Cheapest return flights from Toronto to Keflavik in September from 563€

AirHint found the following cheapest return flights from Toronto (YTZ) to Keflavik (KEF) in September 2025 (see full year).

Return flights

28 Sep - 03 Oct Porter Airlines (Canada) Ltd
29 Sep - 03 Oct Porter Airlines (Canada) Ltd
20 Sep - 26 Sep Air Canada
25 Sep - 30 Sep Air Canada
19 Sep - 11 Oct Porter Airlines (Canada) Ltd
25 Sep - 29 Sep Air Canada
22 Sep - 18 Oct Porter Airlines (Canada) Ltd
30 Sep - 01 Oct Porter Airlines (Canada) Ltd
25 Sep - 18 Oct Porter Airlines (Canada) Ltd
19 Sep - 23 Sep Air Canada
24 Sep - 28 Sep Porter Airlines (Canada) Ltd
23 Sep - 03 Oct Porter Airlines (Canada) Ltd
18 Sep - 11 Oct Porter Airlines (Canada) Ltd
21 Sep - 28 Sep Porter Airlines (Canada) Ltd
26 Sep - 28 Sep Porter Airlines (Canada) Ltd
23 Sep - 27 Sep Porter Airlines (Canada) Ltd
29 Sep - 25 Oct SWISS
19 Sep - 27 Sep Porter Airlines (Canada) Ltd
23 Sep - 28 Sep Air Canada

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

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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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