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Cheap Flights from St. Louis to Chicago

Prices were available within the past 7 days and starts at $49 for one-way flights and $91 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

St. Louis to Chicago route information

Origin Airport Lambert-St. Louis Intl.
Destination Airport O'Hare Intl.
Airlines Serving American Airlines, Cape Air, Delta, United
Flight Price $91
Distance 258 mi

Cheap STL to ORD Flights