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

Sunday, August 23rd, 2026

6 round-trip options

Returning
Sat, Aug 29, 2026•6 Day Trip
$595 USD
Google Flights
Returning
Mon, Aug 31, 2026•8 Day Trip
$595 USD
Google Flights
Returning
Tue, Sep 1, 2026•9 Day Trip
$595 USD
Google Flights
Returning
Wed, Sep 2, 2026•10 Day Trip
$595 USD
Google Flights
Returning
Thu, Sep 3, 2026•11 Day Trip
$606 USD
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Returning
Sat, Sep 5, 2026•13 Day Trip
$606 USD
Google Flights