Cheap Flights to Southern Illinois from $34

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How Much Does it Cost To Fly To Southern Illinois?

The cheapest prices found with in the last 7 days for return flights were $64 and $34 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Tue, Nov 11 - Wed, Nov 12
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$64 Roundtrip, found 8 hours ago
$64
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Tue, Nov 11 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Nov 12, priced at $64 found 8 hours ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisNovember 1 to November 5$65
FLLSt. LouisOctober 30 to November 2$98
AUSSt. LouisJanuary 21 to January 25$178
AUSEvansvilleNovember 19 to December 6$317
FLLEvansvilleNovember 25 to December 2$342
LGAEvansvilleNovember 11 to November 18$344
FLGSt. LouisJanuary 6 to January 13$356
JFKEvansvilleNovember 8 to November 12$367
JFKWest PaducahNovember 19 to November 23$372
DENEvansvilleOctober 25 to October 31$416
AUSDecaturDecember 5 to December 7$431
LGAWest PaducahNovember 23 to November 28$476
PGVSt. LouisOctober 24 to October 25$553
LGAMarionNovember 24 to November 30$670
AUSWest PaducahDecember 27 to December 31$680
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
JFKSt. LouisOctober 25 to October 27$120
DENSt. LouisOctober 24 to October 28$135
FLLSt. LouisOctober 25 to January 29$139
AUSSt. LouisOctober 25 to October 30$226
LGASt. LouisOctober 26 to October 27$236
DENEvansvilleOctober 25 to October 31$416
PGVSt. LouisOctober 24 to October 25$553
AUSWest PaducahOctober 26 to October 29$1,043
*Prices include taxes and fees

Southern Illinois STL Flight Information

Traveling to
Southern Illinois STL
Lowest Price
$64
Number of Airlines Serving
1
Airlines Serving
Frontier Airlines
Number of Daily Flights
2
Airlines with Direct Flights
Southwest Airlines

Find The Perfect Hotel For After Your Flight

Amazing Southern Illinois Accommodation Deals

Motel 6 Caseyville, IL - Caseyville Il

Motel 6 Caseyville, IL - Caseyville Il

2 out of 5
2431 Old Country Inn Dr, Caseyville, IL
$62 nightly
The price is $70 total per night from Oct 19 to Oct 20
$70 total
Oct 19 - Oct 20
Total with taxes and fees
Stay at this motel in Caseyville. Enjoy free parking, an outdoor pool, and a 24-hour front desk. Our guests praise the property condition in our reviews. Popular ...
6.2/10 (1,004 reviews)
"The room was great! Definitely dog friendly. The mattress is Definitely firm. Seems fairly new. If I had to state a complaint the bed is a little hard for my taste. But you can not please everyone!! I was impressed at 3 in morning the staff was sweeping and mopping the reception area!!!"

Reviewed on Oct 9, 2025

Opens in a new windowMotel 6 Caseyville, IL - Caseyville Il
Days Inn by Wyndham Charleston

Days Inn by Wyndham Charleston

2 out of 5
810 West Lincoln Avenue, Charleston, IL
$74 nightly
The price is $82 total per night from Oct 19 to Oct 20
$82 total
Oct 19 - Oct 20
Total with taxes and fees
Stay at this hotel in Charleston. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff in our reviews. Popular attractions ...
7.6/10 Good! (756 reviews)
"Staff were very helpful and personable. Clean comfortable room. I have stayed here several times and will conrinue to do so. Thanks"

Reviewed on Sep 24, 2025

Opens in a new windowDays Inn by Wyndham Charleston
Super 8 by Wyndham Marion

Super 8 by Wyndham Marion

2 out of 5
2601 Vernell Rd, Marion, IL
$67 nightly
The price is $80 total per night from Oct 19 to Oct 20
$80 total
Oct 19 - Oct 20
Total with taxes and fees
Book a stay at this business-friendly motel in Marion. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
7.6/10 Good! (1,004 reviews)
"Rooms were clean and good size. Very good value. Staff was very courteous. There is a small set of stairs leading down to the rooms (and back up to the breakfast area) and they made sure to ask if my mom (who is elderly) could get up the stairs. And they also included the same courtesy when selecting ..."

Reviewed on Oct 12, 2025

Opens in a new windowSuper 8 by Wyndham Marion
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Americas Best Value Inn West Frankfort

Americas Best Value Inn West Frankfort

2.5 out of 5
1001 Factory Outlet Blvd, West Frankfort, IL
$80 nightly
The price is $89 total per night from Oct 18 to Oct 19
$89 total
Oct 18 - Oct 19
Total with taxes and fees
Stay at this motel in West Frankfort. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.6/10 Good! (464 reviews)
"Staff was available when I needed them. Breakfast was limited but doable. The only comment is that thebath towels could have been a better quality. However there were enough towels to dry satisfactorily after my showers."

