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

Return flights

05 Oct - 19 Oct	ITA Airways
07 Oct - 19 Oct	ITA Airways
12 Oct - 22 Oct	ITA Airways
05 Oct - 12 Oct	ITA Airways
06 Oct - 13 Oct	ITA Airways
05 Oct - 15 Oct	ITA Airways
14 Oct - 19 Oct	ITA Airways
01 Oct - 08 Oct	Austrian Airlines
01 Oct - 12 Oct	Austrian Airlines
01 Oct - 04 Oct	Austrian Airlines
31 Oct - 04 Nov	SWISS
23 Oct - 02 Nov	Lufthansa
19 Oct - 01 Nov	Icelandair
18 Oct - 01 Nov	SWISS
26 Oct - 04 Nov	Lufthansa
25 Oct - 01 Nov	SWISS
18 Oct - 01 Nov	Air Canada	direct

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

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 October from 427€

Return flights