Cheapest return flights from Toronto to Keflavik in May from $766

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

Return flights

01 May - 10 May Porter Airlines (Canada) Ltd
04 May - 08 May Porter Airlines (Canada) Ltd
15 May - 23 May Porter Airlines (Canada) Ltd
08 May - 12 May Porter Airlines (Canada) Ltd
22 May - 29 May Porter Airlines (Canada) Ltd
13 May - 18 May Porter Airlines (Canada) Ltd
14 May - 19 May Porter Airlines (Canada) Ltd
01 May - 09 May Porter Airlines (Canada) Ltd
13 May - 31 May Porter Airlines (Canada) Ltd
15 May - 25 May Porter Airlines (Canada) Ltd
30 May - 07 Jun Porter Airlines (Canada) Ltd
31 May - 07 Jun Porter Airlines (Canada) Ltd

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

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