Cheapest return flights from Boston to Keflavik in January from 279€

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

Return flights

07 Jan - 14 Jan Icelandair direct
09 Jan - 16 Jan Icelandair direct
19 Jan - 26 Jan Icelandair direct
29 Jan - 05 Feb Icelandair direct
22 Jan - 30 Jan United
31 Jan - 08 Feb United
26 Jan - 03 Feb United
01 Jan - 10 Jan United
02 Jan - 09 Jan United

Also check the deals for one-way 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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