AirHint found the following cheapest return flights from Porto (OPO) to Karlsruhe/Baden-Baden (FKB) in August 2025 (see full year).

Return flights

04 Aug - 25 Aug	Ryanair	direct
08 Aug - 29 Aug	Ryanair
08 Aug - 29 Aug	Ryanair	direct
01 Aug - 22 Aug	Ryanair	direct
08 Aug - 15 Aug	Ryanair
04 Aug - 22 Aug	Ryanair	direct
08 Aug - 22 Aug	Ryanair	direct
01 Aug - 17 Aug	Ryanair	direct
04 Aug - 11 Aug	Ryanair	direct
03 Aug - 22 Aug	Ryanair	direct
31 Aug - 21 Sep	Ryanair
25 Aug - 05 Sep	Ryanair	direct
25 Aug - 08 Sep	Ryanair	direct
25 Aug - 07 Sep	Ryanair	direct
29 Aug - 05 Sep	Ryanair	direct
29 Aug - 08 Sep	Ryanair	direct
29 Aug - 07 Sep	Ryanair	direct
11 Aug - 01 Sep	Ryanair	direct
22 Aug - 05 Sep	Ryanair	direct
22 Aug - 08 Sep	Ryanair	direct

Also check the deals for one-way flights from Porto to Karlsruhe/Baden-Baden in August.

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.

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Cheapest return flights from Porto to Karlsruhe/Baden-Baden in August from 137€

Return flights