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

Return flights

28 Aug - 04 Sep	TAP
26 Aug - 04 Sep	TAP
24 Aug - 04 Sep	TAP
27 Aug - 07 Sep	TAP
27 Aug - 09 Sep	TAP
26 Aug - 02 Sep	TAP
27 Aug - 31 Aug	TAP
11 Aug - 14 Sep	Air Transat	direct
21 Aug - 07 Sep	TAP
23 Aug - 06 Sep	TAP
24 Aug - 28 Aug	TAP
29 Aug - 05 Sep	WestJet
10 Aug - 21 Aug	TAP
02 Aug - 10 Aug	TAP
14 Aug - 23 Aug	TAP
10 Aug - 30 Aug	TAP
03 Aug - 24 Aug	TAP
04 Aug - 25 Aug	TAP
16 Aug - 30 Aug	TAP
03 Aug - 24 Aug	Air Transat	direct

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 $644

Return flights