To save money on Deutsche Bahn (DB) in 2026, the "golden rule" is to book as early as possible. Long-distance Sparpreis (Saver) and Super Sparpreis tickets can be as low as €17.90 if booked several weeks or months in advance, but they are tied to a specific train. For frequent travelers, a BahnCard 25 provides a 25% discount on even these saver fares and often pays for itself in just two trips. If you are under 27, the My BahnCard is exceptionally cheap. For unlimited regional travel, the Deutschland-Ticket (D-Ticket) for €49/month remains the best value for local trains, though it is a subscription that must be cancelled by the 10th of the month. Lastly, groups of up to five people can use Regional Day Tickets (Länder-Tickets) for roughly €25–€50, allowing unlimited travel within a single state for the entire day after 9:00 AM on weekdays.