Cheapest return flights from Ottawa to Keflavik in August from $559

AirHint found the following cheapest return flights from Ottawa (YOW) to Keflavik (KEF) in August 2025 (see full year).

Return flights

22 Aug - 29 Aug Air Canada
26 Aug - 11 Sep Air Canada
27 Aug - 15 Sep Air Canada
23 Aug - 03 Sep Air Canada
29 Aug - 20 Sep Air Canada
24 Aug - 31 Aug Air Canada
26 Aug - 02 Sep Air Canada
26 Aug - 01 Sep Air Canada
19 Aug - 13 Sep Porter Airlines (Canada) Ltd
20 Aug - 08 Sep Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Ottawa to Keflavik in August.

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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