LHR to YUL from $540 in economy

ACAir Canada

Round Trip•Economy

LHR

London Heathrow Airport

London Heathrow, United Kingdom

YUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

$610 USD

-11%$540 USD

Verified 19 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5 6$789 7$743 8$743 9$787 10$806 11$806 12$787 13$606 14$606 15$755 16$755 17$755 18$903 19$755 20$755 21$755 22$755 23$755 24$802 25$755 26$755 27$755 28$755 29$755 30$755 31$977 1$1,120 2$906

Great Availability

75% of dates checked are available within 10% of the lowest price

Tuesday, July 14th, 2026

6 round-trip options

Returning

Mon, Jul 20, 2026•6 Day Trip

$606 USD

Google Flights

Returning

Wed, Jul 22, 2026•8 Day Trip

$606 USD

Google Flights

Returning

Thu, Jul 23, 2026•9 Day Trip

$606 USD

Google Flights

Returning

Fri, Jul 24, 2026•10 Day Trip

$606 USD

Google Flights

Returning

Sat, Jul 25, 2026•11 Day Trip

$606 USD

Google Flights

Returning

Mon, Jul 27, 2026•13 Day Trip

$606 USD

Google Flights

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

London Heathrow Airport

Montréal-Pierre Elliott Trudeau International Airport

July 2026

Tuesday, July 14th, 2026