Cheapest return flights from Boston to Keflavik in January from $248

Best time to book flights for Boston (BOS) to Keflavik (KEF) flights at AirHint

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

Return flights

17 Jan - 24 Jan Fly Play direct
18 Jan - 25 Jan Fly Play direct
24 Jan - 31 Jan Fly Play direct
07 Jan - 14 Jan Fly Play direct
09 Jan - 16 Jan Fly Play direct
11 Jan - 18 Jan Fly Play direct
12 Jan - 19 Jan Fly Play direct
13 Jan - 20 Jan Fly Play direct
08 Jan - 15 Jan Fly Play direct
14 Jan - 21 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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