Please wait

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements No. 333-265748 and 333-272339 on Form S-3, No. 333-291154 on Form S-3ASR and No. 333-266809 on Form S-8 of our reports dated March 9, 2026, with respect to the consolidated financial statements of Global Business Travel Group, Inc. and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP

New York, New York

March 9, 2026