$91 Cheap flight deals from Jacksonville (JAX) to O'Fallon (STL)
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This Weekend's Flight Deals from Jacksonville to O'Fallon
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 $91 One Way, $190 Round Trip from Jacksonville to O'Fallon
Prices starting at $190 for return flights and $91 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 Knight Center at Washington University
Sep 11 - Sep 14
Jacksonville (JAX) to St. Louis (STL)
St. Louis (STL) to Jacksonville (JAX)
Reviewed on Jul 26, 2025
Hilton Pennywell St. Louis at the Arch
Sep 11 - Sep 14
Jacksonville (JAX) to St. Louis (STL)
St. Louis (STL) to Jacksonville (JAX)
Reviewed on Jul 18, 2025
More About Flying To O'Fallon from Jacksonville
Route Information for Flights from Jacksonville to O'Fallon
Origin Airport IATA Code | JAX |
|---|---|
Destination Airport IATA Code | STL |
Distance | 753 mi |
Direct Flight Airlines | Southwest Airlines |
Earliest Flight Arrival | 1:40PM UTC |
Latest Flight Arrival | 2:45AM UTC |
Jacksonville to O'Fallon
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Mobile Apps for Jacksonville to O'Fallon Flights
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Budget Flying Made Simple
Finding cheap flights from Jacksonville to O'Fallon is easy with Orbitz. You can pick and choose airlines for your international flights to create inexpensive yet convenient travel arrangements.
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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.