$127 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 $127 One Way, $255 Round Trip from Jacksonville to O'Fallon
Prices starting at $255 for return flights and $127 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 Cheshire
Jun 12 - Jun 15
Jacksonville (JAX) to St. Louis (STL)
St. Louis (STL) to Jacksonville (JAX)
Reviewed on May 4, 2026
The Royal Sonesta Chase Park Plaza St. Louis
Jun 12 - Jun 15
Jacksonville (JAX) to St. Louis (STL)
St. Louis (STL) to Jacksonville (JAX)
Reviewed on Jan 12, 2026
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 | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Jacksonville to O'Fallon
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Orbitz looks for the best deals on Jacksonville to O'Fallon flights for you. Mix and match airlines for your departing and return flights to fit your travel schedule and budget.
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O'Fallon 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.