AirHint found the following cheapest return flights from Stuttgart (STR) to Keflavik (KEF) in April 2026 (see full year).
Return flights
| 01 Apr - 05 Apr | KLM | ||
| 02 Apr - 05 Apr | KLM | ||
| 20 Apr - 26 Apr | Lufthansa | ||
| 06 Apr - 11 Apr | Scandinavian Airlines | ||
| 24 Apr - 02 May | KLM |
Also check the deals for one-way flights from Stuttgart to Keflavik in April.
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