Best time to go: what is the RIGHT price for a round-trip flight to London (from: Montreal)

The average price to go to London from Montreal airport is $ 744 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 676 (in february) and $ 846 (in july), which is a saving of $ 69 or a surplus of $ 102 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $705 to $759 and it is generally more economical to leave on a tuesday and return on a monday on a flight with 1 or more layovers.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to London before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Montreal-London plane ticket.

How are these data calculated?

We have studied a sample of 64718 airfare prices from previous years for flights to London from Montreal and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Created with Highcharts 8.2.2 $731 $731 $676 $676 $733 $733 $708 $708 $721 $721 $757 $757 $846 $846 $822 $822 $702 $702 $687 $687 $706 $706 $838 $838Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.550600650700750800850900

Data analysis:

By leaving in february, the price of the plane ticket will statistically be the cheapest ($ 676, saving $ 69 compared to the average price over the year which is $ 744). Conversely, july will be the most expensive ($ 846).

Flight Montreal-London: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 659 $ 731 fair price
February$ 657 $ 676 very good price
March$ 666 $ 733 fair price
April$ 676 $ 708 fair price
May$ 669 $ 721 fair price
June$ 709 $ 757 fair price
July$ 798 $ 846 very high price
August$ 788 $ 822 fair price
September$ 663 $ 702 fair price
October$ 634 $ 687 fair price
November$ 681 $ 706 fair price
December$ 746 $ 838 high price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from Montreal to London

Created with Highcharts 8.2.21%1%3%3%6%6%7%7%22%22%24%24%16%16%10%10%5%5%2%2%1%1%Percentage of plane tickets found at this price$434 to $488$488 to $542$542 to $597$597 to $651$651 to $705$705 to $759$759 to $813$813 to $867$867 to $922$922 to $976$976 to $1030051015202530

Data analysis:

The prices for flights from Montreal to London range from $433 to $1030. 1% of tickets were purchased at the minimum price (from $434 to $488), 1% at the maximum price (from $976 to $1030). The majority of plane tickets were purchased in the range of $705 to $759 (24% of tickets).

Cheapest airlines for the Montreal->London flight

There are 9 companies that serve Montreal from London airport: Air Canada, Air Transat, British Airways, Lufthansa, Finnair, Porter Airlines, TAP, American Airlines and Virgin Atlantic.

Created with Highcharts 8.2.2Air Canada: 27 %Air Canada: 27 %Air Transat: 22 %Air Transat: 22 %British Airways: 18 %British Airways: 18 %Lufthansa: 13 %Lufthansa: 13 %Finnair: 8 %Finnair: 8 %Porter Airlines: 3 %Porter Airlines: 3 %TAP: 2 %TAP: 2 %American Airlines: 2 %American Airlines: 2 %Virgin Atlantic: 1 %Virgin Atlantic: 1 %

Data analysis:

Of the 64718 flights analyzed in previous years, Air Canada was the airline that offered the best fare most often in the flight ticket search results (27% of the time) on the Montreal->London route.

Direct flight or flight with layover?

Created with Highcharts 8.2.2 $757 $757 $684 $684Average ticket price: direct flight or flight with layover(s)Direct flightFlight with layover550600650700750800

Data analysis:

To get the best price for the Montreal-London flight, you should take a flight with one or more layovers (you will save an average of $ 80 compared to a direct flight).

Which day of the week to leave?

Created with Highcharts 8.2.2 $ +7 $ +7 $ -4 $ -4 $ -18 $ -18 $ -7 $ -7 $ -4 $ -4 $ +17 $ +17 $ +21 $ +21Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-20-100102030

Data analysis:

Statistically, Montreal-London flights departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday as your departure date, you can save an average of $18. On the other hand, departing on a saturday may cost you an additional $21.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ +9 $ +9 $ -13 $ -13 $ -13 $ -13 $ -10 $ -10 $ +2 $ +2 $ +7 $ +7 $ +24 $ +24Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-20-100102030

Data analysis:

Statistically, return flights from London to Montreal departing on a monday are cheaper than on other days of the week. By choosing a monday for your return date, you will save an average of $13. Conversely, departing from London on a saturday may cost you an additional $24.


Top prices Montreal-London

Round tripDatesPrice
Montreal → London02-05 to 30-05-2025$ 532 
Montreal → London06-05 to 17-05-2025$ 546 
Montreal → London13-05 to 27-05-2025$ 541 
Montreal → London16-05 to 31-05-2025$ 532 
Montreal → London18-05 to 28-05-2025$ 496 
Montreal → London01-06 to 06-06-2025$ 532 
Montreal → London02-06 to 25-06-2025$ 529 
Montreal → London03-06 to 24-06-2025$ 525 
Montreal → London09-06 to 23-06-2025$ 526 
Montreal → London12-06 to 30-06-2025$ 525 


When to book your flight Montreal - London to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 2 to 3 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Montreal-London flight, it is recommended to book your ticket on a monday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $799 $799 $714 $714 $690 $690 $698 $698 $716 $716 $732 $732 $740 $740 $748 $748 $755 $755 $772 $772 $779 $779 $812 $812Average airfare price based on the number of months between booking and flight0 to 1 month1 to 2 months2 to 3 months3 to 4 months4 to 5 months5 to 6 months6 to 7 months7 to 8 months8 to 9 months9 to 10 months10 to 11 months11 to 12 months550600650700750800850

Data analysis:

To get the cheapest flight ticket from Montreal to London, it is recommended to buy it 2 to 3 months before departure (it is then on average 690 $, which is a saving of 54 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (68 $ more than the average price).

