Cheapest return flights from Toronto to Keflavik in September from $437

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

11 Sep - 18 Sep Icelandair direct
09 Sep - 17 Sep Icelandair direct
23 Sep - 07 Oct Icelandair direct
30 Sep - 16 Oct Icelandair direct
29 Sep - 04 Oct Icelandair direct
03 Sep - 07 Sep Icelandair direct
03 Sep - 14 Sep Icelandair direct
13 Sep - 20 Sep Icelandair direct
12 Sep - 21 Sep Icelandair direct
25 Sep - 04 Oct Icelandair direct
04 Sep - 08 Sep Icelandair direct
02 Sep - 09 Sep Icelandair direct
19 Sep - 24 Sep Icelandair direct
07 Sep - 12 Sep Icelandair direct
23 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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