Cheap Flights to Southwest Illinois
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| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DEN | St. Louis | July 30 to August 5 | $138 |
| JFK | St. Louis | August 18 to August 19 | $207 |
| FLL | St. Louis | June 24 to June 29 | $208 |
| AUS | St. Louis | August 6 to August 11 | $272 |
| LGA | West Paducah | June 9 to June 16 | $328 |
| LGA | Marion | July 9 to July 10 | $391 |
| JFK | Marion | July 9 to July 10 | $471 |
| EWN | St. Louis | July 20 to July 22 | $474 |
| AUS | West Paducah | August 16 to August 21 | $522 |
| DEN | Marion | June 24 to June 29 | $563 |
| AUS | Marion | August 16 to August 21 | $581 |
| DEN | West Paducah | June 18 to June 21 | $619 |
| FLL | Marion | June 11 to June 18 | $669 |
| FLG | St. Louis | June 15 to June 28 | $745 |
| STL | Scott City | June 15 to June 22 | $1,437 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $138 |
Number of Airlines Serving | |
Airlines Serving | Frontier Airlines, Delta, Southwest Airlines, United, American Airlines, Alaska 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
"The room was extremely small the laundry room was out of order people using drugs in the open wasn’t a legal drug customer service was even worse"
Reviewed on Jun 1, 2026
Super 8 by Wyndham Marion
"It was a very nice place. Staff at the front desk was very nice and accommodating. Room was very clean. Didn't like the breakfast options, it was very limited but that was the only issue for me. I will stay there again. 😊"
Reviewed on May 30, 2026
Americas Best Value Inn West Frankfort
"The bed was fine, and I was able to sleep well. Overall, the room was clean. The bathroom's fixtures were kind of outdated, and the pressure in the shower head was very low. But all I needed was a comfortable place to sleep, and they provided that. "How helpful were the amenities?" Fine...once I ..."
Reviewed on Jun 1, 2026
Super 8 by Wyndham Belleville St. Louis Area
"Nice room and location would stay again"
Reviewed on Jun 1, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
"Staff was very nice, amenities were sufficient. Beds were a little hard but we still had a good night’s sleep."
Reviewed on Jun 1, 2026
Super 8 by Wyndham Mt. Vernon IL
"Clean, quiet and close to amenities. Value for money. Excellent."
Reviewed on Jun 1, 2026
Super 8 by Wyndham Carbondale
"Good"
Reviewed on May 27, 2026
Super 8 by Wyndham O'Fallon
"Terrible do not stay here"
Reviewed on Jun 2, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"General cleanliness"
Reviewed on Jun 2, 2026
Drury Plaza Hotel Mt. Vernon
"This is the best hotel chain. If there is one in the area stay here!! The food and drinks are always fantastic. So clean, comfy, and quiet."
Reviewed on Jun 2, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
"The comforter had stains. Breakfast was set up with no care given to it. The front guest person was at the desk sleeping both evenings I came in. I mean you get what you pay for."
Reviewed on May 31, 2026
Best Western Troy Hotel
"Horrible breakfast, and coffee. The pool looked like a bowl of jello with bubbles"
Reviewed on Jun 1, 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?
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Frequently asked questions
Plane Tickets To Southwest Illinois
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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!