Depending on the departure month

The best time to buy your Montreal to London flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?
January

Best time: 3 to 4 months before departure (average price: 675 $)

Other interesting period(s): 0 to 1 month ($ 713), 1 to 2 months ($ 704), 2 to 3 months ($ 680), 4 to 5 months ($ 711), 5 to 6 months ($ 718)

February

Best time: 2 to 3 months before departure (average price: 611 $)

Other interesting period(s): 1 to 2 months ($ 628), 3 to 4 months ($ 651), 4 to 5 months ($ 673)

March

Best time: 3 to 4 months before departure (average price: 653 $)

Other interesting period(s): 1 to 2 months ($ 728), 2 to 3 months ($ 670), 4 to 5 months ($ 695), 5 to 6 months ($ 672), 6 to 7 months ($ 719), 8 to 9 months ($ 733), 10 to 11 months ($ 704), 11 to 12 months ($ 711)

April

Best time: 4 to 5 months before departure (average price: 672 $)

Other interesting period(s): 1 to 2 months ($ 685), 2 to 3 months ($ 673), 3 to 4 months ($ 679), 5 to 6 months ($ 685), 6 to 7 months ($ 672), 7 to 8 months ($ 696), 8 to 9 months ($ 701)

May

Best time: 3 to 4 months before departure (average price: 631 $)

Other interesting period(s): 1 to 2 months ($ 690), 2 to 3 months ($ 645), 4 to 5 months ($ 679), 5 to 6 months ($ 694)

June

Best time: 4 to 5 months before departure (average price: 670 $)

Other interesting period(s): 2 to 3 months ($ 724), 3 to 4 months ($ 706), 5 to 6 months ($ 710), 6 to 7 months ($ 743)

July

Best time: 11 to 12 months before departure (average price: 779 $)

Other interesting period(s): 6 to 7 months ($ 801), 7 to 8 months ($ 839), 9 to 10 months ($ 812), 10 to 11 months ($ 810)

August

Best time: 7 to 8 months before departure (average price: 781 $)

Other interesting period(s): 1 to 2 months ($ 783), 5 to 6 months ($ 822), 6 to 7 months ($ 814), 10 to 11 months ($ 818), 11 to 12 months ($ 818)

September

Best time: 3 to 4 months before departure (average price: 592 $)

Other interesting period(s): 1 to 2 months ($ 606), 2 to 3 months ($ 595), 4 to 5 months ($ 662)

October

Best time: 3 to 4 months before departure (average price: 587 $)

Other interesting period(s): 1 to 2 months ($ 637), 2 to 3 months ($ 588), 4 to 5 months ($ 599), 5 to 6 months ($ 671)

November

Best time: 4 to 5 months before departure (average price: 639 $)

Other interesting period(s): 1 to 2 months ($ 690), 2 to 3 months ($ 706), 5 to 6 months ($ 694), 6 to 7 months ($ 678), 7 to 8 months ($ 696), 8 to 9 months ($ 706)

December

Best time: 5 to 6 months before departure (average price: 772 $)

Other interesting period(s): 2 to 3 months ($ 810), 3 to 4 months ($ 814), 4 to 5 months ($ 792), 6 to 7 months ($ 798), 7 to 8 months ($ 779), 8 to 9 months ($ 801), 9 to 10 months ($ 826), 10 to 11 months ($ 838)

What day of the week should I book my flight ticket?

Created with Highcharts 8.2.2 $ -2 $ -2 $ -3 $ -3 $ +9 $ +9 $ -3 $ -3 $ -1 $ -1 $ -2 $ -2 $ +7 $ +7Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-4-20246810

Data analysis:

Statistically, monday is the day when plane tickets for Montreal->London are the cheapest. So, by buying your plane ticket on a monday, you will save $3. Conversely, by buying it on a tuesday, you may end up paying $9 more.



Montreal to London: flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
April 2025$ 618
$585 to $862
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May 2025$ 552
$496 to $587
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June 2025$ 612
$522 to $1285
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July 2025$ 768
$684 to $950
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August 2025$ 791
$726 to $1293
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September 2025$ 723
$574 to $778
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October 2025$ 743
$624 to $1526
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November 2025$ 678
$576 to $766
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December 2025$ 821
$684 to $1134
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January 2026$ 775
$684 to $964
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February 2026$ 711
$684 to $780
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Data analysis:

Compared to the average price, april, may, june, july, august, november and december are cheaper to travel to London. So it may be interesting to book now to leave during these months!



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