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Cheap Flights to Southwest Illinois
Fall in love at first flight with your vacation to Southwest 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 Southwest Illinois on Hotwire, and you’ll be up, up, and on a getaway in no time.
Because once the wheels are down in Southwest Illinois, the good times start rolling. So buckle up, you’re in for a fun ride.
Frequently Asked Questions About flights to Southwest Illinois
Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Southwest 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 Southwest 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 Southwest Illinois are in , but when you book your flight on Hotwire, savings are always in season.
How many airlines fly to Southwest 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 Southwest Illinois.
What airport is best to fly into Southwest Illinois?
When you’re planning your trip to Southwest Illinois, convenience is the name of the game. Luckily, Southwest Illinois Williamson County Regional Airport is nearby so you can deplane and get going on checking off everything on your Southwest Illinois must-do list.
How much are flights to Southwest Illinois?
Got very cheap flights on your vacation itinerary? When you book your airline tickets to Southwest 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 Southwest Illinois?
The trick to saving a stack of cash on your flight to Southwest 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, Frontier Airlines, Hawaiian Airlines, United |
Number of airlines serving | 6 |
Roundtrip price | $451 |
Popular airline | Alaska Airlines |
Last Minute Hotel Deals in Southwest Illinois
Drury Plaza Hotel Mt. Vernon
Nice place…
Reviewed on Nov 10, 2025
Super 8 by Wyndham O'Fallon
The room was very comfortable with a good layout. The mattress was comfortable. The climate control was easy to operate and efficient. Every staff member we met was friendly.
Reviewed on Nov 9, 2025
Quality Inn & Suites near St. Louis and I-255
Great
Reviewed on Nov 12, 2025
Best Western Plus Pontoon Beach
Everything was nice
Reviewed on Nov 10, 2025
Drury Inn & Suites St. Louis O'Fallon, IL
Super friendly service, great early breakfast and comfortable/clean rooms!
Reviewed on Nov 12, 2025
Red Lion Inn & Suites Pontoon Beach
Clean room
Reviewed on Nov 13, 2025
Drury Inn & Suites St. Louis Fairview Heights
Room was clean. Staff was great
Reviewed on Nov 9, 2025
La Quinta Inn & Suites by Wyndham Collinsville - St. Louis
I paid the pet fee , there was no dog bags or empty waste basket for dog waste . Staff was friendly
Reviewed on Nov 13, 2025
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