Montreal to London

1 ways to travelfastest 8h 25mfly from €256
Photo: Benjamin Davies / Unsplash

When is it cheapest to fly?

Aug: from €349 — show this month's calendar €349 AugSep: from €337 — show this month's calendar €337 SepOct: from €256 — show this month's calendar €256 Oct

How the cheapest fare moved

Aug 19: €355 €355 Aug 12 Aug 19 low €256 · high €443

Departure-day prices · March 2029 Montreal → London

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Return-day prices · March 2029 London → Montreal

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Best time to visit London — climate

Jan: ~7°C daytime, 13 rainy days 7° JanFeb: ~8°C daytime, 10 rainy days 8° FebMar: ~13°C daytime, 3 rainy days 13° MarApr: ~18°C daytime, 3 rainy days 18° AprMay: ~20°C daytime, 8 rainy days 20° MayJun: ~25°C daytime, 6 rainy days 25° JunJul: ~24°C daytime, 9 rainy days 24° JulAug: ~23°C daytime, 7 rainy days 23° AugSep: ~19°C daytime, 11 rainy days 19° SepOct: ~15°C daytime, 9 rainy days 15° OctNov: ~12°C daytime, 15 rainy days 12° NovDec: ~10°C daytime, 11 rainy days 10° Dec

Best value: Sep — fares from €337 and ~19°C daytime.

Flights from Montreal to London start around €256 (typically 1 stop). Range seen recently: €256–337, based on 2 fares found by travellers.

Fly (from €256)
8h 25mduration
€256–337recent fares
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Cheapest cached fares Montreal → London; typically 1 stop (e.g. TS). · Based on 2 fares found by travellers in the last 48h

Cheapest round trips to London

Fares found by travellers in the last 48 hours — refreshed daily.

Nov 7 – Nov 28 Air Transat · 1 stop · 9h 30m €480 Book
Sep 30 – Oct 4 Porter Airlines Canada · 1 stop · 8h 24m €513 Book
Sep 21 – Sep 27 Air Canada · 2 stops · 11h 23m €536 Book
Oct 29 – Nov 15 British Airways · Direct · 6h 50m €601 Book
Dec 11 – Dec 19 Air Transat · 1 stop · 9h 20m €627 Book
Aug 29 – Sep 5 KLM · 1 stop · 8h 10m €737 Book
Jul 27 – Aug 10 Air Transat · Direct · 6h 45m €773 Book
Jul 26 – Aug 10 Air Canada · 1 stop · 7h 19m €775 Book

Weather in London

Wed 🌦️ 24° 17° 💧100%
Thu 🌦️ 22° 16° 💧85%
Fri 🌦️ 20° 14° 💧57%
Sat 🌤️ 20° 12° 💧17%
Sun 🌤️ 22° 15° 💧0%
Mon 🌦️ 23° 16° 💧14%
Tue 🌦️ 20° 16° 💧18%

Where to stay in London

3★+ hotels from €189/night (38 hotels sampled, ~3 weeks out). Best value in London: Zone 2 east (Shoreditch, Hackney) and south (Southwark, Bermondsey) — 10-15 minutes by Tube at notably lower prices than the West End.

Park Plaza London, Park Royal hotel · London
from €189/night★ 4
See availability
Park Plaza London Riverbank hotel · London
from €229/night★ 4
See availability
Park Plaza London Waterloo hotel · London
from €243/night★ 4
See availability

Good to know

CurrencyGBP · €1 ≈ 0.86
Power plugsType G
BorderPassport/ID checks apply
Time difference+5h
Time in the air6h 45m

Things to do in London

Top-rated tours and tickets from €11 — book ahead for the popular ones.

from €80
European Evening Walking Food Tour in London, Ontario★ 5.0 (1)
from €127
Private:Brewery, Winery, and Cider & Spirit Tastings Tour in SW Ontario★ 4.7 (14)
from €11
A Remarkable Scavenger Hunt: Exploring Forest City
from €57
Downtown London Walking Food Tour
from €18
Scavenger Hunt Adventure in London by Zombie Scavengers

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About London

Vibrant and truly multicultural, London is a megalopolis of people, ideas and frenetic energy. The capital and largest city of the United Kingdom sits on the River Thames in South-East England. Greater London has a population of a little over 9 million. Considered one of the world's leading "global cities", London remains an international capital of culture, music, education, fashion, politics, finance and trade.

Read the full London guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

eSIM for LondonData from the moment you land — no roaming bills. Rent a car in LondonCompare local and international rental desks. Airport transferFixed-price pickup waiting at arrivals. Travel insuranceMedical + luggage cover from a few €/day.

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Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-08-19. Some links earn Stayonomy a commission at no cost to you.