Cheapest return flights from Toronto to Keflavik in September from $515

Best time to book flights for Toronto (YYZ) to Keflavik (KEF) flights at AirHint

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

Return flights

25 Sep - 02 Oct Icelandair direct
24 Sep - 02 Oct Icelandair direct
13 Sep - 02 Oct Icelandair direct
13 Sep - 01 Oct Icelandair direct
14 Sep - 01 Oct Icelandair direct
14 Sep - 02 Oct Icelandair direct
17 Sep - 23 Sep Icelandair direct
19 Sep - 27 Sep Icelandair direct
14 Sep - 20 Sep Icelandair direct
08 Sep - 13 Sep Icelandair direct
19 Sep - 26 Sep Icelandair direct
24 Sep - 28 Sep Icelandair direct
08 Sep - 14 Sep Icelandair direct
19 Sep - 22 Sep Icelandair direct
18 Sep - 22 Sep Icelandair direct
11 Sep - 18 Sep Icelandair direct
25 Sep - 05 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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