AirHint found the following cheapest return flights from Toronto (YTZ) to Keflavik (KEF) in August 2026 (see full year).

Return flights

21 Aug - 29 Aug	Air Canada
17 Aug - 03 Sep	Air Canada
18 Aug - 03 Sep	Air Canada
31 Aug - 05 Sep	Air Canada
16 Aug - 03 Sep	Air Canada
24 Aug - 31 Aug	Air Canada
13 Aug - 27 Aug	Air Canada
17 Aug - 28 Aug	Porter Airlines (Canada) Ltd
03 Aug - 14 Aug	Air Canada
08 Aug - 17 Aug	Porter Airlines (Canada) Ltd
04 Aug - 14 Aug	Porter Airlines (Canada) Ltd
08 Aug - 16 Aug	Porter Airlines (Canada) Ltd
05 Aug - 15 Aug	Air Canada

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

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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Cheapest return flights from Toronto to Keflavik in August from $586

Return flights