
$111 Cheap flight deals from Harrisburg - Hershey (HAR) to O'Fallon (STL)
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Airfares from $111 One Way, $226 Round Trip from Harrisburg - Hershey to O'Fallon
Prices starting at $226 for return flights and $111 for one-way flights to O'Fallon were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
O'Fallon economy flight packages

The West End
May 13 - May 18
Harrisburg (MDT) to St. Louis (STL)
Reviewed on Feb 17, 2025

The Cheshire
May 13 - May 18
Harrisburg (MDT) to St. Louis (STL)
Reviewed on Sep 2, 2025

Hampton Inn & Suites Clayton/St. Louis-Galleria Area
May 13 - May 18
Harrisburg (MDT) to St. Louis (STL)
Reviewed on Apr 20, 2022
More About Flying To O'Fallon from Harrisburg - Hershey
Route Information for Flights from Harrisburg - Hershey to O'Fallon
Origin Airport IATA Code | HAR |
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Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Harrisburg - Hershey to O'Fallon
Harrisburg - Hershey to O'Fallon flights are offered at fantastic discount by Orbitz. Book air tickets now and cut those extra costs out of your travel budget to ensure a rewarding travel experience. With guaranteed low prices like these, can you afford to miss this discount?
Book cheap flights from Harrisburg - Hershey to O'Fallon
Cheap airfares are available on flights from Harrisburg - Hershey to O'Fallon. Use Orbitz to find the best flights that suit both your budget and the travel times that you need. Travelers who are looking for discounted rates on domestic or international flights need to look no further than Orbitz.
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Harrisburg - Hershey Airports
O'Fallon Airports
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.



