From Beijing International airport to Sunworld Hotel, Wangfujing by subway/bus?

You can take the airport shuttle bus line 13 and arrive at Wangfujing Street (Sunworld Dynasty Hotel) directly. The ticket fare is CNY 24 per person.
If by metro, you can take the airport express to Dongzhimen Station first. It takes around half an hour. And the ticket fare is CNY 25 per person. Then transfer to line 2 to Yonghe Lamasery Station and line 5 to Dengshikou Station, Exit A. It takes around 15 mins. And it costs CNY 3 per person. Afterwards, walk northwest around 700 yards.