Cheap flights from Montreal to London

Montreal
YMQ
London
LON

Flight deals from Montreal to London

Below you can see the best deals on flights Montreal — London for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 19 September, from $282.

Top 10 cheap flights from Montreal to London

TS
$ 290

Montreal — London

22:05—09:50
10 Sep 2026
6 h 45 m
Direct flight
TS
$ 290

Montreal — London

22:05—09:50
13 Sep 2026
6 h 45 m
Direct flight
TS
$ 292

Montreal — London

22:05—09:50
12 Sep 2026
6 h 45 m
Direct flight
TS
$ 292

Montreal — London

22:05—09:50
8 Sep 2026
6 h 45 m
Direct flight
TS
$ 292

Montreal — London

22:05—09:50
15 Sep 2026
6 h 45 m
Direct flight
TS
$ 293

Montreal — London

22:05—09:50
5 Sep 2026
6 h 45 m
Direct flight
TS
TS
$ 298

Montreal — London

16:15—10:45
10 Sep 2026
13 h 30 m
1 stop
TS
TS
$ 298

Montreal — London

14:55—10:45
10 Sep 2026
14 h 50 m
1 stop
TS
TS
$ 298

Montreal — London

06:45—10:45
10 Sep 2026
23 h
1 stop
TS
TS
$ 300

Montreal — London

14:55—07:55
12 Sep 2026
12 h
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

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

The price of a flight from Montreal to London changes depending on how far ahead you book. For the best chance of a lower fare, book around 8 days before departure, when the average ticket costs about $561. Fares also tend to climb as the departure date gets closer.

About the Montreal — London flight

Looking for cheap flights from Montreal to London? Compare fares from different airlines, check the flight schedule and travel time — and book your Montreal — London ticket online at the best price.

The route has direct flights — around 66 flights per week, flights are operated by Air Canada, Air Transat, British Airways, Aer Lingus, a nonstop flight takes about 6 h 40 min, the distance between the cities is around 5,236 km.

Planning your trip? You may find our London travel guide, how to get from the airport into town and London weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $281Min. price
OctoberCheapest
AugustPeak season
YesDirect flights
5,236 kmDistance
6 h 40 minTravel time
4Airlines
66 / wkFlights

Flight schedule from Montreal to London

The table shows direct flights from Montreal to London on the selected date. The flight takes approximately 6 h 40 min. Regular flights are operated by Air Canada, Air Transat, British Airways and Aer Lingus. Departures from Montreal-Pierre Elliott Trudeau International Airport and St. Hubert Airport airports, arrivals at Heathrow Airport, London Gatwick Airport and Stansted Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: Montreal — London

Below is a calendar of the lowest flight ticket prices for Montreal — London by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $281 in October, and the most expensive are around $409 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Montreal to London by month. Tickets are usually cheapest in February (around $477) and priciest in September (about $691) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$486lowMay$572mediumSep$691high
Feb$477lowJun$648highOct$627medium
Mar$496lowJul$513lowNov$555low
Apr$563mediumAug$536lowDec$597medium

Some values are estimated based on seasonality.

When to fly

Weather in London: it is warmest in July (up to 22 °C on average) and coolest in January (around 7 °C). The driest month is June.

Tickets are usually cheapest in October and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · London

Dry and wet days · London

Wind speed and direction · London

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How to get the best deal on a Montreal — London ticket

  • Book ahead: fares for Montreal — London are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Montreal is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to London is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Montreal — London route are operated by 4 airlines; Air Canada runs the most flights (around 36% of all flights). Compare carriers, flight shares and schedules below.

  • Air CanadaAC
    8x/week
    WebsiteFleet: 20346M pax/year
    • Direct flight YUL → LHR8x/week
      Duration
      6h 50m
      Days
      MTWTFSS
    36.4%Open →
  • Air TransatTS
    5x/week
    WebsiteFleet: 405M pax/year
    • Direct flight YUL → LGW5x/week
      Duration
      6h 45m
      Days
      MTWTFSS
    22.7%Open →
  • British AirwaysBA
    5x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight YUL → LHR5x/week
      Duration
      6h 40m
      Days
      MTWTFSS
    21.2%Open →
  • Aer LingusEI
    4x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight YUL → LHR4x/week
      Duration
      6h 40m
      Days
      MTWTFSS
    19.7%Open →

Cities and airports on the Montreal — London route

Flights Montreal — London depart from Montreal-Pierre Elliott Trudeau International Airport and St. Hubert Airport and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Montreal

YMQ
Canada
About the cityHow to get thereWeatherAll about the country Canada
Arrival

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Departure airports
Arrival airports

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Frequently asked questions about the Montreal — London flight

How long is the flight from Montreal to London?

A nonstop Montreal — London flight takes about 6 h 40 min — the distance between the cities is around 5,236 km.

How far is it from Montreal to London?

The distance from Montreal to London is about 5,236 km, which a nonstop flight covers in around 6 h 40 min.

Are there direct flights from Montreal to London?

Yes, there are nonstop flights Montreal — London — around 66 flights per week.

Which airlines fly from Montreal to London?

Airlines operating Montreal — London include Air Canada, Air Transat, British Airways, Aer Lingus. See the full list with schedules in the "Airlines" section on this page.

Which airports do Montreal — London flights use?

Flights from Montreal depart from Montreal-Pierre Elliott Trudeau International Airport, St. Hubert Airport, and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Montreal to London?

The price of a Montreal — London ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in August. Tickets typically cost between $281 and $409. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Montreal — London?

Flights Montreal — London are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Montreal to London?

To catch a low fare Montreal — London, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Montreal

See all
TorontoNew York CityChicagoOttawaQuebec CityWashington, D.C.HalifaxCalgaryVancouverParisDetroitBostonEdmontonSt. John'sFrederictonAtlantaPhiladelphiaMiamiMinneapolisMonctonWinnipegOrlandoFort LauderdaleCancunPunta CanaNashvilleSan FranciscoRomeCharlottetownLos AngelesCasablancaLas VegasFrankfurt am MainRaleighSan DiegoSidneyDallasLisbonAlgiersAmsterdam

Where else you can fly from London

See all
New York CityAmsterdamMadridBarcelonaDublinParisFrankfurt am MainMilanPalmaMalagaEdinburghIstanbulGenevaGlasgowBelfastLisbonFaroZurichNiceRomeLos AngelesCopenhagenAthensAlicanteBerlinSan FranciscoDubaiBostonIbizaTorontoAntalyaMunichChicagoDohaBristolStockholmOsloViennaDusseldorfCardiff

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