AirHint found the following cheapest return flights from Karlsruhe/Baden-Baden (FKB) to Basel (BSL) in April 2025 (see full year).
14 Apr - 20 Apr | Ryanair | ||
16 Apr - 20 Apr | Ryanair | ||
12 Apr - 21 Apr | Ryanair |
Also check the deals for one-way flights from Karlsruhe/Baden-Baden to Basel in April.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.