Eurolines IT operates a bus from Innsbruck to Trento twice a week. Tickets cost $27 - $40 and the journey takes 2 h 18 min. FlixBus also services this route once daily. Alternatively, Austrian Railways (ÖBB) operates a train from Innsbruck to Trento every 4 hours. Tickets cost $35 - $50 and the journey takes 2 h 35 min.
From Innsbruck - Stadion bus to Trento - Autostazione. 2 h 18 min 23€. From Innsbruck Hbf train to Trento. 2 h 35 min 35€. From Innsbruck bus to Bolzano/Bozen, train to Ora-Stazione Fs, then line 751 train to Trento-Stazione Fs. 3 h 25 min 16€. From Innsbruck drive to Trento. 1 h 53 min 27€.