Search Cheap Flights toSouthern Illinois
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Southern Illinois Flights as Low as $185
Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Cheap Flights to Southern Illinois
Fall in love at first flight with your vacation to Southern Illinois by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Southern Illinois on Hotwire, and you’ll be up, up, and on a getaway in no time.
Because once the wheels are down in Southern Illinois, the good times start rolling. So buckle up, you’re in for a fun ride.
Frequently Asked Questions About flights to Southern Illinois
Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Southern Illinois with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.
So all you have to worry about is where you’re headed after the STL airport.
What is the cheapest month to fly to Southern Illinois?
Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Southern Illinois are in May, but when you book your flight on Hotwire, savings are always in season.
How many airlines fly to Southern Illinois?
Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Southern Illinois.
What airport is best to fly into Southern Illinois?
When you’re planning your trip to Southern Illinois, convenience is the name of the game. Luckily, Southern Illinois Veterans Airport of Southern Illinois Airport is nearby so you can deplane and get going on checking off everything on your Southern Illinois must-do list.
How much are flights to Southern Illinois?
Got very cheap flights on your vacation itinerary? When you book your airline tickets to Southern Illinois on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $185, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.
How to get cheap flights to Southern Illinois?
The trick to saving a stack of cash on your flight to Southern Illinois? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $185 right now, why wait?
Destination airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport IATA code | STL |
Roundtrip price | $184 |
Last Minute Hotel Deals in Southern Illinois
Drury Inn & Suites St. Louis Fairview Heights
Great hotel everything was perfect
Reviewed on Apr 25, 2026
Super 8 by Wyndham O'Fallon
Dirty, roaches, no elevator, bad smell
Reviewed on Apr 27, 2026
Drury Inn & Suites St. Louis O'Fallon, IL
Everything was excellent! The staff was awesome! It was all and more that we needed.
Reviewed on Apr 28, 2026
Drury Plaza Hotel Mt. Vernon
W
Reviewed on Apr 25, 2026
Super 8 by Wyndham Troy IL/St. Louis Area
A clean room and clean lobby area, convenient location and a decent continental breakfast
Reviewed on Apr 28, 2026
Baymont by Wyndham Effingham
Very clean. Beds were very comfortable. However, it was loud and we woke up several times to others in the building banging, slamming doors. I also received an attitude of annoyance when I checked in. I wanted to use Apple Pay as my family and I were traveling and I don’t carry all cards on me while ...
Reviewed on Apr 27, 2026
Comfort Suites Mount Vernon
Excellent breakfast!
Reviewed on Apr 24, 2026
Quality Inn & Suites Metropolis I-24
Pool was closed for maintenance. Breakfast was great. Lots of choices. Room was decent. Looked to be needing a little vacuuming. Room had a smell. Not a bad smell but can't pinpoint what exactly it was. Bought some air freshener sprayed it around several times a day. Staff was polite and helpful. ...
Reviewed on Apr 26, 2026
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