Cheap Flights to Southwest Illinois from $29
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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 $66 and $29 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 | July 8 to July 15 | $131 |
| AUS | St. Louis | August 6 to August 11 | $198 |
| LGA | St. Louis | August 18 to August 19 | $227 |
| FLL | St. Louis | August 15 to August 18 | $241 |
| JFK | St. Louis | August 18 to August 19 | $247 |
| LGA | West Paducah | July 10 to August 7 | $311 |
| JFK | Marion | July 9 to July 10 | $406 |
| LGA | Marion | July 9 to July 10 | $416 |
| FLG | St. Louis | June 30 to July 4 | $519 |
| AUS | Marion | August 16 to August 21 | $520 |
| STL | Marion | July 14 to July 19 | $593 |
| JFK | Scott City | July 15 to July 21 | $608 |
| STL | Scott City | June 18 to June 19 | $758 |
| FLL | Marion | June 26 to June 28 | $814 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $66 |
Number of Airlines Serving | |
Airlines Serving | Frontier Airlines, Southwest Airlines, American 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
"first 2 nights our smoke detector chirped all night and i reported it asap that first morning, i was told it would be looked at, we came back to the hotel and didnt notice anything, but was woken up several times so finally around 4am i went to the desk and told them and was told he would report ..."
Reviewed on Jun 9, 2026
Super 8 by Wyndham Marion
"Bed was comfortable, sheets were clean and cozy. There was some mold/mildew under the edge of the sink and in the shower. The shower had a tub, but it didn’t plug, so the shower was the only option. Staff was very friendly. Breakfast was decent - biscuits and gravy, waffles, toast, etc. Biggest complaint ..."
Reviewed on Jun 11, 2026
Americas Best Value Inn West Frankfort
"No bugs that I seen… floor was still wet when we got into our room which was nice cuz we knew it was clean… but did have some pulling paint and door frame didn’t cover the gaps from the wall"
Reviewed on Jun 8, 2026
Super 8 by Wyndham Belleville St. Louis Area
"Great for a short stay, clean rooms, small breakfast and easy parking."
Reviewed on Jun 5, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
"Good customer service well put together hotel"
Reviewed on Jun 9, 2026
Super 8 by Wyndham Mt. Vernon IL
"Clean, quiet and close to amenities. Value for money. Excellent."
Reviewed on Jun 1, 2026
Super 8 by Wyndham Carbondale
"Friendly staff"
Reviewed on Jun 10, 2026
Super 8 by Wyndham O'Fallon
"they have roaches in every room, i was switch 5 times to different rooms even different floors. they have bed bugs my daughters were bit up all over even on their faces, i complained to the staff with no help they can hardly understand you, housekeeping is extremely rude even when they’re at fault, ..."
Reviewed on Jun 10, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
"General cleanliness"
Reviewed on Jun 2, 2026
Drury Plaza Hotel Mt. Vernon
"Staff was very pleasant, our room was very nice and entire hotel was clean, shiny and classy!"
Reviewed on Jun 11, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
"Room was clean, shower had mold in the bathtub, microwave front door was unattached and the air conditioner was set for too cold."
Reviewed on Jun 8, 2026
Best Western Troy Hotel
"Only issue is the hotel was in the midst of renovation. Other than that I had a great stay. Clean room."
Reviewed on Jun 11, 2026
Best Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy flights
Southwest Illinois flight + hotel packages - first class 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!