How long is the BahnCard 50 promotion available for?

The promotion is valid from 1 to 30 April 2025 inclusive. For journeys during this period, all BahnCard 25 holders can take advantage of the Flexpreis discount of a BahnCard 50. The return journey must be made by 30 April 2025. The promotion only applies to bookings made in the period from 1 April to 30 April 2025.