EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-226812) and Form S‑8 (Nos. 333-231623, 333-219192, 333-215623, 333-209067, 333-201412, 333-194105, 333-193867, 333-186857, 333-179721, 333-172516, 333-165362, 333-157555, 333-149359 and 333-145237) of PROS Holdings, Inc. of our report dated February 19, 2020 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP

San Jose, California

February 19, 2020