Cheap Flights to Southwest Illinois from $34
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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 $78 and $34 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 | June 17 to June 23 | $78 |
| AUS | St. Louis | April 20 to April 26 | $140 |
| LGA | St. Louis | April 21 to April 24 | $155 |
| FLL | St. Louis | May 8 to May 10 | $170 |
| STL | West Paducah | April 23 to April 25 | $284 |
| JFK | St. Louis | June 25 to June 26 | $310 |
| LGA | Marion | April 16 to April 23 | $405 |
| DEN | West Paducah | June 23 to June 30 | $428 |
| FLG | St. Louis | June 16 to June 23 | $474 |
| PGV | St. Louis | May 1 to May 4 | $498 |
| JFK | Marion | April 16 to April 23 | $506 |
| FLL | West Paducah | May 4 to May 8 | $640 |
| DEN | Scott City | May 1 to May 8 | $785 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $78 |
Number of Airlines Serving | |
Airlines Serving | Frontier Airlines, Contour 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
Super 8 by Wyndham Marion
It was fine for a nights stay
Reviewed on Apr 5, 2026
Americas Best Value Inn West Frankfort
Clean room
Reviewed on Apr 2, 2026
Super 8 by Wyndham Belleville St. Louis Area
Nice clean room.Staff were pleasant.Walking distance of the Main Street in Belleville.Overall a good value hotel for the cost.
Reviewed on Apr 3, 2026
Luxury Hotels in Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
Everything was better than expected. A great stay for the price.
Reviewed on Mar 31, 2026
Super 8 by Wyndham Mt. Vernon IL
Smell in the hallway is overwhelming, no tv as it didn’t work, staff offered help to switch rooms but we already used the bathroom so it didn’t seem necessary
Reviewed on Apr 3, 2026
Super 8 by Wyndham Carbondale
It was a clean room with good fixtures in the bathroom. The toilet was a little slow when flushed. The Mexican restaurant in walking distance of the motel was a welcome sight. A good night's stay.
Reviewed on Apr 4, 2026
Super 8 by Wyndham O'Fallon
The staff was ok but the hotel needs to be cleaner
Reviewed on Apr 5, 2026
Family Friendly Hotels in Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
Everything was great for my stay.
Reviewed on Apr 1, 2026
Drury Plaza Hotel Mt. Vernon
Checkin cas fast and room was clean
Reviewed on Apr 5, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
Parking was fine, but this hotel was so poorly updated. It's such a trash job of "updates" All of the door stoppers are hanging off the wall, the shower activator had to be pryed to stay open, the toilet didn't flush for a whole day and I was told I had to fix it whenever it messed up, the TV didn't ...
Reviewed on Apr 1, 2026
Best Western Troy Hotel
Just the basics. Everything is there, just not the best shape or quality
Reviewed on Apr 5, 2026
Best Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy 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!