Cheap Flights to Southwest Illinois from $85
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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 $117 and $85 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* |
|---|---|---|---|
| BNA | St. Louis | November 7 to November 9 | $117 |
| CLE | St. Louis | November 7 to November 9 | $117 |
| AUS | St. Louis | November 7 to November 7 | $132 |
| PGD | Mascoutah | November 12 to November 15 | $159 |
| ORF | St. Louis | November 19 to December 2 | $163 |
| DCA | St. Louis | November 18 to November 19 | $192 |
| CLT | St. Louis | November 17 to November 21 | $197 |
| DFW | Scott City | October 23 to October 26 | $258 |
| RSW | St. Louis | December 16 to December 20 | $334 |
| PVD | St. Louis | November 6 to November 9 | $339 |
| DFW | West Paducah | October 24 to October 24 | $726 |
| CLE | Marion | December 1 to December 4 | $758 |
| CLT | Scott City | November 5 to November 12 | $852 |
| AUS | Scott City | October 17 to October 19 | $1,470 |
| RSW | Scott City | October 22 to November 2 | $6,572 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DFW | St. Louis | October 18 to October 26 | $287 |
| CLE | St. Louis | October 18 to October 24 | $300 |
| BNA | St. Louis | October 17 to October 19 | $454 |
| CLT | St. Louis | October 16 to October 18 | $500 |
| RSW | St. Louis | October 18 to November 4 | $556 |
| DFW | Marion | October 16 to October 18 | $733 |
| AUS | St. Louis | October 16 to October 18 | $861 |
| DCA | St. Louis | October 17 to October 19 | $973 |
| AUS | Scott City | October 17 to October 19 | $1,470 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $117 |
Number of Airlines Serving | |
Airlines Serving | Southwest Airlines, 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
Super 8 by Wyndham Marion
Americas Best Value Inn West Frankfort
"bugs all over not clean breakfast was horrible"
Reviewed on Oct 2, 2026
Super 8 by Wyndham Belleville St. Louis Area
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
"The room was clean, the lobby was messy. Barely a breakfast . The only thing hot was a the waffles guests had to make themselves. Need a hot protein - eggs, sausage/bacon etc. Coffee was good , but only powdered creamer . We paid within 12.00 the night before and had better breakfast and liquid creamer ..."
Reviewed on Oct 10, 2026
Super 8 by Wyndham Mt. Vernon IL
Super 8 by Wyndham Carbondale
"Clean room"
Reviewed on Oct 10, 2026
Super 8 by Wyndham O'Fallon
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"This is an excellent hotel to stay at. Updated, easy parking, staff is very friendly, breakfast is great, will stay at this hotel again."
Reviewed on Sep 27, 2026
Drury Plaza Hotel Mt. Vernon
"This was the best hotel I’ve stayed in. The accommodations were outstanding with wonderful people managing the desk! Two young ladies helped us and it was amazing!"
Reviewed on Oct 9, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
Best Western Troy Hotel
"It was the perfect place to stay overnight during my trip."
Reviewed on Oct 8, 2026
Best Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy flights
Need a Car For After Your Flight?
Mini Van
$74
Compact
$77
Economy
$77
Standard
$78
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!