$217 Cheap Flights from Montreal (YUL) to London (LON)

View $217 flight on Sat, Oct 18, 2025Opens in a new window

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

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Cheap Flights from Montreal to London (YUL-LON)

Prices were available within the past 7 days and start at $217 for one-way flights and $465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, Dec 5 - Sun, Dec 7
YUL
Montreal
LGW
London
$465 Roundtrip, found 4 days ago
$465
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Fri, Dec 5 from Montreal to London, returning Sun, Dec 7, priced at $465 found 4 days ago
TAP Portugal
Mon, Nov 17 - Fri, Nov 28
YUL
Montreal
LHR
London
$490 Roundtrip, found 3 hours ago
$490
Roundtrip
found 3 hours ago
Select TAP Portugal flight, departing Mon, Nov 17 from Montreal to London, returning Fri, Nov 28, priced at $490 found 3 hours ago
Air Transat
Wed, Oct 8 - Tue, Oct 14
YUL
Montreal
LGW
London
$509 Roundtrip, found 5 days ago
$509
Roundtrip
found 5 days ago
Select Air Transat flight, departing Wed, Oct 8 from Montreal to London, returning Tue, Oct 14, priced at $509 found 5 days ago
Air Canada
Thu, Nov 20 - Wed, Nov 26
YUL
Montreal
LHR
London
$528 Roundtrip, just found
$528
Roundtrip
just found
Select Air Canada flight, departing Thu, Nov 20 from Montreal to London, returning Wed, Nov 26, priced at $528 just found
Porter Airlines
Mon, Sep 15 - Tue, Sep 23
YUL
Montreal
LGW
London
$528 Roundtrip, found 3 days ago
$528
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Mon, Sep 15 from Montreal to London, returning Tue, Sep 23, priced at $528 found 3 days ago
Lufthansa
Mon, Nov 24 - Mon, Dec 8
YUL
Montreal
LHR
London
$531 Roundtrip, found 12 hours ago
$531
Roundtrip
found 12 hours ago
Select Lufthansa flight, departing Mon, Nov 24 from Montreal to London, returning Mon, Dec 8, priced at $531 found 12 hours ago
Swiss International Air Lines
Mon, Feb 16 - Tue, Mar 17
YUL
Montreal
LGW
London
$544 Roundtrip, just found
$544
Roundtrip
just found
Select Swiss International Air Lines flight, departing Mon, Feb 16 from Montreal to London, returning Tue, Mar 17, priced at $544 just found
American Airlines
Mon, Nov 24 - Sun, Nov 30
YUL
Montreal
LHR
London
$546 Roundtrip, just found
$546
Roundtrip
just found
Select American Airlines flight, departing Mon, Nov 24 from Montreal to London, returning Sun, Nov 30, priced at $546 just found
British Airways
Thu, Feb 26 - Sat, Mar 7
YUL
Montreal
LHR
London
$549 Roundtrip, just found
$549
Roundtrip
just found
Select British Airways flight, departing Thu, Feb 26 from Montreal to London, returning Sat, Mar 7, priced at $549 just found
Austrian Airlines
Thu, Nov 20 - Wed, Nov 26
YUL
Montreal
LHR
London
$559 Roundtrip, just found
$559
Roundtrip
just found
Select Austrian Airlines flight, departing Thu, Nov 20 from Montreal to London, returning Wed, Nov 26, priced at $559 just found

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

September is typically the cheapest month to fly

From $461 - $741 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 Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $776
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from $776
Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $917
LGW
Gatwick
Average driving time to city center52 min
Flights from $917
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $1,229
LCY
London City
Closest
Average driving time to city center21 min
Flights from $1,229
Flights from Montreal (YUL) to London (LGW)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Gatwick
Roundtrip price
$464
Distance
3261 mi

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 December. 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 $217 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 is a flight from Montreal Airport to London (LON-All Airports)?
Start packing your suitcase, because round-trip journeys between YUL and London (LON-All Airports) start from $465. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to nab 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 London (LON-All Airports)?
Each airline has a different set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Montréal–Trudeau to London (LON-All Airports) 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 London (LON-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Montréal–Trudeau to London (LON-All Airports)?
Dorval to England is around 3232 mi, so be prepared to spend a while in the air. Make sure you pack all the essentials, from your toothbrush to your hairbrush. Throw in a few snacks to nibble on throughout your flight too.
Which airlines fly direct from Montréal–Trudeau to London (LON-All Airports)?
There are several airlines that fly straight from Pierre Elliott Trudeau Intl. Airport (YUL) to London (LON-All Airports). Air Canada (AC) is a popular option, offering 30 flights every month. British Airways (BA) is another option. It offers 30 flights each month. Between these two airlines, you'll be able to find a good deal from Dorval to England.
Are YUL to London (LON-All Airports) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Montreal Airport to London (LON-All Airports) at the last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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*Available to One Key members.