Cheapest return flights from Boston to Keflavik in March from 278€

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

Return flights

18 Mar - 25 Mar Icelandair direct
04 Mar - 11 Mar Icelandair direct
29 Mar - 08 Apr Icelandair direct
27 Mar - 30 Mar Icelandair direct
23 Mar - 27 Mar Icelandair direct
15 Mar - 25 Mar Icelandair direct
28 Mar - 06 Apr Icelandair direct
25 Mar - 04 Apr Icelandair direct
15 Mar - 19 Mar Icelandair direct
02 Mar - 07 Mar Icelandair direct
25 Mar - 29 Mar Icelandair direct
25 Mar - 03 Apr Icelandair direct
28 Mar - 03 Apr Icelandair direct
12 Mar - 19 Mar Icelandair direct
24 Mar - 28 Mar Icelandair direct

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

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