Book it from Pittsburgh to Chicago with flights as low as $115*

Best flight offers from Pittsburgh to Chicago

Try alternate month or interact with individual days below in order to find offers.
Jul 2025
No result for this month.
Aug 2025
No result for this month.
Sep 2025
From$269*
Seen: 15 hrs ago
One-way/Core
Displaying fares for July-2025
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    • *Fares shown reflect recent availability (collected within 24 hours), subject to change at any time. Fares are one-way and reflect lowest available fare (which may be Blue Basic). Fares do not include baggage fees or optional services and additional restrictions apply.