Cheapest return flights from Boston to Keflavik in October from 227€

Best time to book flights for Boston (BOS) to Keflavik (KEF) flights at AirHint

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

Return flights

12 Oct - 23 Oct Fly Play direct
06 Oct - 21 Oct Fly Play direct
09 Oct - 20 Oct Fly Play direct
06 Oct - 17 Oct Fly Play direct
14 Oct - 21 Oct Fly Play direct
01 Oct - 09 Oct Fly Play direct
12 Oct - 20 Oct Fly Play direct
06 Oct - 14 Oct Fly Play direct
03 Oct - 18 Oct Fly Play direct
03 Oct - 14 Oct Fly Play direct
26 Oct - 02 Nov Icelandair direct
29 Oct - 06 Nov Icelandair direct

Also check the deals for one-way 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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