Cheapest one-way flights from Boston to Keflavik in May from 301€

AirHint found the following cheapest one-way flights from Boston (BOS) to Keflavik (KEF) in May 2026 (see full year).

One-Way flights

23 May Icelandair direct
10 May Icelandair direct
11 May Icelandair direct
24 May Icelandair direct
25 May Icelandair direct
18 May Icelandair direct
17 May Icelandair direct
13 May Air France
13 May Icelandair direct
22 May Air France

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

Powered by

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.