Cheapest return flights from Toronto to Keflavik in September from $427

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

Return flights

22 Sep - 29 Sep Icelandair direct
15 Sep - 19 Sep Icelandair direct
27 Sep - 08 Oct Icelandair direct
15 Sep - 24 Sep Icelandair direct
13 Sep - 04 Oct Air Canada
11 Sep - 04 Oct Air Canada
26 Sep - 29 Sep Porter Airlines (Canada) Ltd
25 Sep - 29 Sep Icelandair direct
30 Sep - 06 Oct WestJet
25 Sep - 04 Oct WestJet
24 Sep - 18 Oct Icelandair direct
22 Sep - 18 Oct Icelandair direct
09 Sep - 18 Sep Air Canada
15 Sep - 11 Oct Icelandair direct
03 Sep - 08 Sep Air Canada direct
16 Sep - 30 Sep WestJet
12 Sep - 20 Sep Porter Airlines (Canada) Ltd
17 Sep - 22 Sep Icelandair direct
26 Sep - 05 Oct WestJet
25 Sep - 04 Oct Icelandair direct

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

Skyscanner

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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