Cheapest return flights from Boston to Keflavik in January from $300

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

Return flights

11 Jan - 19 Jan Icelandair direct
22 Jan - 30 Jan Icelandair direct
09 Jan - 17 Jan Icelandair direct
26 Jan - 03 Feb Icelandair direct
27 Jan - 03 Feb Icelandair direct
29 Jan - 06 Feb Icelandair direct
28 Jan - 05 Feb Icelandair direct
31 Jan - 08 Feb Icelandair direct
25 Jan - 02 Feb Icelandair direct
16 Jan - 20 Jan Icelandair direct
07 Jan - 21 Jan Icelandair direct
25 Jan - 01 Feb Icelandair direct
26 Jan - 02 Feb Icelandair direct
28 Jan - 04 Feb Icelandair direct
29 Jan - 05 Feb Icelandair direct
02 Jan - 08 Jan Icelandair direct
02 Jan - 09 Jan Icelandair direct
02 Jan - 10 Jan Icelandair direct
02 Jan - 07 Jan Icelandair direct
01 Jan - 08 Jan Icelandair direct

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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