Cheapest return flights from Keflavik to Boston in June from $553

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

Return flights

03 Jun - 16 Jun Icelandair direct
06 Jun - 30 Jun Icelandair direct
24 Jun - 04 Jul Icelandair direct
18 Jun - 19 Jun Icelandair direct

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