Cheapest return flights from Toronto to Keflavik in December from $454

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

Return flights

01 Dec - 10 Dec Icelandair direct
04 Dec - 10 Dec Icelandair direct
10 Dec - 13 Jan Icelandair direct
07 Dec - 11 Dec Icelandair direct
05 Dec - 09 Dec Icelandair direct
02 Dec - 09 Dec Icelandair direct
09 Dec - 16 Jan Icelandair direct
05 Dec - 11 Dec Icelandair direct
09 Dec - 17 Jan Icelandair direct
04 Dec - 27 Dec Icelandair direct
03 Dec - 11 Dec Icelandair direct
04 Dec - 07 Dec Icelandair direct
06 Dec - 13 Dec Air Canada
04 Dec - 01 Jan Flair Airlines
23 Dec - 05 Jan Icelandair
20 Dec - 10 Jan Air Canada
26 Dec - 05 Jan Icelandair direct
22 Dec - 05 Jan Icelandair direct
24 Dec - 01 Jan Icelandair
25 Dec - 01 Jan Icelandair

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

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