It's also possible to consider it just amongst T1, T2 and T3, but it really's as brief to stroll. In between T4 and T4S, use the automated train. The metro also connects the two complexes however , you'd must purchase a ticket for €3. There are actually other transfers https://eduardofdulh.ampblogs.com/getting-my-tarotista-vidente-en-alcala-de-henares-to-work-63626927