Cheapest return flights from Toronto to Keflavik in September from $533

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

12 Sep - 20 Sep Icelandair direct
01 Sep - 22 Sep Icelandair direct
01 Sep - 11 Sep Icelandair direct
12 Sep - 17 Sep Icelandair direct
15 Sep - 26 Sep Icelandair direct
18 Sep - 22 Sep Icelandair direct
17 Sep - 22 Sep Icelandair direct
18 Sep - 25 Sep Icelandair direct
04 Sep - 09 Sep Icelandair direct
02 Sep - 09 Sep Icelandair direct
26 Sep - 12 Oct Icelandair direct
28 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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