Cheapest return flights from Boston to Keflavik in August from 294€

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 August 2025 (see full year).

Return flights

27 Aug - 17 Sep Fly Play direct
28 Aug - 17 Sep Fly Play direct
21 Aug - 02 Sep Fly Play direct
30 Aug - 07 Sep Fly Play direct
31 Aug - 08 Sep Fly Play direct
28 Aug - 05 Sep Fly Play direct
26 Aug - 03 Sep Fly Play direct
29 Aug - 06 Sep Fly Play direct
29 Aug - 04 Sep Fly Play direct
27 Aug - 04 Sep Fly Play direct
11 Aug - 21 Aug Fly Play direct
26 Aug - 29 Aug Fly Play direct
21 Aug - 29 Aug Fly Play direct
19 Aug - 27 Aug Fly Play direct
14 Aug - 29 Aug Fly Play direct
03 Aug - 11 Aug Fly Play direct
22 Aug - 28 Aug Fly Play direct
22 Aug - 30 Aug Fly Play direct
17 Aug - 25 Aug Fly Play direct
13 Aug - 28 Aug Fly Play direct

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

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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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