AirHint found the following cheapest return flights from Karlsruhe/Baden-Baden (FKB) to Vienna (VIE) in May 2026 (see full year).
Return flights
| 09 May - 17 May | Ryanair | ||
| 16 May - 19 May | Ryanair | ||
| 21 May - 24 May | Eurowings | ||
| 23 May - 25 May | Ryanair | ||
| 01 May - 03 May | Wizz Air Malta | ||
| 22 May - 24 May | Wizz Air Malta | ||
| 14 May - 17 May | Wizz Air |
Also check the deals for one-way flights from Karlsruhe/Baden-Baden to Vienna in May.
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