Cheapest return flights from Boston to Keflavik in May from 377€

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

Return flights

06 May - 13 May Icelandair direct
07 May - 14 May Icelandair direct
08 May - 15 May Icelandair direct
09 May - 16 May Icelandair direct
13 May - 20 May Icelandair direct
14 May - 21 May Icelandair direct
16 May - 23 May Icelandair direct
17 May - 24 May Icelandair direct
18 May - 25 May Icelandair direct
05 May - 12 May Virgin Atlantic
28 May - 04 Jun Icelandair direct

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

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