London Heathrow (LHR) to Montreal (YUL) flight deal in economy from $540

Air CanadaACAir Canada
Round Trip•Economy
United KingdomLHR

London Heathrow Airport

London Heathrow, United Kingdom
CanadaYUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada
$610 USD
-11%$540 USD
Verified 19 days ago
Great Availability
75% of dates checked are available within 10% of the lowest price

Wednesday, December 9th, 2026

7 round-trip options

Returning
Tue, Dec 15, 2026•6 Day Trip
$548 USD
Google Flights
Returning
Wed, Dec 16, 2026•7 Day Trip
$680 USD
Google Flights
Returning
Fri, Dec 18, 2026•9 Day Trip
$718 USD
Google Flights
Returning
Sat, Dec 19, 2026•10 Day Trip
$680 USD
Google Flights
Returning
Sun, Dec 20, 2026•11 Day Trip
$688 USD
Google Flights
Returning
Tue, Dec 22, 2026•13 Day Trip
$680 USD
Google Flights
Returning
Wed, Dec 23, 2026•14 Day Trip
$540 USD
Google Flights