Cheapest one-way flights from Boston to Keflavik in January from $307

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

One-Way flights

11 Jan Icelandair direct
22 Jan Icelandair direct
07 Jan Icelandair direct
13 Jan Icelandair direct
14 Jan Icelandair direct
03 Jan Icelandair direct
05 Jan Icelandair direct
01 Jan Icelandair direct

Also check the deals for return flights from Boston to Keflavik in January.

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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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