Cheapest return flights from Porto to Karlsruhe/Baden-Baden in September from 244€
AirHint found the following cheapest return flights from Porto (OPO) to Karlsruhe/Baden-Baden (FKB) in September 2025 (see full year).
Return flights
| 12 Sep - 26 Sep | Ryanair | direct | |
| 14 Sep - 05 Oct | Ryanair | direct | |
| 14 Sep - 26 Sep | Ryanair | direct |
Also check the deals for one-way flights from Porto to Karlsruhe/Baden-Baden in September.
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.
