Cheapest return flights from Boston to Keflavik in June from $464

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

Return flights

13 Jun - 20 Jun Icelandair direct
06 Jun - 13 Jun Icelandair direct
11 Jun - 18 Jun Icelandair direct
08 Jun - 14 Jun Icelandair direct
11 Jun - 16 Jun Icelandair direct
22 Jun - 29 Jun Icelandair direct
25 Jun - 03 Jul Icelandair direct
20 Jun - 28 Jun Icelandair direct
21 Jun - 28 Jun Icelandair direct
01 Jun - 04 Jun 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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