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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, United |
Number of airlines serving | 5 |
Roundtrip price | $549 |
Popular airline | Alaska Airlines |
Last Minute Hotel Deals in Southwest Illinois
Drury Plaza Hotel Mt. Vernon
One of the best hotels I've ever stayed on 'on the road' Staff was excellent. Evening snacks at 5PM, Morning breakfast was superb! Will stay here every time I pass through Mt Vernon IL.
Reviewed on Nov 22, 2025
Super 8 by Wyndham O'Fallon
Breakfast was horrible. Staff not very friendly. But my room was clean and wasnt bothered by anyone so it all evens out in the end
Reviewed on Nov 19, 2025
Quality Inn & Suites near St. Louis and I-255
Great place to stop for the night on a trip. The bed was comfortable. I didn't use the Internet much, but it seemed to work. Breakfast had cereal, eggs & sausage, waffles, yogurt, toast, and juice. Not a fancy place, but very good for my needs.
Reviewed on Nov 20, 2025
Drury Inn & Suites St. Louis O'Fallon, IL
Great front desk service
Reviewed on Nov 25, 2025
Drury Inn & Suites St. Louis Fairview Heights
Every clean everyone was so nice and polite will definitely stay again
Reviewed on Nov 23, 2025
Comfort Suites Mount Vernon
Clean room, good breakfast, easy check-in. Well-lit parking lot.
Reviewed on Nov 19, 2025
Best Western Plus Pontoon Beach
The STAFF! We loved the staff and all of our interactions with them! They’re the most friendly humans :) the coffee machine in the lobby is also super fancy and I had the BEST hotel coffee I’ve ever had (and that’s a huge compliment because I’m super picky with my coffee). We felt super safe and ...
Reviewed on Nov 21, 2025
La Quinta Inn & Suites by Wyndham Collinsville - St. Louis
Clean room, friendly staff and the breakfast was pretty good
Reviewed on Nov 20, 2025
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