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Southwest Illinois

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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?

Southwest Illinois Flight Information
Destination airport
Southwest Illinois
Destination airport IATA code
STL

Last Minute Hotel Deals in Southwest Illinois

Drury Plaza Hotel Mt. Vernon
Drury Plaza Hotel Mt. Vernon
3 out of 5
145 North 44th Street , Mount Vernon, IL
The price is $117 per night from Apr 6 to Apr 7
$117
includes taxes & fees
Apr 6 - Apr 7
Stay at this 3-star business-friendly hotel in Mount Vernon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.6/10 Exceptional! (1,258 reviews)
"The staff was exceptionally kind. The hotel offered complimentary drinks and very generous dinner buffet. The indoor pool has hot tub with outdoor pool as well. I was so tired when arrived tonight it was a pleasure to find a fabulous hotel"

Reviewed on Mar 18, 2025

Drury Plaza Hotel Mt. Vernon
Super 8 by Wyndham O'Fallon
Super 8 by Wyndham O'Fallon
2 out of 5
1100 Eastgate Dr, O'Fallon, IL
The price is $60 per night from Mar 27 to Mar 28
$60
includes taxes & fees
Mar 27 - Mar 28
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (1,002 reviews)
Great hotel.
"Excellent service. Excellent value."

Reviewed on Mar 15, 2025

Super 8 by Wyndham O'Fallon
Red Lion Inn & Suites Pontoon Beach
Red Lion Inn & Suites Pontoon Beach
2.5 out of 5
1240 E Chain Of Rocks Rd, Granite City, IL
The price is $78 per night from Mar 26 to Mar 27
$78
includes taxes & fees
Mar 26 - Mar 27
Stay at this hotel in Granite City. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions ...
8/10 Very Good! (291 reviews)
"My trip was really comfortable and relaxing. I stayed here solo. Good cable convenient location good breakfast and very comfortable and quiet"

Reviewed on Mar 16, 2025

Red Lion Inn & Suites Pontoon Beach
Drury Inn & Suites St. Louis O'Fallon, IL
Drury Inn & Suites St. Louis O'Fallon, IL
3 out of 5
1118 Central Park Drive, O'Fallon, IL
The price is $125 per night from Mar 30 to Mar 31
$125
includes taxes & fees
Mar 30 - Mar 31
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (1,003 reviews)
"Front desk girl had a wonderful happy personality which went a long way with me"

Reviewed on Mar 19, 2025

Drury Inn & Suites St. Louis O'Fallon, IL
Walker's Bluff Casino Resort
Walker's Bluff Casino Resort
4.5 out of 5
777 Walkers Bluff Way, Carterville, IL
The price is $144 per night from Mar 23 to Mar 24
$144
includes taxes & fees
Mar 23 - Mar 24
Stay at this 4.5-star luxury resort in Carterville. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms ...
9.2/10 Wonderful! (295 reviews)
"Very friendly staff and clean."

Reviewed on Mar 10, 2025

Walker's Bluff Casino Resort
Drury Inn & Suites St. Louis Fairview Heights
Drury Inn & Suites St. Louis Fairview Heights
3 out of 5
12 Ludwig Dr, Fairview Heights, IL
The price is $115 per night from Mar 30 to Mar 31
$115
includes taxes & fees
Mar 30 - Mar 31
Book a stay at this business-friendly hotel in Fairview Heights. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9/10 Wonderful! (1,003 reviews)
"Friendly staff, excellent customer service! I always enjoy the breakfast buffet and the evening "Kick-Back""

Reviewed on Mar 10, 2025

Drury Inn & Suites St. Louis Fairview Heights
Quality Inn & Suites near St. Louis and I-255
Quality Inn & Suites near St. Louis and I-255
2.5 out of 5
1607 Pontiac Dr, East St. Louis, IL
The price is $71 per night from Mar 26 to Mar 27
$71
includes taxes & fees
Mar 26 - Mar 27
Book a stay at this business-friendly hotel in East St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the ...
7.4/10 Good! (1,001 reviews)
"Very polite staff!"

Reviewed on Mar 17, 2025

Quality Inn & Suites near St. Louis and I-255
Baymont by Wyndham Marion
Baymont by Wyndham Marion
2.5 out of 5
2608 W Main St, Marion, IL
The price is $99 per night from Apr 6 to Apr 7
$99
includes taxes & fees
Apr 6 - Apr 7
Book a stay at this business-friendly hotel in Marion. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
8.2/10 Very Good! (1,000 reviews)
"Super friendly staff!!"

Reviewed on Mar 16, 2025

Baymont by Wyndham Marion
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.