Cheapest one-way flights from Boston to Keflavik in October from 203€

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

One-Way flights

21 Oct Spirit Airlines
14 Oct Spirit Airlines
03 Oct British Airways
06 Oct British Airways
02 Oct Spirit Airlines
06 Oct Icelandair direct
14 Oct Icelandair direct
03 Oct Icelandair direct
21 Oct Icelandair direct
02 Oct Icelandair direct

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

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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