Cheap Flights to Southwest Illinois from $49
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How Much Does it Cost To Fly To Southwest Illinois?
The cheapest prices found with in the last 7 days for return flights were $84 and $49 for one-way flights to Southwest Illinois for the period specified. Prices and availability are subject to change. Additional terms apply
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DFW | St. Louis | September 1 to September 1 | $108 |
| PGD | Mascoutah | October 20 to October 25 | $112 |
| DFW | Scott City | October 22 to October 26 | $223 |
| ORF | St. Louis | August 27 to August 29 | $277 |
| CLT | West Paducah | August 28 to August 29 | $293 |
| RSW | St. Louis | October 8 to October 12 | $297 |
| DFW | West Paducah | October 1 to October 4 | $304 |
| AUS | West Paducah | August 26 to August 31 | $308 |
| PVD | St. Louis | October 1 to October 3 | $334 |
| AUS | Marion | September 11 to September 13 | $344 |
| BNA | Marion | August 25 to August 26 | $412 |
| DFW | Marion | August 27 to August 31 | $424 |
| BNA | West Paducah | September 7 to September 11 | $452 |
| BNA | Scott City | August 25 to September 1 | $560 |
| CLE | Marion | September 18 to September 21 | $577 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| PGD | Mascoutah | August 8 to August 10 | $247 |
| BNA | St. Louis | August 9 to August 12 | $267 |
| DFW | St. Louis | August 9 to August 11 | $325 |
| DFW | Scott City | August 8 to August 9 | $354 |
| CLE | St. Louis | August 7 to August 10 | $361 |
| CLT | St. Louis | August 7 to August 10 | $453 |
| RSW | St. Louis | August 7 to August 8 | $487 |
| ORF | St. Louis | August 7 to August 9 | $495 |
| DFW | Marion | August 9 to August 17 | $557 |
| AUS | St. Louis | August 8 to August 14 | $756 |
| DCA | St. Louis | August 8 to August 11 | $7,128 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $84 |
Number of Airlines Serving | |
Airlines Serving | Frontier Airlines |
Number of Daily Flights | |
Airlines with Direct Flights |
Find The Perfect Hotel For After Your Flight
Amazing Southwest Illinois Accommodation Deals
Motel 6 Caseyville, IL - Caseyville Il
Super 8 by Wyndham Marion
"Our top sheet on our bed was stained! Throw those away please! Not appealing at all!"
Reviewed on Aug 1, 2026
Americas Best Value Inn West Frankfort
"Room clean, convenient location, quiet"
Reviewed on Jul 26, 2026
Super 8 by Wyndham Belleville St. Louis Area
"Terrible hotel terrible staff"
Reviewed on Jul 28, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
Super 8 by Wyndham Mt. Vernon IL
"The room was clean and the staff helpfull."
Reviewed on Aug 1, 2026
Super 8 by Wyndham Carbondale
"Nice beds and staff"
Reviewed on Jul 28, 2026
Super 8 by Wyndham O'Fallon
"The room was filthy with roaches. and bed bugs. I couldn't sleep under the sheets I had to use my own blanket. The bathroom tub and walls were dirty. The couch was broken and the room was entitoo dark even with the lights on. The hallway carpets were filthy and smelled like marijuana all the time. ..."
Reviewed on Aug 2, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"Specifically asked the desk for the room to be made up on a two night stay. It was not. I then asked for at least clean towels. I was told I have to come and get them. No apologies, just poor attitude from attending staff. I have stayed here numerous times over the last two years, but probably not ..."
Reviewed on Jul 31, 2026
Drury Plaza Hotel Mt. Vernon
Comfort Inn & Suites O'Fallon - St. Louis Area
"The woman who seemed to run it, spent most of her time on her phone. Check in was, show me your id, how are you paying, elevator is over there. Breakfast, no regular coffee, no cups to measure batter for waffles, two of the hot containers were empty no idea what food was supposed to be in them. And ..."
Reviewed on Aug 1, 2026
Best Western Troy Hotel
"Looks to be a newer hotel or remodeling. Room was big and clean. Would stay there again."
Reviewed on Jul 29, 2026
Best Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy flights
Need a Car For After Your Flight?
Economy
Compact
Midsize
SUV
Frequently asked questions
Plane Tickets To Southwest Illinois
Although you may try and resist the urge, you know that when the travel bug comes, there is only one way to get rid of it. Thankfully, Travelocity is here to help nip that travel bug in the bud with great deals on flights to Southwest Illinois. Browse through our inventory to explore a wide range of cheap flights to Southwest Illinois to solidify your next big trip out of town. Whether you are heading out on a business trip, exploring a place you have never been for pleasure or are bringing the family on the annual vacation, we have the perfect getaway waiting for you. In no time, you will be day dreaming of your plane landing in Southwest Illinois as you anxiously await to exit the plane and explore what Southwest Illinois has to offer. Considering all the amazing local food and culture in Southwest Illinois, we won't hold this against you.
When you are ready to embark on your next big adventure, Travelocity will be right here waiting to open the doors to the garden so that you can go and smell the roses. When you decide to book and travel is entirely up to you, but don't wait too long because we have some of the best deals on the web and they won't last long. Take time to go through our huge selection of cheap flights to Southwest Illinois to find the best deals that fit into your budget. If browsing on your phone while your boss isn't looking is more your thing (we promise we won't tell), consider checking out Travelocity's mobile app which allows you to take advantage of all our flights to Southwest Illinois without having to compromise your work computer's search history. If you are looking to save even more, you can easily save up to $537 when you bundle one of our cheap flights to Southwest Illinois with one of our hotels. So why are you waiting around? There is no better time than now to start booking that next trip. Start your search now to book one of our flights to Southwest Illinois today!