Free shuttle buses service is available from terminals 3 to terminal 2 and terminal 1 at Beijing Capital international Airport. You can take the terminal shuttle bus from T3 to T2 and T1, or from T1 and T2 to T3. A one-way trip takes approximately 15 minutes
06:00am - 11:00pm, the interval is 10 minutes
11:00pm - 06:00am, the interval is 15 minutes
Terminal 1: outside Gate 7 on 1F
Terminal 2: outside Gate 7 on 1F
Terminal 3: Gate 5 on 1F
Gate 5 F1 of T3 -> Departure floor of T2 -> Departure floor of T1 -> Gate 7 of Arrival floor of T2 -> Gate 7 Arrival floor of T1 -> Departure floor of T3.