Cheapest return flights from Toronto to Keflavik in October from $523

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

06 Oct - 13 Oct Icelandair direct
08 Oct - 15 Oct Icelandair direct
09 Oct - 05 Nov Icelandair direct
06 Oct - 20 Oct Icelandair direct
01 Oct - 14 Oct Icelandair direct
01 Oct - 12 Oct Icelandair direct
30 Oct - 08 Nov SWISS
30 Oct - 08 Nov Icelandair direct

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

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik