Cheap Flights to Southwest Illinois from $39
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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 $76 and $39 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* |
|---|---|---|---|
| DEN | St. Louis | August 11 to August 15 | $121 |
| AUS | St. Louis | August 6 to August 11 | $214 |
| LGA | St. Louis | October 1 to October 7 | $234 |
| AUS | West Paducah | September 4 to September 6 | $298 |
| JFK | St. Louis | August 18 to August 19 | $302 |
| JFK | Scott City | July 11 to July 15 | $436 |
| EWN | St. Louis | September 2 to September 7 | $448 |
| JFK | Marion | July 9 to July 10 | $461 |
| LGA | Marion | July 9 to July 10 | $461 |
| FLL | Marion | July 11 to July 15 | $569 |
| STL | Marion | July 18 to July 20 | $571 |
| AUS | Marion | July 7 to July 8 | $596 |
| FLL | Scott City | August 8 to August 10 | $634 |
| FLL | West Paducah | July 12 to July 16 | $719 |
| DEN | Scott City | July 30 to August 2 | $1,224 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $76 |
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
"Pet food and hair on floor everywhere, dirty carpets, not even coffee offered in room, I kept my luggage closed and Secure not wanting bedbugs, the patrons were less than civilized ..my children and i passed what i can only describe as a "lady of the night, strung out on something) going back to ..."
Reviewed on Jun 30, 2026
Super 8 by Wyndham Marion
"Good location."
Reviewed on Jun 26, 2026
Americas Best Value Inn West Frankfort
"Outstanding property, beds were very comfortable, rooms were clean and the breakfast buffet was great. Staff was very helpful"
Reviewed on Jun 16, 2026
Super 8 by Wyndham Belleville St. Louis Area
"This is a very clean property and well taken care of. The exterior grounds were beautiful. The room was very comfortable."
Reviewed on Jun 27, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
"Each time i visit the pool is a little different. Lights off/cool water Lights on/warm water Some staff are super helpful. Quiet, small, convenient. Clean and safe"
Reviewed on Jun 30, 2026
Super 8 by Wyndham Mt. Vernon IL
"Clean room. Friendly staff. Easy parking. No elevator."
Reviewed on Jun 27, 2026
Super 8 by Wyndham Carbondale
"It was affordable and comfortable. Kenny was very helpful."
Reviewed on Jun 27, 2026
Super 8 by Wyndham O'Fallon
"Please don’t stay at this location. It looked as if the hallways had not been vacuumed in years, the back and side doors were propped open at the end of the hallways with rocks and it felt very unsafe. The ice machine had black flecks coming out of it with the ice, and when we asked for a towel to ..."
Reviewed on Jun 30, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"We stayed there before, very nice and clean. The breakfast was a little skimpy. No bagels fruit or pastries. Just eggs sausage biscuits graveyard and cereal. But otherwise very nice place"
Reviewed on Jun 30, 2026
Drury Plaza Hotel Mt. Vernon
"Everything was great! Friendly staff, great food, clean rooms. 10/10 would stay again, and will!"
Reviewed on Jun 29, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
"Towels were very nice. Bed was excellent."
Reviewed on Jun 28, 2026
Best Western Troy Hotel
"the hotel was under renovation for the new owners, but we were still satisfied."
Reviewed on Jun 30, 2026
Best Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy flights
Need a Car For After Your Flight?
Economy
$58
Compact
$60
Midsize
$62
Standard
$63
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!