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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 |
Roundtrip price | $230 |
Last Minute Hotel Deals in Southwest Illinois
Drury Plaza Hotel Mt. Vernon
Room was great. Free food at evening was great.
Reviewed on Jan 3, 2026
Super 8 by Wyndham O'Fallon
All good
Reviewed on Jan 3, 2026
Drury Inn & Suites St. Louis Fairview Heights
Clean room and friendly staff
Reviewed on Jan 6, 2026
La Quinta Inn & Suites by Wyndham Collinsville - St. Louis
staff courtious
Reviewed on Jan 5, 2026
Comfort Suites Mount Vernon
The breakfast was plentiful, efficient, and tidy. Delicious options with s very nice staff.
Reviewed on Jan 3, 2026
Drury Inn & Suites Marion
Staff was great, rooms where clean and breakfast was good
Reviewed on Dec 31, 2025
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
Staff was Amazing upon check-in. So grateful they allowed cash deposit, especially after my card was stolen. I stopped by another hotel I've stayed at previously and was not willing to work with me. They were very adamant about having a card on file for deposit 🙄. I would most definitely stay at ...
Reviewed on Jan 4, 2026
Drury Inn & Suites St. Louis O'Fallon, IL
Everything was great. Only note I would add is an extra blanket in the room would have been nice.
Reviewed on Jan 6, 2026
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