Cheapest return flights from Nashville to Keflavik in May from $676

AirHint found the following cheapest return flights from Nashville (BNA) to Keflavik (KEF) in May 2026 (see full year).

Return flights

11 May - 17 May Icelandair direct
17 May - 24 May Icelandair direct
24 May - 07 Jun Icelandair direct
08 May - 11 May Icelandair direct
19 May - 25 May KLM
23 May - 06 Jun KLM

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

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