Reviewed on Sep 29, 2025

Opens in a new windowAmericas Best Value Inn West Frankfort
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.

Luxury Hotels in Southern Illinois

Super 8 by Wyndham Troy IL/St. Louis Area

Super 8 by Wyndham Troy IL/St. Louis Area

2 out of 5
910 Edwardsville Rd, Troy, IL
$68 nightly
The price is $75 total per night from Oct 23 to Oct 24
$75 total
Oct 23 - Oct 24
Total with taxes and fees
Book a stay at this business-friendly hotel in Troy. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
7.8/10 Good! (1,000 reviews)
"Room was comfortable and staff was nice. Lots of quick food options nearby and close to the interstate which was nice."

Reviewed on Oct 8, 2025

Opens in a new windowSuper 8 by Wyndham Troy IL/St. Louis Area
Rodeway Inn Effingham North

Rodeway Inn Effingham North

2 out of 5
1400 Thelma Keller Ave, Effingham, IL
$59 nightly
The price is $65 total per night from Oct 19 to Oct 20
$65 total
Oct 19 - Oct 20
Total with taxes and fees
Stay at this motel in Effingham. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.6/10 Good! (1,003 reviews)
"Clean, easy video check in. No staff on location."

Reviewed on Oct 10, 2025

Opens in a new windowRodeway Inn Effingham North
Suite Dreams Hotel

Suite Dreams Hotel

2.5 out of 5
300 Broadway Avenue East, Mattoon, IL
$94 nightly
The price is $105 total per night from Oct 18 to Oct 19
$105 total
Oct 18 - Oct 19
Total with taxes and fees
Book a stay at this business-friendly hotel in Mattoon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.2/10 Good! (525 reviews)
"Parking was good. Staff was nice. Needed to have another staff member at night as the girl was getting swamped when I arrived! The mattress sucked to sleep in. It was springy you couldn't get comfortable. Clean room! We only came in to sleep and left."

Reviewed on Oct 16, 2025

Opens in a new windowSuite Dreams Hotel
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Harrah's Metropolis Hotel & Casino

Harrah's Metropolis Hotel & Casino

3.5 out of 5
100 E Front St, Metropolis, IL
$113 nightly
The price is $125 total per night from Nov 16 to Nov 17
$125 total
Nov 16 - Nov 17
Total with taxes and fees
Stay at this 3.5-star hotel in Metropolis. Enjoy free parking, 2 restaurants, and a casino. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.2/10 Very Good! (1,008 reviews)
"served our purpose"

Reviewed on Oct 10, 2025

Opens in a new windowHarrah's Metropolis Hotel & Casino
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.

Family Friendly Hotels in Southern Illinois

Country Inn & Suites by Radisson, Marion, IL

Country Inn & Suites by Radisson, Marion, IL

2.5 out of 5
1306 Halfway Road, Marion, IL
$99 nightly
The price is $118 total per night from Nov 2 to Nov 3
$118 total
Nov 2 - Nov 3
Total with taxes and fees
Book a stay at this business-friendly hotel in Marion. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.4/10 Very Good! (1,002 reviews)
"The parking was a bit tight late at night, other than that, everything was great."

Reviewed on Sep 29, 2025

Opens in a new windowCountry Inn & Suites by Radisson, Marion, IL
Drury Plaza Hotel Mt. Vernon

Drury Plaza Hotel Mt. Vernon

3 out of 5
145 North 44th Street , Mount Vernon, IL
$94 nightly
The price is $106 total per night from Oct 26 to Oct 27
$106 total
Oct 26 - Oct 27
Total with taxes and fees
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! (1,493 reviews)
"Clean room. Very nice staff. Always enjoy the meals"

Reviewed on Oct 16, 2025

Opens in a new windowDrury Plaza Hotel Mt. Vernon
Comfort Inn & Suites O'Fallon - St. Louis Area

Comfort Inn & Suites O'Fallon - St. Louis Area

2 out of 5
116 Regency Park, O'Fallon, IL
$67 nightly
The price is $77 total per night from Oct 26 to Oct 27
$77 total
Oct 26 - Oct 27
Total with taxes and fees
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 in our reviews. ...
6.6/10 (70 reviews)
"I have stayed there in the past because it is affordable. No surprises. I will return next year."

Reviewed on Oct 3, 2025

Opens in a new windowComfort Inn & Suites O'Fallon - St. Louis Area
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Holiday Inn Express & Suites Effingham by IHG

Holiday Inn Express & Suites Effingham by IHG

2.5 out of 5
1604 West Fayette Avenue, Effingham, IL
$103 nightly
The price is $116 total per night from Oct 19 to Oct 20
$116 total
Oct 19 - Oct 20
Total with taxes and fees
Book a stay at this business-friendly hotel in Effingham. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,001 reviews)
"All good"

Reviewed on Oct 15, 2025

Opens in a new windowHoliday Inn Express & Suites Effingham by IHG
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.

