Cheapest return flights from Boston to Keflavik in June from $303

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 June 2025 (see full year).

Return flights

09 Jun - 17 Jun Fly Play direct
11 Jun - 18 Jun Fly Play direct
11 Jun - 19 Jun Fly Play direct
10 Jun - 18 Jun Fly Play direct
09 Jun - 12 Jun Fly Play direct
06 Jun - 10 Jun Fly Play direct
04 Jun - 12 Jun Fly Play direct
07 Jun - 12 Jun Fly Play direct
30 Jun - 08 Jul Fly Play direct
25 Jun - 01 Jul Fly Play direct
04 Jun - 09 Jun Fly Play direct
10 Jun - 25 Jun Fly Play direct
23 Jun - 02 Jul Fly Play direct
02 Jun - 10 Jul Icelandair direct
28 Jun - 01 Jul Fly Play direct
26 Jun - 04 Jul KLM
26 Jun - 01 Jul Delta
23 Jun - 03 Jul Fly Play direct
25 Jun - 03 Jul Fly Play direct
21 Jun - 02 Jul Fly Play direct

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

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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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