AirHint found the following cheapest return flights from Cleveland (CLE) to Keflavik (KEF) in March 2026 (see full year).
Return flights
| 13 Mar - 22 Mar | jetBlue | ||
| 12 Mar - 21 Mar | Frontier Airlines | ||
| 14 Mar - 21 Mar | Lufthansa | ||
| 13 Mar - 21 Mar | Lufthansa |
Also check the deals for one-way flights from Cleveland to Keflavik in March.
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