Cheap Flights to Southwest Illinois from $46
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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 $88 and $46 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* |
|---|---|---|---|
| CLE | St. Louis | October 13 to October 14 | $117 |
| BNA | St. Louis | October 30 to November 2 | $149 |
| DFW | St. Louis | November 2 to November 9 | $154 |
| PGD | Mascoutah | November 3 to November 17 | $157 |
| ORF | St. Louis | November 19 to December 2 | $166 |
| AUS | St. Louis | October 21 to October 24 | $175 |
| CLT | St. Louis | October 27 to October 29 | $197 |
| DCA | St. Louis | October 24 to October 26 | $201 |
| DFW | Scott City | November 23 to December 3 | $238 |
| PVD | St. Louis | November 10 to November 13 | $324 |
| DFW | West Paducah | October 29 to October 31 | $328 |
| BNA | Scott City | October 21 to October 25 | $443 |
| DCA | West Paducah | October 14 to October 16 | $560 |
| AUS | Scott City | October 14 to October 18 | $1,102 |
| DCA | Scott City | October 12 to October 18 | $1,268 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| BNA | St. Louis | September 27 to September 30 | $313 |
| CLE | St. Louis | September 25 to September 28 | $343 |
| DFW | St. Louis | September 25 to September 27 | $354 |
| CLT | St. Louis | September 27 to October 3 | $422 |
| DFW | Scott City | September 25 to September 27 | $464 |
| DCA | St. Louis | September 25 to September 27 | $485 |
| RSW | St. Louis | September 26 to October 3 | $487 |
| ORF | St. Louis | September 27 to September 30 | $544 |
| PGD | Mascoutah | September 27 to October 1 | $575 |
| PVD | St. Louis | September 25 to September 30 | $693 |
| RSW | Scott City | September 25 to October 1 | $781 |
| AUS | St. Louis | September 25 to September 27 | $1,146 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $88 |
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
"Clean room"
Reviewed on Sep 20, 2026
Super 8 by Wyndham Marion
Americas Best Value Inn West Frankfort
"We just needed sleep for the night ,got there late and left early , such a good price and right off interstate 57 ."
Reviewed on Sep 22, 2026
Super 8 by Wyndham Belleville St. Louis Area
"I’ve been staring at this motel Super 8 By Wyndham for almost 10 years and I have no problem with it. The rooms are clean towels and sheets are clean, no bedbugs Staff are very helpful Very nice. The properties in a good location from the downtown area of Belleville, Illinois bus accessible, as well ..."
Reviewed on Sep 20, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
Super 8 by Wyndham Mt. Vernon IL
Super 8 by Wyndham Carbondale
Super 8 by Wyndham O'Fallon
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
Drury Plaza Hotel Mt. Vernon
Comfort Inn & Suites O'Fallon - St. Louis Area
"The hotel itself was very rundown and just dirty. There was large smell of Marijuana in most areas, including pool area. I had small children with me so this was upsetting since we were not able to use these amenities. We did tell hotel staff but they didnt seem to care. I would not be surprised ..."
Reviewed on Sep 20, 2026
Best Western Troy Hotel
"Nice place"
Reviewed on Sep 19, 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!