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

Return flights

26 Aug - 06 Sep	TAP
27 Aug - 03 Sep	TAP
07 Aug - 21 Aug	TAP
06 Aug - 24 Aug	TAP
07 Aug - 28 Aug	TAP
24 Aug - 13 Sep	TAP
27 Aug - 07 Sep	TAP
26 Aug - 19 Sep	TAP
06 Aug - 27 Aug	TAP
14 Aug - 30 Aug	TAP
21 Aug - 30 Aug	TAP
21 Aug - 12 Sep	TAP
31 Aug - 17 Sep	TAP
09 Aug - 23 Aug	TAP
06 Aug - 20 Aug	TAP
05 Aug - 26 Aug	TAP
28 Aug - 07 Sep	TAP
05 Aug - 12 Aug	Finnair
23 Aug - 24 Sep	TAP
14 Aug - 05 Sep	Iberia

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 492€

Return flights