Existing investors also participated in the recent round of funding, the company said in a statement.
The company had earlier raised USD 23 million over two rounds from SAIF Partners, Matrix Partners India, and Bertelsmann India Investments.
Commenting on the funding, Treebo Hotels co-founder Sidharth Gupta said: "Ward Ferry and Karst Peak are both seasoned investors in the global markets including in the travel and hospitality space."