S$405 Cheap Flights from Montreal to London

View S$405 flight on Sat, 26 Jul, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Montreal to London (YUL-LHR)

Prices were available within the past 7 days and start at S$405 for one-way flights and S$706 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$706 Return, found 10 hours ago
S$706
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$706 found 10 hours ago
British Airways
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$724 Return, found 10 hours ago
S$724
Return
found 10 hours ago
Select British Airways flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$724 found 10 hours ago
American Airlines
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$727 Return, found 10 hours ago
S$727
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$727 found 10 hours ago
American Airlines
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$742 Return, found 10 hours ago
S$742
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$742 found 10 hours ago
British Airways
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$745 Return, found 10 hours ago
S$745
Return
found 10 hours ago
Select British Airways flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$745 found 10 hours ago
American Airlines
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$763 Return, found 10 hours ago
S$763
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$763 found 10 hours ago
American Airlines
Thu, 17 Jul - Wed, 17 Dec
YUL
Montreal
LHR
London
S$873 Return, found 2 days ago
S$873
Return
found 2 days ago
Select American Airlines flight, departing Thu, 17 Jul from Montreal to London, returning Wed, 17 Dec, priced at S$873 found 2 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$880 Return, found 10 hours ago
S$880
Return
found 10 hours ago
Select Air Canada flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$880 found 10 hours ago
Delta
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$1,014 Return, found 10 hours ago
S$1,014
Return
found 10 hours ago
Select Delta flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$1,014 found 10 hours ago
Air France
Thu, 4 Sep - Wed, 10 Sep
YUL
Montreal
LHR
London
S$1,108 Return, found 10 hours ago
S$1,108
Return
found 10 hours ago
Select Air France flight, departing Thu, 4 Sep from Montreal to London, returning Wed, 10 Sep, priced at S$1,108 found 10 hours ago

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

January is typically the cheapest month to fly

From S$609 - S$1,297 per traveller.

Graph displaying average flight prices per month

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, Lufthansa, United, Virgin Atlantic
Return price
S$705
Distance
5185 km
Average flight time
11 hours 36 mins

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$706. 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

London Airports

London

*Available to Expedia members.