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British Airways flights from London to Montreal Pierre Elliott Trudeau Intl Airport (LON - YUL)

LON — YUL
20 Aug — 27 Aug1
1 adult
1 adult, Economy, 0 bags

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Cheapest British Airways flights from London to Pierre Elliott Trudeau Intl
Explore the most affordable British Airways flight options available from London to Pierre Elliott Trudeau Intl. Find the lowest fares with prices last updated on 21 July 2026.

Mon 31/818:05
LHR
-
YUL
Nonstop7h 10m
British Airways
Mon 7/922:00
YUL
-
LHR
Nonstop6h 40m
British Airways
Deal found 20/7£412
Fri 28/818:05
LHR
-
YUL
Nonstop7h 10m
British Airways
Thu 10/922:00
YUL
-
LHR
Nonstop6h 40m
British Airways
Deal found 19/7£413
Mon 31/818:05
LHR
-
YUL
Nonstop7h 10m
British Airways
Thu 17/922:00
YUL
-
LHR
Nonstop6h 40m
British Airways
Deal found 17/7£428

  • How do most travelers feel about British Airways?

    The general consensus from 8,124 Cheapflights users is that British Airways is a 6.7/10. Select your travel dates above for updated prices on flights from London to Montreal Pierre Elliott Trudeau Intl Airport (LON-YUL).

  • Can I get a flight from London to Montreal Pierre Elliott Trudeau Intl Airport on British Airways for under £595?

    Cheapflights currently has 13 LON-YUL flights for under £595. Flights to Montreal Pierre Elliott Trudeau Intl Airport will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

British Airways flights from London to Pierre Elliott Trudeau Intl in 2026

Find detailed information about British Airways flights from London to Pierre Elliott Trudeau Intl. Explore the options provided by British Airways to plan your journey from London to Pierre Elliott Trudeau Intl. Data last updated 21 July 2026.

One-way from

£337

Return from

£408

Popular in

December

Cheapest in

September

Average price (all airlines)

£578
British Airways
  • British Airways
  • 6/9
  • Nonstop
  • 7h 10m total
  • London to Montreal
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British Airways
  • British Airways
  • 27/8-31/8
  • Nonstop
  • 13h 50m total
  • London to Montreal
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Highest demand for flights from London to Montreal Pierre Elliott Trudeau Intl; 1% potential price increase.
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Best time to find cheap flights from London to Montreal Pierre Elliott Trudeau Intl; 1% potential price drop.
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Average price for all London to Montreal Pierre Elliott Trudeau Intl flights (one-way and round-trip).
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Which month is the cheapest to fly Economy class from London to Montreal Pierre Elliott Trudeau Intl Airport?

For Economy class flights, the cheapest month to fly this route is January. The most expensive months are July and March.

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, 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).

When is the best time to book a flight to Montreal Pierre Elliott Trudeau Intl Airport with British Airways?

The best time to book a flight to Montreal Pierre Elliott Trudeau Intl Airport with British Airways is 82 days before departure. On average, fares are higher if you book 2 days before departure.

Best time to book a flight from London to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl on another airline

Consider alternative airlines that service the Pierre Elliott Trudeau Intl area. Flight routes are based on user searches made on Cheapflights and were last updated on 21 July 2026.
Air Canada flights from London to Montreal Pierre Elliott Trudeau Intl
Air Transat flights from London to Montreal Pierre Elliott Trudeau Intl

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 21 July 2026.
British Airways
6.7
Okay
8,124 reviews
Check prices
Overview

Boarding

6.9

Comfort

6.8

Entertainment

6.5

Crew

7.7

Food

6.4

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