$49 Cheap flight deals from Chicago (CHI) to St. Peters (STL)
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This Weekend's Flight Deals from Chicago to St. Peters
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $49 One Way, $120 Round Trip from Chicago to St. Peters
Prices starting at $120 for return flights and $49 for one-way flights to St. Peters were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
St. Peters economy flight packages
The Wildwood Hotel
Dec 12 - Dec 14
Chicago (ORD) to St. Louis (STL)
Reviewed on Oct 16, 2025
The Knight Center at Washington University
Dec 12 - Dec 14
Chicago (ORD) to St. Louis (STL)
Reviewed on Sep 15, 2025
More About Flying To St. Peters from Chicago
Route Information for Flights from Chicago to St. Peters
Origin Airport IATA Code | CHI |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Chicago to St. Peters
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St. Peters Airports
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.