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

Friday, July 24th, 2026

6 round-trip options

Returning
Thu, Jul 30, 20266 Day Trip
$802 USD
Returning
Sat, Aug 1, 20268 Day Trip
$826 USD
Returning
Sun, Aug 2, 20269 Day Trip
$903 USD
Returning
Mon, Aug 3, 202610 Day Trip
$911 USD
Returning
Tue, Aug 4, 202611 Day Trip
$903 USD
Returning
Thu, Aug 6, 202613 Day Trip
$911 USD