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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 , 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 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 Williamson County Regional 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 , 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 right now, why wait?
Destination airport | Lambert-St. Louis Intl. |
Destination airport IATA code | STL |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United |
Number of airlines serving | 5 |
Roundtrip price | $338 |
Popular airline | Alaska Airlines |
Last Minute Hotel Deals in Southern Illinois
Drury Plaza Hotel Mt. Vernon
Reviewed on Sep 29, 2025
Super 8 by Wyndham O'Fallon
Reviewed on Sep 28, 2025
Drury Inn & Suites St. Louis Fairview Heights
Reviewed on Sep 29, 2025
Best Western Plus Pontoon Beach
Reviewed on Sep 29, 2025
Country Inn & Suites by Radisson, Fairview Heights, IL
Reviewed on Sep 29, 2025
Red Lion Inn & Suites Pontoon Beach
Reviewed on Sep 29, 2025
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
Reviewed on Sep 25, 2025
Best Western Delta Inn
Reviewed on Sep 29, 2025
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