$65 Cheap flight deals from Atlanta (ATL) to Southwest Illinois (STL)
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This Weekend's Flight Deals from Atlanta to Southwest Illinois
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 $65 One Way, $116 Round Trip from Atlanta to Southwest Illinois
Prices starting at $116 for return flights and $65 for one-way flights to Southwest Illinois were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Southwest Illinois economy flight packages
The Cheshire
Sep 25 - Sep 28
Atlanta (ATL) to St. Louis (STL)
Reviewed on Aug 7, 2025
Ameristar Casino Resort and Spa
Sep 25 - Sep 28
Atlanta (ATL) to St. Louis (STL)
Reviewed on Jul 30, 2025
More About Flying To Southwest Illinois from Atlanta
Route Information for Flights from Atlanta to Southwest Illinois
Origin Airport IATA Code | ATL |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Atlanta to Southwest Illinois
It has never been easier to find cheap Atlanta to Southwest Illinois flights. Orbitz has some of the best deals around to save you more money on your flight, hotel, and vacation package for the trip you have been waiting for.
Plan Your Atlanta to Southwest Illinois Flights on the Go
Orbitz offers cutting-edge mobile tools that let you search and book flights anywhere. All you need is a smartphone or mobile device to find discounts on flights from Atlanta to Southwest Illinois. Use the app to check to make sure your flight is on time or book a last-minute cheap hotel room.
Get the Best Deals on Atlanta to Southwest Illinois Flights
Finding great deals on flights from Atlanta to Southwest Illinois is a snap with Orbitz. With our guaranteed low prices, you don’t have to worry if you are getting the best prices on air tickets, hotels, and cruises. And with all that money you saved, you can enjoy your Southwest Illinois vacation even more.
Pile Up Miles With Discount Air Tickets
Not only can you find great bargains on Atlanta to Southwest Illinois flights, but you can rack up frequent flyer miles on the flights too. Enter your frequent flyer number on qualified flights when booking for Orbitz to see the miles pile up in your account.
Flight Alerts Keep You Informed
Stay on top of the latest updates for flights from Atlanta to Southwest Illinois. We send you free email and mobile alerts to keep you informed about delays to Atlanta to Southwest Illinois flights.
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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.