Cheap flights from the United Kingdom to Montreal from £223

The month of September is, on average, the cheapest month to fly to Montreal from United Kingdom, with most prices found around £470. The month of January is another great option to travel to Montreal, with average flight prices from United Kingdom averaging around £482.

The cheapest day to depart from United Kingdom to Montreal is on a Friday. Travellers who choose to depart for Montreal on a Friday will often find tickets for as low as £587. Flights from United Kingdom to Montreal on a Tuesday will generally be more expensive and average around £611. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the morning is the cheapest time of day to fly from United Kingdom to Montreal when you can find flight prices for as low as £577. Flying to Montreal in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Montreal is at midday when prices are around £625.

Fly from London Heathrow to Montreal Pierre Elliott Trudeau Intl for the best United Kingdom - Montreal flight prices

You are more likely to see cheaper flights to Montreal from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around £553 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from United Kingdom for as low as £520 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, British Airways, and KLM are the most popular carriers operating from United Kingdom to Montreal

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Montreal from United Kingdom according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Montreal. Keep in mind that there are 9 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between United Kingdom and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

As of October 2026, 14 flights take off from United Kingdom and land in Montreal each day. The most common flight departure time for this route is 14:00, with 51% of daily flights taking off in the afternoon.

The number of flights available between United Kingdom and Montreal is 103 per week as of October 2026. The most frequent departure day is Sun, with 18% of weekly flights leaving on this day.