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

Return flights

09 Sep - 21 Sep	easyJet
09 Sep - 15 Sep	easyJet
09 Sep - 16 Sep	easyJet
20 Sep - 30 Sep	easyJet
02 Sep - 08 Sep	easyJet
02 Sep - 16 Sep	easyJet
27 Sep - 11 Oct	easyJet
01 Sep - 10 Sep	easyJet
01 Sep - 15 Sep	easyJet
26 Sep - 04 Oct	easyJet
26 Sep - 03 Oct	easyJet
25 Sep - 04 Oct	easyJet
14 Sep - 24 Sep	easyJet
14 Sep - 21 Sep	easyJet
27 Sep - 05 Oct	easyJet
28 Sep - 05 Oct	Wizz Air Malta

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 $611

Return flights