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

Return flights

28 Aug - 07 Sep	Icelandair	direct
21 Aug - 28 Aug	Icelandair	direct
23 Aug - 03 Sep	Icelandair	direct
15 Aug - 05 Sep	Air Canada	direct
01 Aug - 22 Aug	Air Canada	direct
09 Aug - 22 Aug	Air Canada
10 Aug - 24 Aug	Flair Airlines
10 Aug - 24 Aug	Icelandair	direct
10 Aug - 22 Aug	Air Canada
10 Aug - 23 Aug	Air Canada
10 Aug - 23 Aug	Icelandair	direct
04 Aug - 15 Aug	WestJet
09 Aug - 22 Aug	Icelandair	direct

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 451€

Return flights