Cheap Flights to Southwest Illinois from $24
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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 $57 and $24 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 | February 28 to March 7 | $68 |
| AUS | St. Louis | February 23 to February 26 | $155 |
| JFK | St. Louis | April 9 to April 16 | $160 |
| LGA | St. Louis | April 9 to April 16 | $160 |
| FLL | St. Louis | March 11 to March 23 | $171 |
| LGA | West Paducah | February 25 to March 1 | $260 |
| AUS | West Paducah | March 20 to March 23 | $381 |
| EWN | St. Louis | April 1 to April 15 | $460 |
| STL | Scott City | March 28 to April 11 | $551 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| AUS | St. Louis | February 7 to February 9 | $204 |
| JFK | St. Louis | February 8 to February 9 | $304 |
| DEN | St. Louis | February 7 to February 10 | $347 |
| LGA | St. Louis | February 7 to February 12 | $361 |
| FLL | St. Louis | February 6 to February 8 | $458 |
| EWN | St. Louis | February 8 to February 24 | $524 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $57 |
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
Exceptionally clean laundry room
Reviewed on Dec 26, 2025
Super 8 by Wyndham Marion
Old but clean and comfortable. Heating unit a little too noisy.
Reviewed on Jan 3, 2026
Americas Best Value Inn West Frankfort
Staff was very nice and professional. Room was clean, bed was comfortable. There was a bit of cigarette smell, but would stay again.
Reviewed on Nov 8, 2025
Super 8 by Wyndham Belleville St. Louis Area
Clean room, great staff
Reviewed on Jan 18, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
Nice clean room Clean grounds Clean facility Breakfast looked tolerable
Reviewed on Feb 1, 2026
Super 8 by Wyndham Mt. Vernon IL
Clean room, friendly, breakfast average, fair price, $25 for dog seems excessive. Biggest complaint is not having parking lot cleared of snow or at a minimilum, shovel a path to the door
Reviewed on Jan 31, 2026
Super 8 by Wyndham Carbondale
Staff was kind and room was clean; no issues with our stay here
Reviewed on Jan 28, 2026
Super 8 by Wyndham O'Fallon
Room and service amazing as always
Reviewed on Feb 3, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
Room was clean and in good repair with plenty of accessible outlets. The staff was friendly and helpful. The shower had great pressure and volume.
Reviewed on Feb 1, 2026
Drury Plaza Hotel Mt. Vernon
One of the nicest places. Great food, night and day
Reviewed on Feb 2, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
Room was clean. One bed had a “divot” — asked for a solution, but nothing was done.
Reviewed on Jan 11, 2026
Best Western Troy Hotel
Room was clean, staff was friendly, no complaints.
Reviewed on Jan 30, 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!