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

Return flights

09 Oct - 15 Oct	Ryanair
08 Oct - 15 Oct	Ryanair
09 Oct - 21 Oct	Ryanair
09 Oct - 13 Oct	Ryanair
08 Oct - 21 Oct	Ryanair
09 Oct - 17 Oct	Ryanair
15 Oct - 21 Oct	Ryanair
08 Oct - 11 Oct	Ryanair
09 Oct - 09 Oct	Ryanair
07 Oct - 15 Oct	Ryanair
25 Oct - 04 Nov	easyJet
29 Oct - 06 Nov	easyJet
23 Oct - 01 Nov	easyJet
25 Oct - 06 Nov	Ryanair
16 Oct - 10 Nov	easyJet
21 Oct - 03 Nov	Ryanair
11 Oct - 10 Nov	easyJet
20 Oct - 03 Nov	easyJet
18 Oct - 01 Nov	easyJet
29 Oct - 04 Nov	easyJet

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 335€

Return flights