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

Friday, December 18th, 2026

7 round-trip options

Returning
Thu, Dec 24, 2026•6 Day Trip
$755 USD
Google Flights
Returning
Fri, Dec 25, 2026•7 Day Trip
$727 USD
Google Flights
Returning
Sun, Dec 27, 2026•9 Day Trip
$727 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$727 USD
Google Flights
Returning
Tue, Dec 29, 2026•11 Day Trip
$727 USD
Google Flights
Returning
Thu, Dec 31, 2026•13 Day Trip
$878 USD
Google Flights
Returning
Fri, Jan 1, 2027•14 Day Trip
$878 USD
Google Flights