AirHint found the following cheapest return flights from Stuttgart (STR) to Keflavik (KEF) in April 2026 (see full year).
Return flights
| 04 Apr - 14 Apr | Scandinavian Airlines | ||
| 25 Apr - 01 May | LOT | ||
| 16 Apr - 21 Apr | Lufthansa | ||
| 09 Apr - 12 Apr | Eurowings |
Also check the deals for one-way flights from Stuttgart to Keflavik in April.
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