Best Southern Illinois Flight and Hotel Packages

Southern Illinois flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

4 out of 5
Price was $443, price is now $365 per person
$365
per person
Nov 21 - Nov 23
found 1 day ago
Roundtrip flight included
Charlotte (CLT) to St. Louis (STL)
The Wildwood Hotel

The Wildwood Hotel

3.5 out of 5
Price was $602, price is now $425 per person
$425
per person
Nov 21 - Nov 23
found 1 day ago
Roundtrip flight included
Charlotte (CLT) to St. Louis (STL)
DoubleTree by Hilton St. Louis Forest Park

DoubleTree by Hilton St. Louis Forest Park

4 out of 5
Price was $451, price is now $371 per person
$371
per person
Nov 21 - Nov 23
found 1 day ago
Roundtrip flight included
Charlotte (CLT) to St. Louis (STL)
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Need a Car For After Your Flight?

Economy

Chevrolet Spark or similar
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus or similar
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla or similar
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass or similar
  • 5 people
Jeep Compass
SUV Jeep Compass

Frequently asked questions

How much is the cheapest flight to Southern Illinois?
A roundtrip flight to Southern Illinois cost as little as $64 in the last seven days. Once you've decided on your travel dates, we'll help you grab a good deal. This price was available on Travelocity for flights to Southern Illinois departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Southern Illinois?
According to Travelocity's direct return flight demand between January and December last year, November is the cheapest period to jet off to Southern Illinois. Look for flights across this month and snag a terrific deal today.
How can I check my flight status to Southern Illinois?
There are a few simple ways to check your fight status. You can find all the necessary details in our "Trips" portal, which is located at the top of our homepage. Log in or create an account — you'll then be able to browse and amend your bookings whenever you need to. If you're already traveling, the Travelocity app can also help you check the status of your flight to Southern Illinois, as well as share details with any members of your family flying with you.
How do I find the best deals on flights to Southern Illinois?
It's good to book ahead of time, and if you can, avoid traveling during peak periods. Another great way to save is by clicking the "Flexible dates" box at the top of the page after searching for your flights. It's an easy way to compare prices for surrounding days. In the last seven days, the best price for a roundtrip flight to Southern Illinois was $64. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Southern Illinois with Travelocity?
An exciting vacation is just a click away when you book your trip with Travelocity. With a wide selection of choices and great deals on cheap family flights, rental cars and more, we make it simple to locate the best prices for you. You can also take advantage of our 24/7 customer support and free cancellations on most hotels during your trip. Wander with us and secure your cheap flights to Southern Illinois today.
How much is a flight to Southern Illinois on average?
Based on prices found over the last seven days, roundtrip flights to Southern Illinois cost between $64 and $1,043. When you're ready to hop on a plane, Travelocity will help you find a fare that won't blow your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What can I expect on a flight to Southern Illinois?
If you have a long-haul flight to Southern Illinois, you can usually expect drinks, meals and entertainment on board. Airlines like to make longer flights as pleasant as possible. Shorter journeys — as well as flights offered by budget airlines — may not have as many inclusions. If you're chasing cheap flights for family vacations with a low-cost carrier, you'll usually have to pay extra for snacks, drinks and entertainment.

Plane Tickets To Southern Illinois

Although you may try and resist the urge, you know that when the travel bug comes, there is only one way to get rid of it. Thankfully, Travelocity is here to help nip that travel bug in the bud with great deals on flights to Southern Illinois. Browse through our inventory to explore a wide range of cheap flights to Southern Illinois to solidify your next big trip out of town. Whether you are heading out on a business trip, exploring a place you have never been for pleasure or are bringing the family on the annual vacation, we have the perfect getaway waiting for you. In no time, you will be day dreaming of your plane landing in Southern Illinois as you anxiously await to exit the plane and explore what Southern Illinois has to offer. Considering all the amazing local food and culture in Southern Illinois, we won't hold this against you.

When you are ready to embark on your next big adventure, Travelocity will be right here waiting to open the doors to the garden so that you can go and smell the roses. When you decide to book and travel is entirely up to you, but don't wait too long because we have some of the best deals on the web and they won't last long. Take time to go through our huge selection of cheap flights to Southern Illinois to find the best deals that fit into your budget. If browsing on your phone while your boss isn't looking is more your thing (we promise we won't tell), consider checking out Travelocity's mobile app which allows you to take advantage of all our flights to Southern Illinois without having to compromise your work computer's search history. If you are looking to save even more, you can easily save up to $537 when you bundle one of our cheap flights to Southern Illinois with one of our hotels. So why are you waiting around? There is no better time than now to start booking that next trip. Start your search now to book one of our flights to Southern Illinois today!

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.