Cheapest return flights from Boston to Keflavik in June from 324€

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

Return flights

06 Jun - 10 Jun Delta
07 Jun - 12 Jun Delta
03 Jun - 10 Jun Delta
18 Jun - 21 Jun Air France
13 Jun - 21 Jun Air France
14 Jun - 21 Jun Air France
15 Jun - 21 Jun Air France
15 Jun - 22 Jun Air France
13 Jun - 22 Jun Air France
14 Jun - 22 Jun Air France
22 Jun - 02 Jul KLM
26 Jun - 04 Jul Air France
27 Jun - 04 Jul Air France
22 Jun - 02 Jul Icelandair direct
26 Jun - 04 Jul Icelandair direct
26 Jun - 11 Jul Icelandair direct
27 Jun - 04 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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