Cheapest return flights from Toronto to Keflavik in May from 630€

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

Return flights

31 May - 07 Jun Air Canada
08 May - 15 May Porter Airlines (Canada) Ltd
02 May - 13 May Porter Airlines (Canada) Ltd
06 May - 13 May Porter Airlines (Canada) Ltd
07 May - 13 May Porter Airlines (Canada) Ltd
20 May - 29 May Porter Airlines (Canada) Ltd
08 May - 18 May Porter Airlines (Canada) Ltd
14 May - 24 May Porter Airlines (Canada) Ltd
15 May - 24 May Porter Airlines (Canada) Ltd
30 May - 13 Jun Porter Airlines (Canada) Ltd
13 May - 15 May Porter Airlines (Canada) Ltd
15 May - 19 May SWISS
29 May - 05 Jun Porter Airlines (Canada) Ltd

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

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