AirHint found the following cheapest return flights from Stuttgart (STR) to Keflavik (KEF) in March 2026 (see full year).
Return flights
| 01 Mar - 07 Mar | Eurowings | ||
| 14 Mar - 18 Mar | KLM | ||
| 14 Mar - 22 Mar | Eurowings | ||
| 12 Mar - 14 Mar | Scandinavian Airlines | ||
| 28 Mar - 04 Apr | Scandinavian Airlines | ||
| 30 Mar - 11 Apr | Lufthansa |
Also check the deals for one-way flights from Stuttgart to Keflavik in March.
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