AirHint found the following cheapest return flights from Toronto (YTZ) to London (LGW) in August 2026 (see full year).

Return flights

31 Aug - 13 Sep	Air Transat
25 Aug - 30 Sep	Air Transat
10 Aug - 24 Aug	Air Transat
10 Aug - 19 Aug	Air Transat
24 Aug - 31 Aug	Air Transat
19 Aug - 01 Sep	Air Transat
11 Aug - 18 Aug	Air Transat
12 Aug - 19 Aug	Air Transat
02 Aug - 24 Aug	Air Transat
04 Aug - 11 Aug	Air Transat
02 Aug - 12 Aug	Air Transat
12 Aug - 17 Aug	Air Transat
10 Aug - 17 Aug	Air Transat
28 Aug - 13 Sep	Air Transat
24 Aug - 04 Sep	Air Transat
04 Aug - 03 Sep	Air Transat
12 Aug - 06 Sep	Air Transat
24 Aug - 03 Sep	Air Transat
28 Aug - 08 Sep	Air Transat
20 Aug - 03 Sep	Air Transat

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

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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Cheapest return flights from Toronto to London in August from $652

Return flights