Styles will bring his "Together, Together" tour to Soldier Field for back-to-back shows May 28 and 29.
The Chicago dates are part of a 25-show expansion across North America and Europe.
The Womack Sisters are set to open both nights.
Styles is currently performing a 30-night residency at Madison Square Garden in New York.
Presale sign up closes on Sep. at 10:59 CDT.