Cheapest return flights from Boston to Keflavik in March from 397€

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

Return flights

30 Mar - 06 Apr Icelandair direct
30 Mar - 03 Apr Icelandair direct
31 Mar - 05 Apr Icelandair direct
27 Mar - 30 Mar Icelandair direct
25 Mar - 29 Mar Icelandair
24 Mar - 27 Mar Icelandair
27 Mar - 29 Mar Icelandair
22 Mar - 29 Mar Icelandair
23 Mar - 25 Mar Icelandair
23 Mar - 25 Mar Icelandair direct
22 Mar - 29 Mar Icelandair direct
27 Mar - 29 Mar Icelandair direct
21 Mar - 25 Mar Spirit Airlines

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

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