Cheap Flights to Southwest Illinois from $29
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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 $56 and $29 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 | August 8 to August 11 | $111 |
| BNA | St. Louis | August 19 to August 22 | $117 |
| CLE | St. Louis | September 23 to September 28 | $117 |
| PGD | Mascoutah | October 22 to October 25 | $125 |
| ORF | St. Louis | August 15 to August 20 | $277 |
| BNA | West Paducah | August 2 to August 9 | $279 |
| PVD | St. Louis | August 15 to August 17 | $281 |
| RSW | West Paducah | October 2 to October 5 | $294 |
| DFW | West Paducah | October 1 to October 4 | $294 |
| RSW | St. Louis | September 21 to September 28 | $297 |
| BNA | Marion | August 6 to August 10 | $366 |
| DFW | Marion | August 27 to September 1 | $453 |
| PVD | Scott City | August 6 to August 8 | $597 |
| CLT | West Paducah | August 13 to August 17 | $699 |
| CLE | Scott City | August 14 to August 16 | $892 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| BNA | St. Louis | July 24 to July 26 | $215 |
| PGD | Mascoutah | July 24 to July 25 | $264 |
| CLE | St. Louis | July 26 to July 30 | $270 |
| DCA | St. Louis | July 26 to July 29 | $339 |
| DFW | St. Louis | July 26 to July 31 | $346 |
| CLT | St. Louis | July 26 to August 2 | $378 |
| PVD | St. Louis | July 25 to July 27 | $507 |
| ORF | St. Louis | July 26 to July 31 | $518 |
| RSW | St. Louis | July 24 to July 27 | $662 |
| AUS | St. Louis | July 25 to July 27 | $923 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $56 |
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
Americas Best Value Inn West Frankfort
"The room was comfortable, but the bathroom could use some updating and be cleaned more thoroughly. The A/C was ok as it kept turning on and off a lot and was noisy. The breakfast choices was wonderful. Fresh fruit, yogurts, danishes, bagels with cream cheese, chicken and biscuits sandwiches, OJ, ..."
Reviewed on Jul 5, 2026
Super 8 by Wyndham Belleville St. Louis Area
"Very clean, safe were sooo friendly and helpful!!!!👌👏"
Reviewed on Jul 15, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
Super 8 by Wyndham Mt. Vernon IL
"Great price clean room friendly staff great breakfast"
Reviewed on Jul 15, 2026
Super 8 by Wyndham Carbondale
"Nice stay"
Reviewed on Jul 10, 2026
Super 8 by Wyndham O'Fallon
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"Quick and easy access off the highway and was more than perfect for my little family of 3 on our way to Mississippi. Would definitely come back if needed."
Reviewed on Jul 16, 2026
Drury Plaza Hotel Mt. Vernon
"The room and staff were excellent. The lady who helps with the breakfast and dinner was very friendly and asked if we needed anything and took our dirty dishes. The staff behind the desk was equally friendly and helpful. It was our 2nd stay at this location."
Reviewed on Jul 17, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
"Mold in the shower! There wasnt any bath soap. I couldn't reach anyone for the front desk. Air-conditioning was set at 64 degrees We aren't Polar Bears. Give me a break I cant recommend this place!!!"
Reviewed on Jul 11, 2026
Best Western Troy Hotel
"The room was renovated and the breakfast was skimpy at best."
Reviewed on Jul 14, 2026
Best Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy flights
Southwest Illinois flight + hotel packages - first class 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!