Cheapest return flights from Montreal to London in August from $668

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

26 Aug - 02 Sep Air Transat
18 Aug - 02 Sep Air Transat
27 Aug - 03 Sep Air Transat
20 Aug - 27 Aug TAP
29 Aug - 13 Sep Air Transat
31 Aug - 07 Sep Air Transat
29 Aug - 05 Sep Air Transat
25 Aug - 01 Sep Air Transat
21 Aug - 28 Aug TAP
08 Aug - 22 Aug Air Transat direct
05 Aug - 12 Aug Air Transat direct
23 Aug - 30 Aug Air Transat direct
08 Aug - 15 Aug Air Transat direct
14 Aug - 21 Aug Air Transat direct
16 Aug - 23 Aug Air Transat direct
20 Aug - 27 Aug Air Transat direct
14 Aug - 04 Sep Air Transat direct
25 Aug - 01 Sep Air Transat direct
15 Aug - 26 Aug TAP
15 Aug - 01 Sep Air Transat

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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