Nonstop flight about 6 h 33

London from Montreal

Published October 4, 2026 · HolidayWow editors · Written with AI, numbers checked against our data ·

From Montreal, a nonstop flight gets you in London in about 6 h 33. You land at London Heathrow Airport (LHR), 23 km from the destination, after 5,215 km of flight. You can also fly nonstop to LGW (about 6 h 35).

In London, the best time for a trip is June to September, with daytime highs up to 23 °C.

7 days in London in August, Beach and hiking, from Montreal on your own

Plan a trip

Flight time from Montreal: about 6 h 33
Flight distance YUL to LHR: 5,215 km
Nonstop from YUL to 2 airports: Nonstop flight
Best time to go: June to September

Flight times estimated from the distance, nonstop routes according to OpenTravelData.

Why choose a Montreal to London flight?

London rewards a clear plan because the city brings famous landmarks, museums, markets, parks, neighbourhoods, and river views into one compact destination. A flight from Montreal gives you a direct starting point for exploring central London and then choosing how far you want to extend the trip.

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Many visitors use London as the starting point for a longer European journey. You can spend several days in the city, then add another base for a change of scenery and a different pace. A relaxed pace suits a first visit, while a balanced pace works well when you want to pair major sights with local walks and unplanned stops.

The right choice also depends on when you want to travel. Spring brings longer daylight hours, summer offers the warmest days, and autumn can feel comfortable for walking through the city. Winter is a good season for museums, markets, and indoor cultural stops, with a packed jacket ready for the cooler parts of the day.

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Choose the London season that matches your trip

April is a useful shoulder month for a first London visit. The average daytime temperature reaches 14 °C, with nights around 4 °C, and the month records 6 sunshine hours and 9 rain days. You can pair outdoor landmarks with indoor stops as the weather changes through the day. Layering works well, especially for early mornings and evening walks.

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May and June add more warmth and daylight. May reaches 17 °C during the day and 7 °C at night, with 7 sunshine hours. June offers 21 °C days, 11 °C nights, and 7 sunshine hours. These months suit visitors who want to make the most of riverside paths, gardens, markets, and longer walking days.

July and August are the warmest months, with daytime temperatures of 23 °C and night temperatures of 13 °C. Autumn brings a change in colour and a comfortable 16 °C daytime average in October. You can use the climate figures as a planning guide rather than a forecast, then decide which months suit your preferred activities and travel length.

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Choose the London season that matches your trip

Plan the first days around London neighbourhoods

A first itinerary can begin near Westminster, where you can see the Palace of Westminster, Big Ben, and the River Thames. From there, move toward central London for museums, shopping streets, and food. Keeping nearby stops together makes the early part of the trip easier to shape and gives you room to change your mind after seeing the city.

Add a day for the British Museum or another major cultural site, then include a park such as Hyde Park or Richmond Park. These places give the trip a different rhythm from the historic centre. A balanced pace of 2 to 3 stops per day leaves space for a long lunch, a coffee, or a walk that begins without a fixed destination.

For a shorter stay, concentrate on one or two areas instead of covering the whole city. The Tower of London and Tower Bridge fit naturally into a day near the river. With more time, add a neighbourhood such as Notting Hill, Kensington, or Greenwich. Choose the base that matches your food, shopping, and museum priorities.

From Montreal to London

From Montreal, London is {{dist.home:YUL}} away as the crow flies. From Toronto it is {{dist.home:YYZ}}. Vancouver lies {{dist.home:YVR}} away. From Montreal, the months that pay off most are June, July, August and September.

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Calgary lies {{dist.home:YYC}} away. Ottawa lies {{dist.home:YOW}} away. Door to door, the plan lines up the ride to the airport, the flight with live fares and the transfer on arrival.

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Airports at the destination

From Montreal you fly nonstop to 2 airports nearby. Closest to the destination is London Heathrow Airport, at 23 km.

LHRLondon Heathrow Airport23 km to the destination, about 6 h 33 from YUL, 5,215 km of flightNonstop
LCYLondon City Airport13 km to the destination, about 6 h 35 from YUL, 5,246 km of flight
LGWLondon Gatwick Airport40 km to the destination, about 6 h 35 from YUL, 5,246 km of flightNonstop

Best time to travel in London

In London, the best time for a trip is June to September, with daytime highs up to 23 °C.

Climate by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day °C	7	8	11	14	17	21	23	23	20	16	11	8
Night °C	1	2	3	4	7	11	13	13	10	8	5	3
Sun h/day	2	3	5	6	7	7	7	6	5	3	2	2
Rain days	14	12	11	9	11	11	12	11	10	13	14	14

Climate: NASA POWER 2006 to 2025, sea: NOAA OISST 1991 to 2020. Day and night are average highs and lows, sun in hours per day.

The best months for London

July is the hottest month at 23 °C, while January drops to 7 °C. Rain is rarest in April (9 days) and most frequent in January (14 days). The sunniest month is May with 7 hours a day.

For walking and sightseeing in pleasant warmth, aim for June, July, August and September.

