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, August 12th, 2026

6 round-trip options

Returning
Tue, Aug 18, 2026•6 Day Trip
$878 USD
Google Flights
Returning
Thu, Aug 20, 2026•8 Day Trip
$878 USD
Google Flights
Returning
Fri, Aug 21, 2026•9 Day Trip
$878 USD
Google Flights
Returning
Sat, Aug 22, 2026•10 Day Trip
$878 USD
Google Flights
Returning
Sun, Aug 23, 2026•11 Day Trip
$878 USD
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Returning
Tue, Aug 25, 2026•13 Day Trip
$878 USD
Google Flights