Cheapest one-way flights from Boston to Keflavik in June from $233

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

AirHint found the following cheapest one-way flights from Boston (BOS) to Keflavik (KEF) in June 2025 (see full year).

One-Way flights

25 Jun Fly Play direct
05 Jun Fly Play direct
09 Jun Fly Play direct
12 Jun Fly Play direct
24 Jun Spirit Airlines
24 Jun Fly Play direct
22 Jun Fly Play direct
19 Jun Fly Play direct
27 Jun Fly Play direct
18 Jun Fly Play direct

Also check the deals for return 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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