Cheapest return flights from Toronto to Keflavik in May from $544

Best time to book flights for Toronto (YYZ) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Toronto (YYZ) to Keflavik (KEF) in May 2025 (see full year).

Return flights

22 May - 27 May Icelandair direct
29 May - 05 Jun Icelandair direct
15 May - 23 May Icelandair direct
09 May - 12 May Icelandair direct
03 May - 08 May Icelandair direct
01 May - 12 May Icelandair direct
17 May - 24 May Icelandair direct
05 May - 12 May Icelandair direct
05 May - 15 May Icelandair direct
05 May - 17 May Icelandair direct
09 May - 14 May Icelandair direct
06 May - 02 Jun Icelandair direct
10 May - 09 Jun Icelandair direct
31 May - 07 Jun Icelandair direct

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

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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