Cheapest return flights from Boston to Keflavik in June from $446

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

Return flights

03 Jun - 10 Jun Icelandair direct
13 Jun - 24 Jun Icelandair direct
12 Jun - 23 Jun Virgin Atlantic
12 Jun - 24 Jun Virgin Atlantic
12 Jun - 04 Jul Virgin Atlantic
12 Jun - 23 Jun Icelandair direct
12 Jun - 24 Jun Icelandair direct
12 Jun - 04 Jul Icelandair direct
29 Jun - 25 Jul Icelandair direct
17 Jun - 24 Jun Icelandair direct
15 Jun - 11 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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