AirHint found the following cheapest return flights from Nashville (BNA) to Keflavik (KEF) in March 2026 (see full year).
Return flights
| 14 Mar - 21 Mar | jetBlue | ||
| 02 Mar - 09 Mar | jetBlue | ||
| 27 Mar - 05 Apr | Icelandair | direct | |
| 23 Mar - 18 Apr | British Airways | ||
| 01 Mar - 08 Mar | jetBlue | ||
| 06 Mar - 13 Mar | jetBlue | ||
| 15 Mar - 21 Mar | jetBlue |
Also check the deals for one-way flights from Nashville to Keflavik in March.
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