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 $48 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* |
|---|---|---|---|
| PGD | Mascoutah | January 16 to January 23 | $104 |
| CLE | St. Louis | December 10 to December 14 | $117 |
| BNA | St. Louis | December 3 to December 4 | $117 |
| ORF | St. Louis | December 5 to December 7 | $173 |
| DCA | St. Louis | January 22 to January 25 | $198 |
| AUS | St. Louis | November 18 to November 25 | $221 |
| DFW | St. Louis | November 24 to November 26 | $238 |
| DFW | Scott City | December 3 to December 7 | $258 |
| RSW | St. Louis | January 12 to January 15 | $330 |
| DFW | West Paducah | November 24 to November 27 | $350 |
| PVD | St. Louis | January 4 to January 6 | $385 |
| CLT | West Paducah | November 19 to November 24 | $387 |
| CLT | Marion | November 19 to November 24 | $516 |
| AUS | West Paducah | November 26 to November 29 | $809 |
| AUS | Scott City | November 20 to November 22 | $1,418 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DCA | St. Louis | November 14 to November 21 | $270 |
| DFW | St. Louis | November 14 to November 16 | $324 |
| CLT | St. Louis | November 14 to November 23 | $359 |
| CLE | St. Louis | November 15 to November 16 | $368 |
| DFW | West Paducah | November 14 to November 15 | $382 |
| DFW | Scott City | November 13 to November 16 | $428 |
| PVD | St. Louis | November 15 to November 18 | $844 |
| BNA | St. Louis | November 15 to November 19 | $997 |
| AUS | St. Louis | November 13 to November 17 | $1,021 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $48 |
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
Super 8 by Wyndham Marion
"TV's were very small"
Reviewed on Nov 6, 2026
Americas Best Value Inn West Frankfort
"Infested with rodents."
Reviewed on Oct 28, 2026
Super 8 by Wyndham Belleville St. Louis Area
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
"Great value for the price"
Reviewed on Nov 4, 2026
Super 8 by Wyndham Mt. Vernon IL
"This an older hotel but clean and it has some updates. When I first opened my door to the room, I was greeted with an overwhelming smell of bleach and cleaning products. One I turned the fan on, the room cleared. I’m happy to live with the smell considering the room was very clean! The bathroom has ..."
Reviewed on Nov 6, 2026
Super 8 by Wyndham Carbondale
"It was just fine"
Reviewed on Nov 6, 2026
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
Spark by Hilton Troy
"Good place to rest. They are renovating so elevator is out of service for the rest of the year. Otherwise good place for a night"
Reviewed on Oct 27, 2026
Best Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy flights
Need a Car For After Your Flight?
Mini Van
$71
Economy
$81
Midsize
$81
Compact
$81
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!