Cheapest return flights from Nashville to Keflavik in October from $368

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

Return flights

15 Oct - 24 Oct Icelandair direct
19 Oct - 24 Oct Icelandair direct
22 Oct - 30 Oct Icelandair direct
10 Oct - 17 Oct Spirit Airlines
02 Oct - 10 Oct Spirit Airlines
03 Oct - 09 Oct Spirit Airlines
08 Oct - 13 Oct Spirit Airlines
13 Oct - 19 Oct Icelandair direct
15 Oct - 08 Nov Spirit Airlines
08 Oct - 13 Oct Icelandair direct

Also check the deals for one-way flights from Nashville to Keflavik in October.

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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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