Cheapest return flights from Toronto to Keflavik in October from $521

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 October 2025 (see full year).

Return flights

09 Oct - 13 Oct Icelandair direct
06 Oct - 19 Oct Icelandair direct
03 Oct - 13 Oct Icelandair direct
03 Oct - 10 Oct Icelandair direct
13 Oct - 21 Oct Icelandair direct
23 Oct - 30 Oct Icelandair direct
25 Oct - 01 Nov Icelandair direct
28 Oct - 04 Nov Icelandair direct
06 Oct - 12 Oct Icelandair direct
05 Oct - 12 Oct Icelandair direct
01 Oct - 07 Oct Icelandair direct

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

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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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