Air Transat flights from London to Montreal (LON - YMQ)

LON — YMQ
30 Nov — 7 Dec1
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 Montreal in 2025

Find detailed information about Air Transat flights from London to Montreal. Explore the options provided by Air Transat to plan your journey from London to Montreal. Data last updated 31 October 2025.

One-way from

£395

Return from

£379

Popular in

December

Cheapest in

February

Average price (all airlines)

£458
Air Transat
  • Air Transat
  • 16/1
  • 1 total stop
  • 17h 55m total
  • London to Montreal
Air Transat
  • Air Transat
  • 27/11-8/12
  • 2 total stops
  • 26h 00m total
  • London to Montreal
Highest demand for flights from London to Montreal; 6% potential price increase.
Best time to find cheap flights from London to Montreal; 2% 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 Air Transat for under £531?

    London to Montreal flights on Air Transat are currently available under £531. 4 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • Does Air Transat 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 Air Transat flies to. Many people choose to land at Montreal St Hubert depending on where there are traveling to in the area. Alternatively, if you are looking for more options when departing from London, consider London Gatwick which is the closest major airport to London Heathrow that offers Air Transat flights.

  • How do most travelers feel about Air Transat?

    Air Transat has received a 7.8/10 rating from 469 Cheapflights user reviews. If you wish to plan your next trip from London to Montreal with Air Transat, enter your preferred travel dates above!

Find Air Transat flight deals from London to Montreal

Enter your travel dates to find the best prices.

Cheapest Air Transat flights from London to Montreal
Explore the most affordable Air Transat flight options available from London to Montreal. Find the lowest fares with prices last updated on 31 October 2025.

Thu 27/1111:40LGW - YUL
1 stop11h 45mAir Transat
Mon 8/1214:30YUL - LGW
1 stop14h 15mAir Transat
Deal found 29/10£379
Fri 7/1111:40LGW - YUL
1 stop17h 55mAir Transat
Fri 14/1106:45YUL - LGW
1 stop22h 00mAir Transat
Deal found 29/10£382
Mon 24/1111:40LGW - YUL
1 stop15h 40mAir Transat
Sun 30/1117:25YUL - LGW
1 stop11h 20mAir Transat
Deal found 29/10£386

Travel insights for Air Transat flights from London to Montreal

Get recent, data-driven insights about Air Transat 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 Air Transat?

Use this chart to determine the optimal time to book a return flight from London to Montreal. Price data was last updated on 24 October 2025.

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. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 31 October 2025.

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 31 October 2025.
Air Transat
7.8
Good
469 reviews
Overview

Boarding

7.9

Food

6.8

Crew

8.5

Entertainment

7.1

Comfort

7.4

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