Cheapest return flights from Nashville to Keflavik in August from $525

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

Return flights

18 Aug - 25 Aug Spirit Airlines
31 Aug - 29 Sep Spirit Airlines
03 Aug - 10 Aug Spirit Airlines
13 Aug - 22 Aug Air Canada
18 Aug - 25 Aug Icelandair direct
31 Aug - 29 Sep Icelandair direct
01 Aug - 06 Aug Icelandair direct

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

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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