Cheapest return flights from Boston to Keflavik in July from $362

Best time to book flights for Boston (BOS) to Keflavik (KEF) flights at AirHint

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

Return flights

03 Jul - 08 Jul Fly Play direct
14 Jul - 16 Jul Fly Play direct
01 Jul - 08 Jul Fly Play direct
02 Jul - 09 Jul Fly Play direct
08 Jul - 15 Jul Fly Play direct
28 Jul - 04 Aug Fly Play direct
07 Jul - 15 Jul Fly Play direct
09 Jul - 16 Jul Fly Play direct
01 Jul - 04 Aug Fly Play direct
07 Jul - 14 Jul Icelandair direct
14 Jul - 22 Jul Icelandair direct
17 Jul - 21 Jul Icelandair direct
27 Jul - 04 Aug Fly Play direct
29 Jul - 06 Aug Icelandair direct
27 Jul - 03 Aug Icelandair direct
29 Jul - 05 Aug Icelandair direct

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

Skyscanner

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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