฿8,990 Cheap Flights from Montreal (YUL) to London (LHR)

View ฿8,990 flight on Mon, 13 Oct 2025Opens in a new window

Popular airlines from Trudeau International Airport (YUL) to Heathrow Airport (LHR)

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Cheap Flights from Montreal (YUL) to London (LHR)

Prices were available within the past 7 days and start at ฿8,990 for one-way flights and ฿17,505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿17,505 Return, found 5 days ago
฿17,505
Return
found 5 days ago
Select Air Canada flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿17,505 found 5 days ago
Air Canada
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿17,855 Return, found 5 days ago
฿17,855
Return
found 5 days ago
Select Air Canada flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿17,855 found 5 days ago
Air Canada
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿18,070 Return, found 5 days ago
฿18,070
Return
found 5 days ago
Select Air Canada flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿18,070 found 5 days ago
Air Canada
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿20,685 Return, found 5 days ago
฿20,685
Return
found 5 days ago
Select Air Canada flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿20,685 found 5 days ago
Air Canada
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿20,900 Return, found 5 days ago
฿20,900
Return
found 5 days ago
Select Air Canada flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿20,900 found 5 days ago
Air Canada
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿21,035 Return, found 5 days ago
฿21,035
Return
found 5 days ago
Select Air Canada flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿21,035 found 5 days ago
American Airlines
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿21,115 Return, found 5 days ago
฿21,115
Return
found 5 days ago
Select American Airlines flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿21,115 found 5 days ago
TAP Portugal
Wed, 10 Sep - Sun, 14 Sep
YUL
Montreal
LHR
London
฿24,955 Return, found 1 day ago
฿24,955
Return
found 1 day ago
Select TAP Portugal flight, departing Wed, 10 Sep from Montreal to London, returning Sun, 14 Sep, priced at ฿24,955 found 1 day ago
British Airways
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿25,255 Return, found 5 days ago
฿25,255
Return
found 5 days ago
Select British Airways flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿25,255 found 5 days ago
KLM
Sat, 11 Oct - Thu, 23 Oct
YUL
Montreal
LHR
London
฿27,645 Return, found 5 days ago
฿27,645
Return
found 5 days ago
Select KLM flight, departing Sat, 11 Oct from Montreal to London, returning Thu, 23 Oct, priced at ฿27,645 found 5 days ago

Find the cheapest month to fly from Montreal (YUL) to London (LHR)

January is typically the cheapest month to fly

From ฿15,510 - ฿33,017 per traveller.

Graph displaying average flight prices per month

Flight from Montreal to London route information
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, United
Return price
฿17,505
Distance
5185 km
Average flight time
11 hours 36 mins

Perfect flights from Montreal to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Montreal to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of London, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Pierre Elliott Trudeau Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from ฿8,990 and roundtrip prices from ฿17,505. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore London and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your YUL to LHR travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from Montréal–Trudeau to Heathrow Airport (LHR)?
Start packing your suitcase, because round-trip flights from YUL to Heathrow Airport start from ฿17,505. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport?
This can differ between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from Montréal–Trudeau to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Pierre Elliott Trudeau Intl. Airport (YUL) to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Montréal–Trudeau to Heathrow Airport (LHR)?
The distance is around 5,200 kilometres, so pack your carry-on luggage with everything you need to make the long journey comfortable. Not sure what to take on board your Dorval to Hounslow flight? A sleep mask, earplugs and a neck pillow are a few essentials.
Which airlines fly direct from Montreal Airport to Heathrow Airport (LHR)?
Air Canada (AC) is a popular choice. It operates 30 flights from Montréal–Trudeau to LHR each month. British Airways (BA) is also worth considering. It offers 30 flights a month. Between these two airlines, you'll be able to find a good deal from Dorval to Hounslow.
Are Montréal–Trudeau to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so there are no guarantees. While last-minute deals between Montréal–Trudeau and London Heathrow are possible, it's also a good idea to keep track of prices well before you fly. In fact, some air carriers advertise their prices up to a year prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to grab your seat when the price is right.

Explore a world of travel with Expedia

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