Cheapest return flights from Boston to Keflavik in June from 401€

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
01 Jun - 10 Jun Icelandair direct
02 Jun - 09 Jun Icelandair direct
11 Jun - 26 Jun Icelandair direct
12 Jun - 19 Jun Icelandair direct
02 Jun - 10 Jun Icelandair direct
03 Jun - 21 Jun Icelandair direct
29 Jun - 09 Jul Icelandair direct
07 Jun - 14 Jun Icelandair direct
17 Jun - 24 Jun Icelandair direct
17 Jun - 23 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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