AirHint found the following cheapest return flights from London (LTN) to Toronto (YYZ) in August 2025 (see full year).

Return flights

30 Aug - 01 Sep	Ryanair
23 Aug - 30 Sep	easyJet
30 Aug - 13 Sep	Ryanair
30 Aug - 02 Sep	Ryanair
23 Aug - 01 Sep	easyJet
23 Aug - 09 Sep	easyJet
30 Aug - 06 Sep	Ryanair
21 Aug - 07 Sep	Ryanair
28 Aug - 02 Sep	Ryanair
29 Aug - 10 Sep	easyJet
28 Aug - 31 Aug	easyJet
30 Aug - 31 Aug	easyJet
25 Aug - 31 Aug	easyJet
23 Aug - 26 Aug	Ryanair
21 Aug - 31 Aug	Ryanair
22 Aug - 31 Aug	easyJet
26 Aug - 31 Aug	easyJet
23 Aug - 31 Aug	easyJet
27 Aug - 31 Aug	easyJet
23 Aug - 30 Aug	Ryanair

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 439€

Return flights