Cheapest return flights from Boston to Keflavik in July from 261€

AirHint found the following cheapest return flights from Boston (BOS) to Keflavik (KEF) in July 2025 (see full year).

Return flights

08 Jul - 15 Jul Fly Play direct
07 Jul - 15 Jul Fly Play direct
12 Jul - 15 Jul Fly Play direct
10 Jul - 15 Jul Fly Play direct
21 Jul - 01 Aug Fly Play direct
07 Jul - 16 Jul Fly Play direct
09 Jul - 12 Jul Fly Play direct
08 Jul - 12 Jul Fly Play direct
05 Jul - 12 Jul Fly Play direct
10 Jul - 16 Jul Fly Play direct
12 Jul - 16 Jul Fly Play direct
30 Jul - 06 Aug Fly Play direct
26 Jul - 02 Aug United
31 Jul - 08 Aug United
31 Jul - 05 Aug United
26 Jul - 02 Aug Icelandair direct
31 Jul - 05 Aug Icelandair direct
27 Jul - 02 Aug United

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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