Cheapest return flights from Montreal to London in August from $624

Best time to book flights for Montreal (YUL) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to London (LGW) in August 2025 (see full year).

Return flights

12 Aug - 26 Aug FrenchBee
19 Aug - 26 Aug FrenchBee
26 Aug - 02 Sep Air Transat
29 Aug - 14 Sep Air Transat
28 Aug - 11 Sep Air Transat
21 Aug - 28 Aug FrenchBee
27 Aug - 03 Sep Air Transat
31 Aug - 07 Sep Air Transat
20 Aug - 27 Aug TAP
29 Aug - 13 Sep Air Transat
28 Aug - 10 Sep Air Transat
07 Aug - 03 Sep FrenchBee
31 Aug - 11 Sep Air Transat
06 Aug - 03 Sep FrenchBee
08 Aug - 15 Aug Air Transat direct
14 Aug - 21 Aug Air Transat direct
20 Aug - 27 Aug Air Transat direct
23 Aug - 30 Aug Air Transat direct
02 Aug - 15 Aug Air Transat direct
10 Aug - 17 Aug Air Transat

Also check the deals for one-way flights from Montreal to London in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in London

Cheap car rent in London