Cheapest return flights from Boston to Keflavik in January from $564

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

Return flights

30 Jan - 02 Feb Icelandair direct
30 Jan - 06 Feb Icelandair direct
30 Jan - 01 Feb Icelandair direct
29 Jan - 02 Feb Icelandair direct
31 Jan - 02 Feb Icelandair direct

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

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