Montreal to London flights

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Lowest observed

€241

Average observed

€356

Cheapest month

October 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €245

Below average

14 Oct 2026

1 stop · One way

Cheapest observed day · Last checked: 11 Oct 2026

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Lowest observed: €241, departing 13 Oct 2026 (Last checked: 11 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 29Check live prices for this route
Airlines seen: Air Canada, British Airways, Air Transat, American Airlines, Porter Airlines Canada, TAP Air Portugal +1 more
Reported fastest flight: 6h 50m
Non-stop: Yes

Short answer

We have seen Air Canada fares from Montreal to London, non-stop. The lowest fare our own searches returned is €241, seen on 11 Oct 2026. The average across the fares we caught is €356. October 2026 is the cheapest month in our observations, at €241. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Montreal to London. Prices move often, so pick your dates to see the latest options.

Route distance: 5,220 km
Reported fastest flight: 6h 50m
Airlines seen: Air Canada, British Airways, Air Transat, American Airlines, Porter Airlines Canada, TAP Air Portugal +1 more
Alternative airports: YHU, YMX, LCY, LGW, LTN, SEN, STN

Route-level information; individual journeys vary.
Published schedules report non-stop service with Air Canada, British Airways. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

Montréal / Saint-Hubert Metropolitan Airport (YHU) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 11 km.
Montreal / Pierre Elliott Trudeau International Airport (YUL) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 15 km.
Montreal Mirabel International Airport (YMX) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 42 km.
London City Airport (LCY) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 13 km.
London Heathrow (LHR) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 23 km.
London Gatwick (LGW) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 40 km.
London Luton (LTN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 44 km.
London Stansted (STN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 49 km.
London Southend Airport (SEN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 57 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest fare by departure month

Cheapest month from Montreal to London: October 2026, from €241 (checked 11 Oct 2026).

Lowest fare by departure month
Month	Lowest fare	Priced days
October 2026	€241	18
November 2026	€272	11

Lowest fare by day of the week

Cheapest day of the week from Montreal to London: Tuesday, from €241 (checked 11 Oct 2026).

Lowest fare by day of the week
Day	Lowest fare	Priced days
Monday	€253	4
Tuesday	€241	5
Wednesday	€245	4
Thursday	€245	4
Friday	€255	4
Saturday	€276	4
Sunday	€276	4

One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.

Lowest fare by days before departure

Lowest fare from Montreal to London by days until departure (0 to 7 days): €241 (checked 11 Oct 2026).

Lowest fare by days before departure
Days before departure	Lowest fare	Priced days
0 to 7 days	€241	8
8 to 30 days	€257	16
31 to 60 days	€272	5

One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.

Fares for different departure dates, checked now; not a guide to when to book.

Frequently asked

How much is a flight from Montreal to London?

The lowest fare we have observed is €241, found on 11 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Montreal to London?

Cheapest month from Montreal to London: October 2026, from €241 (checked 11 Oct 2026).

Are there direct flights from Montreal to London?

Yes. We have seen non-stop flights on this route, flown by Air Canada, British Airways.

Which airlines fly from Montreal to London?

These are the carriers we have seen on the route: Air Canada, British Airways, Air Transat, American Airlines, Porter Airlines Canada, TAP Air Portugal +1 more.

How many of the observed Montreal to London fares were non-stop?

17 of the 36 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

Which day of the week is cheapest from Montreal to London?

Cheapest day of the week from Montreal to London: Tuesday, from €241 (checked 11 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide