S$670 Cheap Flights from Montreal to London

View S$670 flight on Mon, 13 Oct, 2025Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)

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Cheap Flights from Montreal to London (YUL-LHR)

Prices were available within the past 7 days and start at S$670 for one-way flights and S$902 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$902 Return, found 1 day ago
S$902
Return
found 1 day ago
Select American Airlines flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$902 found 1 day ago
Finnair
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$907 Return, found 1 day ago
S$907
Return
found 1 day ago
Select Finnair flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$907 found 1 day ago
American Airlines
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$923 Return, found 1 day ago
S$923
Return
found 1 day ago
Select American Airlines flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$923 found 1 day ago
Finnair
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$928 Return, found 1 day ago
S$928
Return
found 1 day ago
Select Finnair flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$928 found 1 day ago
American Airlines
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$933 Return, found 1 day ago
S$933
Return
found 1 day ago
Select American Airlines flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$933 found 1 day ago
American Airlines
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$938 Return, found 1 day ago
S$938
Return
found 1 day ago
Select American Airlines flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$938 found 1 day ago
American Airlines
Sat, 21 Jun - Sat, 28 Jun
YUL
Montreal
LHR
London
S$939 Return, found 6 days ago
S$939
Return
found 6 days ago
Select American Airlines flight, departing Sat, 21 Jun from Montreal to London, returning Sat, 28 Jun, priced at S$939 found 6 days ago
British Airways
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$941 Return, found 1 day ago
S$941
Return
found 1 day ago
Select British Airways flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$941 found 1 day ago
Virgin Atlantic
Tue, 15 Jul - Sat, 19 Jul
YUL
Montreal
LHR
London
S$1,049 Return, found 23 hours ago
S$1,049
Return
found 23 hours ago
Select Virgin Atlantic flight, departing Tue, 15 Jul from Montreal to London, returning Sat, 19 Jul, priced at S$1,049 found 23 hours ago
Delta
Thu, 18 Sep - Wed, 24 Sep
YUL
Montreal
LHR
London
S$1,052 Return, found 1 day ago
S$1,052
Return
found 1 day ago
Select Delta flight, departing Thu, 18 Sep from Montreal to London, returning Wed, 24 Sep, priced at S$1,052 found 1 day ago
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, Royal Air Maroc, Swiss International Air Lines, United, Virgin Atlantic
Return price
S$901
Distance
5185 km
Average flight time
11 hours 36 mins

Perfect flights from Montreal to London

Your Journey from Montreal to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Montreal to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including American Airlines, Royal Air Maroc, British Airways, Finnair, Delta, Virgin Atlantic. Our selection of flights from Pierre Elliott Trudeau Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Montreal to London Flights

Experience the joy of finding cheap flights from Pierre Elliott Trudeau Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$670 and roundtrip prices from S$902*.
 

Pre-Flight Essentials

Ensure a smooth journey from Montreal to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Montreal to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Montreal to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Montreal to London with Confidence

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*Note: Prices may vary based on availability and are subject to change.

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 S$902. 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.

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