Cheapest return flights from Boston to Keflavik in June from $377

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

Return flights

04 Jun - 08 Jun Icelandair direct
05 Jun - 09 Jun Icelandair direct
01 Jun - 12 Jun Icelandair direct
13 Jun - 24 Jun Icelandair direct
13 Jun - 25 Jun Icelandair direct
13 Jun - 26 Jun Icelandair direct
13 Jun - 27 Jun Icelandair direct
13 Jun - 28 Jun Icelandair direct
13 Jun - 29 Jun Icelandair direct
13 Jun - 30 Jun Icelandair direct
30 Jun - 06 Jul Icelandair direct
12 Jun - 03 Jul Icelandair direct
13 Jun - 01 Jul Icelandair direct
13 Jun - 02 Jul Icelandair direct
13 Jun - 03 Jul Icelandair direct
24 Jun - 01 Jul Icelandair direct
26 Jun - 03 Jul Icelandair direct
29 Jun - 06 Jul Icelandair direct
30 Jun - 07 Jul Icelandair direct
25 Jun - 02 Jul Icelandair direct

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

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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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