Cheapest return flights from Ottawa to Keflavik in October from $689

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

Return flights

16 Oct - 22 Oct WestJet
15 Oct - 24 Oct Porter Airlines (Canada) Ltd
10 Oct - 15 Oct Porter Airlines (Canada) Ltd
20 Oct - 26 Oct Porter Airlines (Canada) Ltd
25 Oct - 15 Nov Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Ottawa 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.

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