AirHint found the following cheapest one-way flights from Boston (BOS) to Keflavik (KEF) in January 2026 (see full year).
One-Way flights
| 29 Jan | Icelandair | direct | |
| 28 Jan | Icelandair | direct | |
| 24 Jan | Icelandair | direct | |
| 23 Jan | TAP | ||
| 20 Jan | TAP | ||
| 16 Jan | TAP | ||
| 13 Jan | Icelandair | direct | |
| 20 Jan | Icelandair | direct | |
| 14 Jan | Icelandair | direct | |
| 12 Jan | TAP |
Also check the deals for return flights from Boston to Keflavik in January.
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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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