Cheapest return flights from Boston to Keflavik in July from $412

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

Return flights

08 Jul - 17 Jul Icelandair direct
03 Jul - 10 Jul Icelandair direct
05 Jul - 12 Jul Icelandair direct
01 Jul - 16 Jul Icelandair direct
21 Jul - 27 Jul Icelandair direct
06 Jul - 17 Jul Icelandair direct
01 Jul - 10 Jul Icelandair direct
06 Jul - 15 Jul Icelandair direct
01 Jul - 06 Jul Icelandair direct
15 Jul - 20 Jul Icelandair direct
27 Jul - 05 Aug Icelandair direct
29 Jul - 05 Aug Icelandair direct
27 Jul - 03 Aug Icelandair direct
30 Jul - 06 Aug Icelandair direct

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

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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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