Cheapest one-way flights from Boston to Keflavik in March from $158

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 March 2025 (see full year).

One-Way flights

06 Mar Fly Play direct
12 Mar Fly Play direct
05 Mar Fly Play direct
28 Mar Fly Play direct

Also check the deals for return flights from Boston to Keflavik in March.

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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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