Cheapest return flights from Porto to Karlsruhe/Baden-Baden in September from $174

Best time to book flights for Porto (OPO) to Karlsruhe/Baden-Baden (FKB) flights at AirHint

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

Return flights

15 Sep - 06 Oct Ryanair direct
29 Sep - 06 Oct Ryanair direct
29 Sep - 19 Oct Ryanair direct
15 Sep - 19 Sep Ryanair direct
29 Sep - 12 Oct Ryanair direct
28 Sep - 06 Oct Ryanair direct
28 Sep - 19 Oct Ryanair direct
29 Sep - 10 Oct Ryanair direct
15 Sep - 28 Sep Ryanair direct
26 Sep - 06 Oct Ryanair direct
28 Sep - 12 Oct Ryanair direct
28 Sep - 10 Oct Ryanair direct
15 Sep - 26 Sep Ryanair direct
26 Sep - 28 Sep Ryanair direct
12 Sep - 15 Sep Ryanair
01 Sep - 19 Sep Ryanair direct
08 Sep - 19 Sep Ryanair direct
19 Sep - 28 Sep Ryanair direct
01 Sep - 08 Sep Ryanair direct
08 Sep - 28 Sep Ryanair direct

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

Skyscanner

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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