Cheapest return flights from Toronto to Keflavik in September from $529

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 September 2025 (see full year).

Return flights

07 Sep - 15 Sep Air Canada
11 Sep - 12 Sep Porter Airlines (Canada) Ltd
03 Sep - 07 Sep Porter Airlines (Canada) Ltd
10 Sep - 14 Sep Porter Airlines (Canada) Ltd
27 Sep - 04 Oct Air Canada
15 Sep - 01 Oct Porter Airlines (Canada) Ltd
21 Sep - 27 Sep Porter Airlines (Canada) Ltd
22 Sep - 30 Sep Porter Airlines (Canada) Ltd
20 Sep - 28 Sep Porter Airlines (Canada) Ltd
15 Sep - 22 Sep Porter Airlines (Canada) Ltd
11 Sep - 15 Sep Porter Airlines (Canada) Ltd
21 Sep - 29 Sep Porter Airlines (Canada) Ltd
01 Sep - 01 Oct Porter Airlines (Canada) Ltd
26 Sep - 04 Oct Porter Airlines (Canada) Ltd

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik