Cheap flights from London to Montreal from $388

The month of October is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from London averaging around $309.

The cheapest day to depart from London to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $712. Flights from London to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $785. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the afternoon is the cheapest time of day to fly from London to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $725. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $778.

Fly from London Gatwick to Montreal Pierre Elliott Trudeau Intl for the best London - Montreal Pierre Elliott Trudeau Intl flight prices

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $710 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from London for as low as $663 on momondo.

There are 3 cabin classes available to choose from on London to Montreal Pierre Elliott Trudeau Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 10% of flights between London and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

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

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

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

Newark (EWR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Zurich (ZRH) offer the lowest average round-trip price of $683.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 11h 20m.

Zurich (ZRH) has the shortest average layover time for this route: 0h 55m.

As of June 2026, 14 flights take off from London and land in Montreal Pierre Elliott Trudeau Intl Airport each day. The most common flight departure time for this route is 2:00PM, with 44% of daily flights taking off in the afternoon.

As of June 2026, 101 flights take off from London and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.