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* |
|---|---|---|---|
| DEN | St. Louis | August 17 to August 25 | $124 |
| LGA | St. Louis | June 16 to June 17 | $195 |
| FLL | St. Louis | June 24 to June 27 | $204 |
| AUS | St. Louis | July 23 to July 26 | $240 |
| JFK | St. Louis | June 16 to September 29 | $310 |
| LGA | Scott City | June 16 to September 22 | $405 |
| LGA | Marion | July 9 to July 10 | $406 |
| JFK | Scott City | June 17 to September 30 | $446 |
| JFK | Marion | July 9 to July 10 | $476 |
| DEN | West Paducah | May 28 to May 31 | $496 |
| AUS | Marion | July 10 to July 11 | $506 |
| EWN | St. Louis | July 21 to July 23 | $638 |
| FLG | St. Louis | July 6 to July 9 | $828 |
| DEN | Scott City | June 19 to June 21 | $1,355 |
| AUS | Scott City | June 1 to June 2 | $1,686 |
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
"Very upset with management. Checked in around 11:30pm the night before and got late check out so we could sleep in having driven 17 hours."
Reviewed on May 14, 2026
Super 8 by Wyndham Marion
"Leaking bathroom sink tile, TV freezing up, microwave halfway worked, keys to open doors kept having to be updated, breakfast could have been better, noisy, no elevators, and the cost of the room was too much for what they offered."
Reviewed on May 18, 2026
Americas Best Value Inn West Frankfort
"Great price for a nice king suite with jetted tub"
Reviewed on May 17, 2026
Super 8 by Wyndham Belleville St. Louis Area
"HVAC worked well. Everyone was pleasant and helpful. Breakfast was great!"
Reviewed on May 17, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
"Very nice place at a good price. The room and public spaces were very clean. The bed was comfortable and the room quiet. I strongly recommend."
Reviewed on May 18, 2026
Super 8 by Wyndham Mt. Vernon IL
"Staff was nice but our room smelled and was in pretty bad shape."
Reviewed on May 18, 2026
Super 8 by Wyndham Carbondale
"Very nice. Close to the university. Good for college families."
Reviewed on May 15, 2026
Super 8 by Wyndham O'Fallon
"Did not match pictures at all. Pool was closed, workout room had broken equipment, room was dirty. There were only 2 towels in the room and when asked for more, they only could give us one more plus a bath mat to use as a towel. No ice machine. Cigarettes everywhere right outside the door."
Reviewed on May 19, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"tv remote did not work .. night blinds would not go down at night leaving the room to bright for sleeping"
Reviewed on May 13, 2026
Drury Plaza Hotel Mt. Vernon
"Wonderful stay! Great hotel and convenient location off the highway. We loved the evening meal and happy hour."
Reviewed on May 19, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
"Just a little different, stains on the bed comforter and elevator was dirty. Just a bit dirty"
Reviewed on May 17, 2026
Best Western Troy Hotel
"The property is still under renovation"
Reviewed on May 18, 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!