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

Friday, December 11th, 2026

7 round-trip options

Returning
Thu, Dec 17, 20266 Day Trip
$680 USD
Returning
Fri, Dec 18, 20267 Day Trip
$718 USD
Returning
Sun, Dec 20, 20269 Day Trip
$688 USD
Returning
Mon, Dec 21, 202610 Day Trip
$676 USD
Returning
Tue, Dec 22, 202611 Day Trip
$680 USD
Returning
Thu, Dec 24, 202613 Day Trip
$569 USD
Returning
Fri, Dec 25, 202614 Day Trip
$540 USD