
Nonstop7h 35mBritish Airways
Tue 30/1220:40YUL - LHR
Nonstop6h 50mBritish Airways
Deal found 20/12£876

Travel insights for British Airways flights from London to Montreal

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

How far ahead should I book a flight from London to Montreal with British Airways?

Use this chart to determine the optimal time to book a return flight from London to Montreal. Price data was last updated on 19 December 2025.

Booking with British Airways 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Montreal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Montreal with British Airways?

Currently, the most affordable month to book a British Airways flight from London to Montreal in September, with an average price of £315. Conversely, traveling with British Airways from London to Montreal in July will be the most expensive, with an average cost of £417. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London to Montreal

The most British Airways flights from LON to YMQ are scheduled on a Monday (1 on average). You will have fewer British Airways flight options on Monday, which is when the least amount of flights are scheduled (1 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).

Best time to book a flight from London to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from London 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.

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Fly from London to Montreal on another airline

Consider alternative airlines that service the Montreal area. Flight routes are based on user searches made on Cheapflights and were last updated on 22 December 2025.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 22 December 2025.
British Airways
6.7
Okay
7,602 reviews
Overview

Comfort

6.7

Boarding

6.9

Food

6.4

Crew

7.6

Entertainment

6.4

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