Cheapest return flights from Boston to Keflavik in July from 411€

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

Return flights

21 Jul - 04 Aug Icelandair direct
27 Jul - 05 Aug Icelandair direct
27 Jul - 03 Aug Icelandair direct
12 Jul - 24 Jul Air France
22 Jul - 29 Jul Icelandair direct
05 Jul - 10 Jul Virgin Atlantic
16 Jul - 22 Jul Icelandair direct
17 Jul - 24 Jul Icelandair direct
12 Jul - 24 Jul Icelandair direct
05 Jul - 10 Jul Icelandair direct
14 Jul - 25 Jul Icelandair direct
12 Jul - 19 Jul Icelandair direct
08 Jul - 12 Jul 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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