$89 Cheap flight deals from Gainesville (MCO) to O'Fallon (STL)
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This Weekend's Flight Deals from Gainesville 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 $89 One Way, $170 Round Trip from Gainesville to O'Fallon
Prices starting at $170 for return flights and $89 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 Wildwood Hotel
Jul 24 - Jul 27
Jacksonville (JAX) to St. Louis (STL)
St. Louis (STL) to Jacksonville (JAX)
Reviewed on Feb 24, 2026
The Cheshire
Jul 24 - Jul 27
Jacksonville (JAX) to St. Louis (STL)
St. Louis (STL) to Jacksonville (JAX)
Reviewed on May 4, 2026
Ameristar Casino Resort and Spa
Jul 24 - Jul 27
Jacksonville (JAX) to St. Louis (STL)
St. Louis (STL) to Jacksonville (JAX)
Reviewed on Dec 2, 2025
More About Flying To O'Fallon from Gainesville
Route Information for Flights from Gainesville to O'Fallon
Origin Airport IATA Code | MCO |
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Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Gainesville to O'Fallon
If you are looking online for bargain Gainesville to O'Fallon flights, Orbitz is your ideal destination. We understand that vacations can be expensive and offer guaranteed low prices on our domestic and international tickets.
Orbitz Uses Cutting-Edge Mobile Tools
Orbitz may offer low cost Gainesville to O'Fallon flights but this does not mean that we skimp on giving you the latest mobile apps. You don’t have to worry about checking your flight status as we send the info for your flights from Gainesville to O'Fallon directly to your smartphone.
Fly Cheap and Earn Miles on Your Gainesville to O'Fallon Flights
Frequent flyer miles and points are great—and even better when you earn them on cheap flights from Gainesville to O'Fallon. With Orbitz, you can earn miles for your frequent flyer program on qualified flights. Enter your frequent flyer number when you book with us to get rewarded for your flight.
Orbitz Takes the Hassle Out Of Flying
We know that flying can be stressful, particularly if you are traveling with young children. That’s why we make sure you are aware of any changes or delays to your flights from Gainesville to O'Fallon via your phone or email address. We can even inform family members too.
Orbitz Flights Fit Around Your Lifestyle
Orbitz understands that you don’t necessarily want to fly at 5:00 a.m—and that sometimes you do. This is why we allow you to find the best Gainesville to O'Fallon flights at the times you want with ease.
Flights from Gainesville
- Gainesville to Orlando
- Gainesville to Dallas
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- Gainesville to Key West
- Gainesville to Chicago
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- Gainesville to Detroit
- Gainesville to Newark
- Gainesville to Chattanooga
- Gainesville to Columbia
- Gainesville to Toronto
- Gainesville to Wilmington
- Gainesville to Dothan
- Gainesville to Rome
- Gainesville to Augusta
- Gainesville to Columbia
- Gainesville to Grand Junction
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.