Cheapest return flights from Boston to Keflavik in April from $303

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

Return flights

03 Apr - 06 Apr Icelandair direct
03 Apr - 10 Apr Icelandair direct
18 Apr - 22 Apr Icelandair direct
19 Apr - 23 Apr Icelandair direct
15 Apr - 22 Apr Icelandair direct
20 Apr - 27 Apr Icelandair direct
03 Apr - 05 Apr Icelandair direct
25 Apr - 02 May Icelandair direct
05 Apr - 12 Apr Icelandair direct
05 Apr - 25 Apr Icelandair direct
22 Apr - 02 May Icelandair direct
24 Apr - 26 Apr Icelandair direct
30 Apr - 07 May Icelandair direct

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

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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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