Cheapest return flights from Boston to Keflavik in October from 238€

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

Return flights

02 Oct - 09 Oct Icelandair direct
04 Oct - 11 Oct Icelandair direct
05 Oct - 12 Oct Icelandair direct
12 Oct - 19 Oct Icelandair direct
13 Oct - 20 Oct Icelandair direct
14 Oct - 21 Oct Icelandair direct
15 Oct - 22 Oct Icelandair direct
16 Oct - 23 Oct Icelandair direct
17 Oct - 24 Oct Icelandair direct
19 Oct - 26 Oct Icelandair direct
25 Oct - 01 Nov Icelandair direct
26 Oct - 02 Nov Icelandair direct
28 Oct - 04 Nov Icelandair direct
29 Oct - 05 Nov Icelandair direct
30 Oct - 06 Nov Icelandair direct
31 Oct - 07 Nov Icelandair direct
21 Oct - 04 Nov Icelandair direct
30 Oct - 22 Nov Icelandair direct
31 Oct - 22 Nov Icelandair direct
30 Oct - 04 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

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