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

Return flights

03 Jan - 17 Jan	Icelandair	direct
14 Jan - 22 Jan	Icelandair	direct
04 Jan - 11 Jan	Icelandair	direct
05 Jan - 12 Jan	Icelandair	direct
06 Jan - 13 Jan	Icelandair	direct
07 Jan - 14 Jan	Icelandair	direct
09 Jan - 16 Jan	Icelandair	direct
08 Jan - 15 Jan	Air Transat

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

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 January from $562

Return flights