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 $46 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 | October 11 to October 18 | $108 |
| CLE | St. Louis | September 16 to September 19 | $119 |
| BNA | St. Louis | September 8 to September 10 | $150 |
| PGD | Mascoutah | October 6 to October 13 | $151 |
| CLT | St. Louis | October 8 to October 12 | $163 |
| DCA | St. Louis | October 29 to November 2 | $180 |
| AUS | St. Louis | October 30 to November 2 | $186 |
| ORF | St. Louis | October 26 to October 29 | $218 |
| DFW | Scott City | November 4 to November 9 | $223 |
| PVD | St. Louis | October 13 to October 17 | $281 |
| RSW | St. Louis | October 29 to November 5 | $284 |
| DFW | West Paducah | October 23 to October 26 | $304 |
| CLT | Marion | August 26 to September 2 | $523 |
| DFW | Marion | August 30 to September 3 | $558 |
| CLT | Scott City | September 27 to September 30 | $963 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| BNA | St. Louis | August 21 to August 24 | $236 |
| DFW | St. Louis | August 22 to September 6 | $269 |
| DCA | St. Louis | August 22 to August 23 | $340 |
| AUS | St. Louis | August 21 to August 25 | $355 |
| ORF | St. Louis | August 23 to August 24 | $458 |
| PGD | Mascoutah | August 23 to August 27 | $483 |
| DFW | Marion | August 21 to August 23 | $484 |
| RSW | St. Louis | August 21 to August 24 | $487 |
| CLE | St. Louis | August 23 to August 25 | $756 |
| DFW | Scott City | August 23 to August 26 | $11,836 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $46 |
Number of Airlines Serving | |
Airlines Serving | Frontier Airlines, Contour 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
"We had requested a crib when we arrived, but there was no crib available and the staff was very rude"
Reviewed on Aug 14, 2026
Americas Best Value Inn West Frankfort
"Clean enough... not a honeymoon suite, but the parking...the Trailer parking is awesome...great one night stay."
Reviewed on Aug 14, 2026
Super 8 by Wyndham Belleville St. Louis Area
"My son and his girlfriend stayed there for four days. They only had one working outlet in the entire room, which was in the bathroom. They were told by the hotel staff that someone would fix the outlets. The next day they never were fixed through the entire stay and also were never offered another ..."
Reviewed on Aug 12, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
"Meh. Older. Not bad, not great."
Reviewed on Aug 14, 2026
Super 8 by Wyndham Mt. Vernon IL
"Very clean rooms. Easy check in process!!"
Reviewed on Aug 13, 2026
Super 8 by Wyndham Carbondale
"It was okay"
Reviewed on Aug 15, 2026
Super 8 by Wyndham O'Fallon
"2 light bulbs were dead. We brush teeth in the dark and use the mirror in the living room. There was only one tiny body wash for two guests and nothing else. The sound from second floor not dying down until midnight. We didn't ask to change the room because we stayed one night only."
Reviewed on Aug 15, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
Drury Plaza Hotel Mt. Vernon
"Great stay!"
Reviewed on Aug 15, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
"Clean and comfortable"
Reviewed on Aug 13, 2026
Best Western Troy Hotel
"Room was very spacious and very clean.."
Reviewed on Aug 15, 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!