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

Return flights

28 Aug - 08 Sep	Lufthansa
25 Aug - 08 Sep	Lufthansa
19 Aug - 24 Aug	ITA Airways
28 Aug - 06 Sep	Lufthansa
19 Aug - 16 Sep	Lufthansa
18 Aug - 08 Sep	Lufthansa
27 Aug - 31 Aug	Lufthansa
21 Aug - 27 Aug	Lufthansa
21 Aug - 31 Aug	Lufthansa
21 Aug - 01 Sep	Lufthansa
25 Aug - 31 Aug	Lufthansa
20 Aug - 24 Aug	KLM
28 Aug - 31 Aug	Lufthansa
21 Aug - 28 Aug	Air Dolomiti
14 Aug - 26 Aug	KLM
10 Aug - 17 Aug	KLM
04 Aug - 01 Sep	Lufthansa
23 Aug - 04 Sep	SWISS
01 Aug - 01 Sep	KLM
29 Aug - 19 Sep	SWISS

Also check the deals for one-way flights from London to Toronto 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 London to Toronto in August from 539€

Return flights