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Air Transat flights from London to Montreal Pierre Elliott Trudeau Intl Airport (LON - YUL)

LON — YUL
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

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

Air Transat flights from London to Pierre Elliott Trudeau Intl in 2026

Find detailed information about Air Transat flights from London to Pierre Elliott Trudeau Intl. Explore the options provided by Air Transat to plan your journey from London to Pierre Elliott Trudeau Intl. Data last updated 16 February 2026.

One-way from

£310

Return from

£365

Popular in

December

Cheapest in

May

Average price (all airlines)

£466
Air Transat
  • Air Transat
  • 23/5
  • 1 total stop
  • 14h 52m total
  • London to Montreal
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Air Transat
  • Air Transat
  • 5/3-17/3
  • 2 total stops
  • 37h 02m total
  • London to Montreal
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Highest demand for flights from London to Montreal Pierre Elliott Trudeau Intl; 4% potential price increase.
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Best time to find cheap flights from London to Montreal Pierre Elliott Trudeau Intl; 2% 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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  • How do most travelers feel about Air Transat?

    When planning your LON-YUL trip, keep in mind that Air Transat is typically rated 7.7/10. This rating comes from 508 reviews by Cheapflights users who have traveled with Air Transat.

  • Can I get a flight from London to Montreal Pierre Elliott Trudeau Intl Airport on Air Transat for under £512?

    Cheapflights currently has 10 LON-YUL flights for under £512. 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.

Find Air Transat flight deals from London to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest Air Transat flights from London to Pierre Elliott Trudeau Intl
Explore the most affordable Air Transat flight options available from London to Pierre Elliott Trudeau Intl. Find the lowest fares with prices last updated on 16 February 2026.

Thu 5/311:40
LGW
-
YUL
1 stop26h 37m
Air Transat
Tue 17/319:20
YUL
-
LGW
1 stop10h 25m
Air Transat
Deal found 15/2£365
Sat 21/211:40
LGW
-
YUL
1 stop26h 40m
Air Transat
Mon 2/314:30
YUL
-
LGW
1 stop14h 15m
Air Transat
Deal found 16/2£367
Tue 24/211:40
LGW
-
YUL
1 stop14h 15m
Air Transat
Sun 29/317:25
YUL
-
LGW
1 stop12h 20m
Air Transat
Deal found 13/2£369

How far ahead should I book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport with Air Transat?

Use this chart to determine the optimal time to book a return flight from London to Pierre Elliott Trudeau Intl. Price data was last updated on 13 February 2026.

Booking with Air Transat 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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).

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 16 February 2026.
Air Canada flights from London to Montreal Pierre Elliott Trudeau Intl

See what others are saying about Air Transat

Read reviews and see what other travellers are saying about their experiences with Air Transat. 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 Air Transat for your next flight. Reviews last updated 16 February 2026.
Air Transat
7.7
Good
508 reviews
Check prices
Overview

Boarding

7.9

Comfort

7.3

Crew

8.4

Food

6.8

Entertainment

7.0

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