The cheapest times to fly from LHR to YUL are

  • January 15th to February 4th
  • May 7th to July 8th
  • August 27th to December 2nd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LHR to YUL is early June. Prices can be as high as $987 for Saturday flights during early August, or as low as $422 for Tuesday flights around early June.


When to Fly to Montreal

Flying from London (LHR) to Montreal (YUL) will usually cost between $426 to $805 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early June with an average ticket price of $423. Due to high demand the most expensive time to fly is early August, with an average price of $909. Planning your trip to low-cost times can easily save you $486 on economy flights and even more on first-class flights. Generally, any price below $585 can be considered a good price for a round-trip LHR to YUL flight.

See below for a graph of average weekly prices for the LHR to YUL route. All prices are for round-trip tickets in USD.

LHR to YUL Flight Prices

Compared to other flights, the LHR to YUL flight is cheaper than the average and costs less than the average flight leaving from London. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $45 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $554. Return trip prices are from the YUL to LHR flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LHR to YUL can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 6 hour 49 minutes may be realistic.


Flight Hacking LHR to YUL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LHR to YUL — but Champion Traveler does!

Hack #1: Paris (LHR > CDG > YUL)

  • Price for both tickets: $491
  • Average savings: $94 (16.08%)

See LHR to DUB flights

Hack #2: Dublin (LHR > DUB > YUL)

  • Price for both tickets: $522
  • Average savings: $63 (10.78%)

See LHR to CDG flights

Hack #3: Zurich (LHR > ZRH > YUL)

  • Price for both tickets: $555
  • Average savings: $30 (5.13%)

See LHR to ZRH flights


Flight Questions Answered

Still have questions about flying from LHR to YUL? We’ve got answers.

Which airlines fly this route?

You can find 30 major airlines flying this route most often: Aegean, Aer Lingus, Aeromexico, Air Algerie, Air Canada, Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Condor, Delta, EgyptAir, Finnair, Iberia, Icelandair, KLM, LOT, Lufthansa, Porter Airlines, Royal Air Maroc, Singapore Airlines, SWISS, Tap Air Portugal, Tunisair, Turkish Airlines, United, Virgin Atlantic, WestJet, and potentially more during busy seasons.

How far away is it from Pierre Elliott Trudeau International Airport to London Heathrow Airport?

The distance between the two airports is roughly 3239 miles or 5213 kilometers.

How long does it take to fly from LHR to YUL?

The real-world flight time for a nonstop LHR to YUL flight is about 6 hour 49 minutes.

How many flights go between London and Montreal?

It depends on the day of the week and the date, but a typical day might have around 71 available flights from LHR to YUL.


Airport Location Info


Departing Airport

Origination code LHR
Origination airport name London Heathrow Airport
City London
Country the United Kingdom
Latitude 51.5
Longitude -0.5

Return Airport

Destination code YUL
Destination airport name Pierre Elliott Trudeau International Airport
City Montreal
Country Canada
Latitude 45.5
Longitude -73.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.