Cheap Flights to Southwest Illinois from $28
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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 $28 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 22 to October 25 | $103 |
| PGD | Mascoutah | October 15 to October 18 | $125 |
| BNA | St. Louis | September 5 to September 7 | $162 |
| CLT | St. Louis | October 8 to October 12 | $163 |
| DFW | Scott City | September 11 to September 14 | $226 |
| RSW | St. Louis | October 29 to November 5 | $284 |
| PVD | St. Louis | September 29 to October 1 | $285 |
| DFW | West Paducah | October 23 to October 26 | $304 |
| ORF | St. Louis | September 8 to September 9 | $305 |
| BNA | Marion | August 27 to August 31 | $363 |
| DFW | Marion | August 27 to August 31 | $424 |
| CLE | West Paducah | October 14 to October 15 | $512 |
| DCA | Marion | September 10 to September 13 | $623 |
| BNA | Scott City | September 11 to September 18 | $653 |
| CLT | Scott City | September 27 to September 30 | $963 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| BNA | St. Louis | August 14 to August 17 | $174 |
| CLE | St. Louis | August 14 to August 16 | $302 |
| DFW | St. Louis | August 16 to August 18 | $329 |
| DCA | St. Louis | August 14 to August 16 | $393 |
| CLT | St. Louis | August 14 to August 15 | $495 |
| ORF | St. Louis | August 16 to August 19 | $658 |
| AUS | St. Louis | August 15 to August 22 | $732 |
| PVD | St. Louis | August 15 to August 20 | $789 |
| CLT | Marion | August 14 to August 16 | $1,319 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $46 |
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
"The staff was very nice at the front desk. Little language barrier but not to bad. The hotel it self was very clean. The room on the other hand was like someone changed the bed and rushed cleaned the rest. The bathroom was nice and roomy, had a shower with a short tub if you had kids it maybe ok. ..."
Reviewed on Aug 10, 2026
Super 8 by Wyndham Marion
"La ubicación, limpieza y atención del personal, facilidad para estacionarse."
Reviewed on Aug 10, 2026
Americas Best Value Inn West Frankfort
"At front desk strong of i dont know yuck .... I book a room that they didn't even have available, per notice of one room left on this app owner was very rude front desk girl was very helpful to cancel my booking here !!"
Reviewed on Aug 8, 2026
Super 8 by Wyndham Belleville St. Louis Area
"My stay there was very pleasant. The room was clean and updated."
Reviewed on Aug 10, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
Super 8 by Wyndham Mt. Vernon IL
"Parking staff"
Reviewed on Aug 10, 2026
Super 8 by Wyndham Carbondale
"The room and bed/sheets were clean. Unfortunately the air conditioner wasn’t left on so the room was really hot when we arrived. The stair well had a funny smell but the room itself was nice and did not smell. The property seems well taken care of, but you get what you pay for. The bathtub is in ..."
Reviewed on Aug 9, 2026
Super 8 by Wyndham O'Fallon
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"This is a nice location. The staff is friendly."
Reviewed on Aug 11, 2026
Drury Plaza Hotel Mt. Vernon
Comfort Inn & Suites O'Fallon - St. Louis Area
"Staff was great. My room didn’t have a bathroom fan, there was a 6 foot spot about to fall down out of the ceiling, the first floor ice machine did not work, and everything BESIDES the inside of the room was visibly dirty. Once again the staff was very helpful in making the best of the stay, just ..."
Reviewed on Aug 10, 2026
Best Western Troy Hotel
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!