Cheapest return flights from Toronto to Keflavik in October from $761

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

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

Return flights

03 Oct - 09 Oct Porter Airlines (Canada) Ltd
08 Oct - 24 Oct Porter Airlines (Canada) Ltd
08 Oct - 15 Oct Porter Airlines (Canada) Ltd
14 Oct - 28 Oct Porter Airlines (Canada) Ltd
09 Oct - 17 Oct Porter Airlines (Canada) Ltd
22 Oct - 29 Oct Porter Airlines (Canada) Ltd
03 Oct - 18 Oct Porter Airlines (Canada) Ltd
17 Oct - 24 Oct Porter Airlines (Canada) Ltd
22 Oct - 06 Nov Porter Airlines (Canada) Ltd
25 Oct - 01 Nov SWISS

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