Cheapest return flights from Montreal to London in August from $508

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

Return flights

31 Aug - 13 Sep Air Transat
31 Aug - 15 Sep Air Transat
15 Aug - 25 Sep Air Transat direct
06 Aug - 30 Sep Air Transat direct
23 Aug - 15 Sep Air Transat
26 Aug - 09 Sep Air Transat
06 Aug - 21 Sep Air Transat
01 Aug - 26 Sep Air Transat
31 Aug - 07 Sep Air Transat
20 Aug - 28 Aug Air Transat direct
13 Aug - 28 Aug Air Transat direct
02 Aug - 23 Aug Air Transat direct
02 Aug - 18 Aug Air Transat direct
15 Aug - 28 Aug Air Transat direct
14 Aug - 04 Sep Air Transat direct
06 Aug - 17 Aug Air Transat direct
14 Aug - 26 Aug Air Transat direct
13 Aug - 25 Aug Air Transat direct
05 Aug - 17 Aug Air Transat direct
08 Aug - 24 Aug Air Transat direct

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

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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.

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