January: 7 °C, 14 rain days, 2 h of sun
February: 8 °C, 12 rain days, 3 h of sun
March: 11 °C, 11 rain days, 5 h of sun
April: 14 °C, 9 rain days, 6 h of sun
May: 17 °C, 11 rain days, 7 h of sun
June: 21 °C, 11 rain days, 7 h of sun
July: 23 °C, 12 rain days, 7 h of sun
August: 23 °C, 11 rain days, 6 h of sun
September: 20 °C, 10 rain days, 5 h of sun
October: 16 °C, 13 rain days, 3 h of sun
November: 11 °C, 14 rain days, 2 h of sun
December: 8 °C, 14 rain days, 2 h of sun

Busy and quiet months in London

Search interest for London peaks in June and is lowest in December, based on monthly search volumes.

How to shape a June day in London

Mornings suit an unhurried walk through the old streets or along the water. The warmest hours, at 21 °C, are perfect for being outside. Evenings drop to 11 °C, so plan dinner somewhere warm and keep a layer handy.

Packing for London in July

With 23 °C by day and 13 °C at night and 12 rain days in July, pack for changeable mild weather. Your plan builds this list for you and updates it when you change the dates.

Comfortable walking shoes
A warm layer for the evenings
A packable rain jacket or umbrella
A travel adapter for your chargers

Weather in London month by month

January7 °C
February8 °C
March11 °C
April14 °C
May17 °C
June21 °C
July23 °C
August23 °C
September20 °C
October16 °C
November11 °C
December8 °C

Nonstop flights in London from other airports

Besides Montreal, nonstop flights in London leave from 7 other airports; the closest to Montreal is Ottawa, with a flight time of about 6 h 42.

Flight times estimated from the distance, nonstop routes according to OpenTravelData.

Prices for London

Every price for London on this page comes live from a partner, in your currency. Open a card to see today's rate for your dates.

Make the map work for your arrival

The HolidayWow planner starts with a sentence or voice description. Tell it that you are travelling from Montreal to London, name your month, and describe the kind of trip you want. The planner reads the place, dates, group, pace, and budget from your words, then places the days on a map.

Each day can be adjusted after you see the route. Drag a stop to another day, swap a place, or make a day lighter when you want more time for a museum, meal, or local walk. The plan checker reorders the day after each change, so the route continues to reflect your priorities.

The side panel assistant follows the same plan. Ask it to adjust a day, change a neighbourhood, or add a stop, and the plan updates in the same way as the controls. The trip film lets you see the flight arc, bases, and daily route as a shareable visual plan.

Build a London itinerary by trip length

For a short city break, keep the plan concentrated. Spend one day around Westminster and the Thames, one day at major museums and central neighbourhoods, and one day for a park, a market, and a flexible evening. Three days work well when you want a clear introduction to London without spreading the route across too many areas.

For a longer vacation, give London a proper base and add a second destination. You can spend the first part of the trip on Westminster, museums, and the river, then move to another city or countryside base for a change of pace. Dates are optional at the start, so you can shape the route by month and add exact dates later.

A packed pace can support 3 to 5 stops per day, while a relaxed pace focuses on 1 to 2 stops. For families, couples, and groups, the group plan can include shared comments, voting, and roles for viewing or editing. A packing list and checklist can reflect the month and climate, helping you prepare for London’s changeable conditions.

Use Canadian planning habits for the whole journey

The page can also show distances from Toronto, Vancouver, Calgary, Ottawa, Edmonton, Halifax, and Winnipeg through their own home city links, which helps you compare the journey before choosing a flight.

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The Canadian Long Weekend planner can help you connect public holidays and leave days with the London trip. March break, summer vacation, and Christmas break are useful planning points when your schedule is shaped by school or work. Add dates once your flights and accommodation are ready, then review the day cards for weekday context, climate, and current partner prices.

HolidayWow shows live prices for stays, tours, transport, and flights through partner links in your language and CAD. You can compare options inside the plan, use price watch for stays and tours, and split costs with a group. The app is free to download and free to plan with, so you can shape the itinerary before confirming any bookings.

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London from Montreal: frequently asked questions

How far is London from Montreal?

The distance helps you understand the scale of the journey, while the planner places the flight arc and your London route on one map. You can then add neighbourhoods, sightseeing days, and an onward base around the city.

Which London months are warmest?

July and August are the warmest months in the climate data, with daytime temperatures of 23 °C and night temperatures of 13 °C. June and September are also comfortable for walking, with 21 °C and 20 °C daytime averages. Choose the month that matches the activities and pace you want.

Can I plan a London trip before booking flights?

Yes. Start with a month and describe the trip in one sentence or by voice. The planner creates a map first, with days, stops, and routes. You can add exact dates later, then use the same plan to compare live partner prices and keep stays, transport, tours, and flights together.

How do I change the route after planning it?

The plan is editable. You can drag a stop to another day, swap a place, or make a day lighter. The plan checker reorders the day after each change. The side panel assistant can also respond to a request and make the adjustment through the same planning actions.

Does the planner work for a group from Montreal?

It works well for groups, couples, and families travelling from Montreal. Share one link and give people roles for viewing or editing. Group members can comment and vote, while cost splitting helps organize the trip. A packing list and checklist are also built around your plan, month, and destination climate.

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Plan your trip in London from Montreal

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