EXHIBIT 15.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-136264, No.333-116567 and No. 333-146761) and Form F-3 (No. 333-145161 and No. 333-165150) of Ctrip.com International, Ltd. of our report dated March 29, 2013 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 20-F.

/s/ PricewaterhouseCoopers Zhong Tian CPAs Limited Company

PricewaterhouseCoopers Zhong Tian CPAs Limited Company

Shanghai, PRC

March 29, 2013

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