Cheapest return flights from Montreal to London in August from $660

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

20 Aug - 27 Aug TAP
21 Aug - 28 Aug TAP
24 Aug - 07 Sep TAP
27 Aug - 10 Sep Air Canada
06 Aug - 25 Aug TAP
31 Aug - 07 Sep TAP
18 Aug - 25 Aug Porter Airlines (Canada) Ltd
05 Aug - 20 Aug Air Canada
26 Aug - 02 Sep Air Transat
27 Aug - 03 Sep Air Transat
06 Aug - 21 Aug Porter Airlines (Canada) Ltd
14 Aug - 04 Sep TAP
13 Aug - 20 Aug TAP
17 Aug - 24 Aug TAP
14 Aug - 21 Aug TAP
26 Aug - 02 Sep Finnair direct
25 Aug - 01 Sep British Airways direct
22 Aug - 25 Aug Porter Airlines (Canada) Ltd
27 Aug - 03 Sep Finnair direct
14 Aug - 04 Sep British Airways direct

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.

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