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

Return flights

16 Sep - 21 Sep	Ryanair
01 Sep - 22 Sep	Ryanair
01 Sep - 09 Sep	Ryanair
01 Sep - 16 Sep	Ryanair
08 Sep - 22 Sep	Ryanair
16 Sep - 23 Sep	Ryanair
01 Sep - 08 Sep	Ryanair
02 Sep - 14 Sep	Ryanair
23 Sep - 28 Sep	Ryanair
01 Sep - 15 Sep	Ryanair
27 Sep - 07 Oct	Wizz Air Malta
24 Sep - 01 Oct	Wizz Air Malta
22 Sep - 02 Oct	Ryanair
23 Sep - 07 Oct	easyJet
25 Sep - 02 Oct	Ryanair
21 Sep - 03 Oct	easyJet
26 Sep - 02 Oct	easyJet
15 Sep - 05 Oct	easyJet
25 Sep - 01 Oct	Wizz Air Malta
16 Sep - 12 Oct	easyJet

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

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 September from 487€

Return flights