Cheap Flights Montreal to London from £196

Flight FAQs

• Which airlines offer the cheapest flights from Montreal to London?

  Based on Trip.com data, Air Transat offers Cheapest nonstop one-way flights from £196 (for example, YUL–LTN on Fri, Nov 20). For a Cheapest nonstop return flight, Air Transat offers fares from £362, departing on Tue, Nov 24 and returning on Tue, Dec 1.

• Which airlines offer direct flights from Montreal to London?

  At the moment, you can catch a direct flight from Montreal to London with the following airlines, including: Air Transat Air Canada British Airways American Airlines Finnair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Montreal to London?

  A flight from Montreal (YMQ) to London (LON) takes an average of 6 hours 47 minutes.

• When is the best time to book flights from Montreal to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Montreal to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Montreal to London each week?

  On average, 19 direct flights operate each week between Montreal and London. See below the schedules of the main airlines serving this route:
  American Airlines: S/M/T/W/T/F/S – AA6919 (departure at 22:38)

• How can I find the best deals on flights from Montreal to London?

  Here are some tips for finding the best flight deals from Montreal to London on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Fri, Nov 20, with one-way fares from just £196.
  · Compare airlines. Air Transat currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. January is generally the busiest month for travel to London.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Montreal to London to get the best price?

  The cheapest month to book a flight from Montreal to London is usually September, when demand is lower.

• Which upcoming date is the cheapest for flights from Montreal to London?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Montreal to London on October 19, 2026 with Air Transat, with prices starting at £203.

• Which airports should you choose for flights from Montreal to London?

  Flights to London can arrive at: London City Airport (LCY), London Gatwick Airport (LGW), Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN) and London Stansted Airport (STN). The most common route connects Montréal-Pierre Elliott Trudeau International Airport and London Gatwick Airport (YUL–LGW).

• What is the time difference between Montreal and London?

  The time difference between London and Montreal is 5h.

• How can I change or cancel my flight ticket from Montreal to London?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Montreal to London?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Montreal to London is £418. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Montreal to London?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Montreal to London is £722. Fares vary by travel date, airline and availability.

• How do I book flights from Montreal to London on Trip.com?

  Enter Montreal and London, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Montreal to London route?

  Air Transatare the most popular budget airlines flying from Montreal to London. Check baggage, seat and payment fees before comparing the final price.