If you're traveling from 6:00 to 23:10, consider taking the Airport Express for 25 CNY. This service departs from Terminal 3C and Terminal 2 every 10 minutes, providing a quick link between the airport and metro lines 2, 10, and 13. The journey typically takes around 18 minutes.
Airport Buses: Several routes connect the airport to different parts of Beijing. You can find the locations of airport stops and routes on the official website.
Taxi: Taxis are available at Terminal 1 (1st floor, entrance #1) and Terminal 2 (1st floor, entrances #5-9). Including tolls, a trip to downtown Beijing will cost approximately CNY 85-100.