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

Return flights

31 Oct - 07 Nov	Ryanair
07 Oct - 12 Oct	Ryanair
16 Oct - 20 Oct	Ryanair
07 Oct - 21 Oct	Ryanair
05 Oct - 16 Oct	Ryanair
15 Oct - 26 Oct	Wizz Air
08 Oct - 12 Oct	Ryanair
14 Oct - 21 Oct	Wizz Air
15 Oct - 21 Oct	easyJet
04 Oct - 17 Oct	Ryanair
06 Oct - 10 Oct	Ryanair
14 Oct - 04 Nov	Wizz Air
30 Oct - 04 Nov	Wizz Air
27 Oct - 14 Nov	Wizz Air
28 Oct - 02 Nov	Ryanair
29 Oct - 03 Nov	easyJet
30 Oct - 03 Nov	easyJet
31 Oct - 04 Nov	Ryanair
15 Oct - 06 Nov	easyJet
30 Oct - 02 Nov	Ryanair

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 375€

Return flights