Cheapest return flights from Montreal to London in August from $748

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

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

Return flights

27 Aug - 09 Sep Air Canada direct
26 Aug - 02 Sep Lufthansa
26 Aug - 02 Sep Air Canada direct
25 Aug - 01 Sep Air Canada direct
27 Aug - 03 Sep Air Canada direct
24 Aug - 31 Aug Air Canada direct
28 Aug - 04 Sep Air Canada direct
28 Aug - 04 Sep Lufthansa
12 Aug - 19 Aug Lufthansa
18 Aug - 25 Aug Lufthansa
19 Aug - 26 Aug Lufthansa
06 Aug - 13 Aug Air Canada direct
12 Aug - 19 Aug Air Canada direct
18 Aug - 25 Aug Air Canada direct
20 Aug - 27 Aug Air Canada direct
11 Aug - 18 Aug Air Canada direct
13 Aug - 20 Aug Air Canada direct
31 Aug - 07 Sep Virgin Atlantic
30 Aug - 07 Sep Virgin Atlantic
16 Aug - 21 Sep Air France

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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