Cheapest one-way flights from Boston to Keflavik in May from $162

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 May 2025 (see full year).

One-Way flights

12 May Fly Play direct
06 May Fly Play direct
02 May Fly Play direct
10 May Fly Play direct
14 May Fly Play direct
13 May Fly Play direct
27 May Fly Play direct
25 May Fly Play direct
07 May Fly Play direct
29 May Fly Play direct

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

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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