$279 Cheap Flights from Montreal (YUL) to London (LHR)

View $279 flight on Fri, Jan 16, 2026Opens 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 $279 for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Wed, Nov 26 - Wed, Dec 3
YUL
Montreal
LHR
London
$497 Roundtrip, found 8 hours ago
$497
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Wed, Nov 26 from Montreal to London, returning Wed, Dec 3, priced at $497 found 8 hours ago
TAP Portugal
Mon, Nov 10 - Mon, Nov 17
YUL
Montreal
LHR
London
$499 Roundtrip, found 3 days ago
$499
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Mon, Nov 10 from Montreal to London, returning Mon, Nov 17, priced at $499 found 3 days ago
TAP Portugal
Wed, Nov 26 - Wed, Dec 3
YUL
Montreal
LHR
London
$504 Roundtrip, found 8 hours ago
$504
Roundtrip
found 8 hours ago
Select TAP Portugal flight, departing Wed, Nov 26 from Montreal to London, returning Wed, Dec 3, priced at $504 found 8 hours ago
TAP Portugal
Fri, Nov 28 - Sat, Dec 13
YUL
Montreal
LHR
London
$507 Roundtrip, found 3 days ago
$507
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Fri, Nov 28 from Montreal to London, returning Sat, Dec 13, priced at $507 found 3 days ago
TAP Portugal
Sun, Nov 23 - Sun, Nov 30
YUL
Montreal
LHR
London
$526 Roundtrip, found 10 hours ago
$526
Roundtrip
found 10 hours ago
Select TAP Portugal flight, departing Sun, Nov 23 from Montreal to London, returning Sun, Nov 30, priced at $526 found 10 hours ago
Air Canada
Mon, Sep 22 - Tue, Sep 30
YUL
Montreal
LHR
London
$541 Roundtrip, found 7 hours ago
$541
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Mon, Sep 22 from Montreal to London, returning Tue, Sep 30, priced at $541 found 7 hours ago
Lufthansa
Mon, Sep 22 - Tue, Sep 30
YUL
Montreal
LHR
London
$552 Roundtrip, found 7 hours ago
$552
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Mon, Sep 22 from Montreal to London, returning Tue, Sep 30, priced at $552 found 7 hours ago
American Airlines
Tue, Sep 2 - Fri, Sep 12
YUL
Montreal
LHR
London
$552 Roundtrip, found 5 hours ago
$552
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Sep 2 from Montreal to London, returning Fri, Sep 12, priced at $552 found 5 hours ago
British Airways
Mon, Sep 15 - Mon, Sep 29
YUL
Montreal
LHR
London
$555 Roundtrip, found 7 hours ago
$555
Roundtrip
found 7 hours ago
Select British Airways flight, departing Mon, Sep 15 from Montreal to London, returning Mon, Sep 29, priced at $555 found 7 hours ago
Austrian Airlines
Tue, Oct 7 - Tue, Oct 14
YUL
Montreal
LHR
London
$600 Roundtrip, found 1 day ago
$600
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Tue, Oct 7 from Montreal to London, returning Tue, Oct 14, priced at $600 found 1 day ago

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

January is typically the cheapest month to fly

From $476 - $1,013 per traveler.

Graph displaying average flight prices per month

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $905
LGW
Gatwick
Average driving time to city center52 min
Flights from $905
Flights from Montreal (YUL) to London (LHR)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, KLM, Lufthansa, Royal Air Maroc, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$496
Distance
3241 mi
Average flight time
11 hours 36 mins

Montreal to London Flights

The cheapest times to fly from Montreal to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to London are during the month of November. You can find some of the cheapest flights from Montreal to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to London

Sunday is one of the best days to book for cheap flights from Montreal to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $279 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR) cost?
You can book cheap return tickets starting at $556 from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Lufthansa flight leaving YUL on July 19 2025 and touching down at LHR. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from YUL to LHR?
The cheapest flights from YUL to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)?
When departing from Pierre Elliott Trudeau Intl. Airport (YUL), you can board a direct flight to Heathrow Airport (LHR) with Air Canada.
What is the cheapest airline that flies from YUL to LHR?
With fares starting at $318 for a one-way flight from YUL to LHR, Lufthansa is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YUL on July 30 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)?
On average, you'll only find 1 nonstop flight departing from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR) every day. If this doesn't work with your itinerary, check out flights with a layover. Simply filter your search results on Expedia to include one stop or more to find the next best option.
What are the most popular departure times for flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)?
More passengers fly between YUL and LHR at 7 PM than at any other point in the day. Rather go when it's quieter? Travel outside of rush hours and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from YUL to LHR?
Travel on a Friday if you're searching for the largest selection of flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR).
What is the earliest flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)?
The earliest flight leaving Pierre Elliott Trudeau Intl. Airport (YUL) is at around 7:15PM UTC-5. Board this plane and you'll reach Heathrow Airport (LHR) at approximately 7:10AM UTC+0. The total travel time is 6h 55m.
How long does it take to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)?
It takes about 6 hours and 53 minutes to travel the 3,200 mi from YUL to LHR.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)?
Select a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Pierre Elliott Trudeau Intl. Airport (YUL)?
If you're taking a direct flight from Pierre Elliott Trudeau Intl. Airport (YUL) to London, Heathrow Airport (LHR) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR) last-minute?
Booking your plane ticket from YUL to LHR shortly before your trip is typically more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a YUL to LHR flight and hotel package?
Booking a YUL to LHR flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Heathrow Airport (LHR)?
If you reserved your YUL to LHR flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.