Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following registration statements our report dated June 12, 2024, relating to the financial statements and supplemental schedules of The Boeing Company 401(k) Retirement Plan appearing in this Annual Report on Form 11-K for the year ended December 31, 2023.

Form S-8

No. 33-31434

No. 33-43854

No. 333-32499

No. 333-73252

No. 333-107677

No. 333-140837

No. 333-163637

No. 333-252770

/s/ Deloitte & Touche LLP

Chicago, Illinois

June 12, 2024