
Cheap Flights to Southern Illinois from $29
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How Much Does it Cost To Fly To Southern Illinois?
The cheapest prices found with in the last 7 days for return flights were $58 and $29 for one-way flights to Southern 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 11 to February 14 | $59 |
| FLL | St. Louis | March 16 to March 16 | $104 |
| LGA | St. Louis | January 31 to February 2 | $137 |
| AUS | St. Louis | February 18 to February 21 | $139 |
| JFK | St. Louis | February 4 to February 7 | $141 |
| AUS | Evansville | February 17 to February 25 | $322 |
| JFK | Evansville | March 24 to April 8 | $339 |
| DEN | Evansville | February 10 to February 21 | $389 |
| FLL | Evansville | March 11 to March 24 | $406 |
| DEN | Scott City | March 27 to March 30 | $420 |
| EWN | St. Louis | February 20 to February 23 | $448 |
| PGV | St. Louis | February 27 to February 28 | $450 |
| FLL | Scott City | April 2 to April 5 | $464 |
| STL | Marion | March 15 to March 17 | $543 |
| DEN | Decatur | February 16 to February 18 | $717 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DEN | St. Louis | January 17 to January 24 | $133 |
| LGA | St. Louis | January 18 to January 21 | $357 |
| JFK | St. Louis | January 17 to January 20 | $357 |
| LGA | Evansville | January 17 to January 20 | $435 |
| AUS | St. Louis | January 16 to January 19 | $664 |
| FLL | St. Louis | January 17 to January 26 | $1,139 |
Southern Illinois Flight Information
Traveling to | Southern Illinois |
|---|---|
Lowest Price | $58 |
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 Southern Illinois Accommodation Deals

Motel 6 Caseyville, IL - Caseyville Il
Exceptionally clean laundry room
Reviewed on Dec 26, 2025

Days Inn by Wyndham Charleston
First time at this Hotel. Check in was great, the room was nice and clean. The bed was a little bit noisy.
Reviewed on Dec 20, 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
Luxury Hotels in Southern Illinois

Super 8 by Wyndham Troy IL/St. Louis Area
Yes. I'm very happy. And would be happy if i stayed even longer. Kinda wish i could. Comfy.
Reviewed on Jan 8, 2026

Rodeway Inn Effingham North
The only complaint I have is that I reserved an "accessible" room with a queen bed. When I arrived, all the rooms were either upstairs or downstairs, there was no actual ground floor, and thus no room was fully ADA accessible. Luckily, I can navigate stairs with my disability, it's just painful. ...
Reviewed on Oct 21, 2025

Suite Dreams Motel By Capital O Mattoon I - 57
We were up and, on the road, before breakfast started.
Reviewed on Jan 8, 2026

Harrah's Metropolis Hotel & Casino - A Caesars Rewards Destination
Very nice welcome to the hotel
Reviewed on Dec 29, 2025
Family Friendly Hotels in Southern Illinois

Country Inn & Suites by Radisson, Marion, IL
Staff was friendly
Reviewed on Jan 5, 2026

Drury Plaza Hotel Mt. Vernon
Enjoyed my stay. Always good.
Reviewed on Jan 9, 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

Holiday Inn Express & Suites Effingham by IHG
Everything was great the gentleman that checked us in was awesome and the rooms are clean and a great size
Reviewed on Jan 7, 2026
Best Southern Illinois Flight and Hotel Packages
Southern Illinois flight + hotel packages - economy flights



Need a Car For After Your Flight?
Economy

Compact

Midsize

SUV

Frequently asked questions
Plane Tickets To Southern 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 Southern Illinois. Browse through our inventory to explore a wide range of cheap flights to Southern 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 Southern Illinois as you anxiously await to exit the plane and explore what Southern Illinois has to offer. Considering all the amazing local food and culture in Southern 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 Southern 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 Southern 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 Southern 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 Southern Illinois today!
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