How long is the BahnCard 25=50 special offer available?

The special offer is available from 1 July to 31 July 2026. During this period, BahnCard 25 holders can use the flexible fare discount of a BahnCard 50. The return journey must take place by 31 July 2026. The special offer is valid only for bookings made between 1 July and 31 July 2026.