Irun to Monzón de Campos trains might be a good value for money solution: travelling in Spain by train is often rather cheap and faster than taking a bus indeed Trains leave from Irun and arrive at El Carrion, Monzón de Campos, Valladolid every about 1 hour on average. If travelling with Renfe, you need to know the Irun to Monzón de Campos train schedule: the first train leaves at 08:28, while the last ride is at 18:45. A Irun to Monzón de Campos train cost about 26.24 €. But how long is the train ride from Irun to Monzón de Campos? Your journey takes about 6 hours on average. Renfe offers 6 direct trains between these two cities.