Cheap Flights to Southern Illinois from $44

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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 $57 and $44 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Thu, Nov 19 - Wed, Nov 25
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$57 Roundtrip, found 2 days ago
$57
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Nov 25, priced at $57 found 2 days ago
Thu, Mar 11 - Sun, Mar 14
JAX
Jacksonville Intl.
BLV
MidAmerica-St. Louis
$123 Roundtrip, found 3 days ago
$123
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Thu, Mar 11 from Jacksonville Intl. to MidAmerica-St. Louis, returning Sun, Mar 14, priced at $123 found 3 days ago
OriginDestinationTravel DatesFlights From*
PGDMascoutahJanuary 16 to January 23$104
CLESt. LouisNovember 26 to December 18$117
DFWSt. LouisNovember 19 to November 26$138
CLTSt. LouisNovember 21 to November 25$188
DFWScott CityNovember 13 to November 16$258
ORFSt. LouisNovember 25 to December 2$289
RSWSt. LouisDecember 1 to December 7$291
DFWWest PaducahNovember 24 to November 27$350
PVDSt. LouisDecember 18 to December 21$355
RSWDecaturDecember 3 to December 6$371
AUSDecaturNovember 12 to November 18$378
RSWEvansvilleJanuary 20 to January 27$381
DFWEvansvilleNovember 18 to November 23$543
PVDEvansvilleJanuary 11 to January 14$705
CLEScott CityNovember 12 to November 13$767
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DFWSt. LouisNovember 8 to November 15$334
DCASt. LouisNovember 8 to November 11$368
CLTSt. LouisNovember 8 to November 9$459
DFWScott CityNovember 6 to November 8$470
ORFSt. LouisNovember 8 to November 10$541
PVDSt. LouisNovember 6 to November 7$820
RSWSt. LouisNovember 8 to November 9$822
AUSSt. LouisNovember 6 to November 8$1,001
CLESt. LouisNovember 6 to November 10$1,057
BNASt. LouisNovember 6 to November 9$1,163
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$57
Number of Airlines Serving
Airlines Serving
Frontier Airlines, Allegiant Air
Number of Daily Flights
Airlines with Direct Flights

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
$59 nightly
The price is $67 total per night from Nov 5 to Nov 6
$67 total
Nov 5 - Nov 6
Total with taxes and fees
Stay at this motel in Caseyville. Enjoy free parking, an outdoor pool, and a 24-hour front desk. Popular attractions Pleasant Ridge Park and Cahokia Mounds State ...
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
$82 nightly
The price is $91 total per night from Nov 29 to Nov 30
$91 total
Nov 29 - Nov 30
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 ...
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
$74 nightly
The price is $89 total per night from Nov 6 to Nov 7
$89 total
Nov 6 - Nov 7
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! (1,002 reviews)
"Have stayed the before and this was a return trip. It was cleaner than alot of places. And for me to do a return says alot. Only thing I didn't like was there are steps up or down to floors from front office. No handicapped rooms available. She said they only had one and it was rented. I"

Reviewed on Oct 30, 2026

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 Nov 2 to Nov 3
$89 total
Nov 2 - Nov 3
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! (541 reviews)
"Infested with rodents."

Reviewed on Oct 28, 2026

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 Nov 7 to Nov 8
$75 total
Nov 7 - Nov 8
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 ...
8.2/10 Very Good! (1,005 reviews)
"We found the room to be comfortable, the bathroom only had one outlet that was very inconvenient to use. We had to ask for a coffee maker, but never received more coffee after the first day. Breakfast was ordinary continental style."

Reviewed on Oct 29, 2026

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
$69 nightly
The price is $77 total per night from Nov 2 to Nov 3
$77 total
Nov 2 - Nov 3
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. ...
Opens in a new windowRodeway Inn Effingham North
Harrah's Metropolis Hotel & Casino - A Caesars Rewards Destination

Harrah's Metropolis Hotel & Casino - A Caesars Rewards Destination

3.5 out of 5
100 E Front St Metropolis IL
$117 nightly
The price is $130 total per night from Nov 30 to Dec 1
$130 total
Nov 30 - Dec 1
Total with taxes and fees
Stay at this hotel in Metropolis. Enjoy free parking, 2 restaurants, and a casino. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
Opens in a new windowHarrah's Metropolis Hotel & Casino - A Caesars Rewards Destination
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Super 8 by Wyndham Mt. Vernon IL

Super 8 by Wyndham Mt. Vernon IL

2.5 out of 5
401 S 44th St Mount Vernon IL
$73 nightly
The price is $83 total per night from Nov 8 to Nov 9
$83 total
Nov 8 - Nov 9
Total with taxes and fees
Book a stay at this business-friendly hotel in Mount Vernon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
Opens in a new windowSuper 8 by Wyndham Mt. Vernon IL
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
$101 nightly
The price is $121 total per night from Nov 22 to Nov 23
$121 total
Nov 22 - Nov 23
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 ...
Opens in a new windowCountry Inn & Suites by Radisson, Marion, IL
Drury Plaza Hotel Mt. Vernon

Drury Plaza Hotel Mt. Vernon

3.5 out of 5
145 North 44th Street  Mount Vernon IL
$110 nightly
The price is $124 total per night from Nov 8 to Nov 9
$124 total
Nov 8 - Nov 9
Total with taxes and fees
Book a stay at this business-friendly hotel in Mount Vernon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.8/10 Exceptional! (1,853 reviews)
"Breakfast was good rooms are very clean daily staff is wonderful the kitchen is open till 12am loves it"

Reviewed on Oct 31, 2026

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
$60 nightly
The price is $69 total per night from Nov 4 to Nov 5
$69 total
Nov 4 - Nov 5
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. ...
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
$114 nightly
The price is $128 total per night from Nov 15 to Nov 16
$128 total
Nov 15 - Nov 16
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! (1,002 reviews)
"Amazing staff and experience from the moment I walked through the doors. Helpful, knowledgeable, professional and just kind. Brilliantly clean room, freshly ground coffee… they’re doing it right."

Reviewed on Oct 31, 2026

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.
The Wildwood Hotel

The Wildwood Hotel

3.5 out of 5
Price was $822, price is now $536 per person
$536
per person
Dec 17 - Dec 20
found 1 day ago
Roundtrip flight included
Newark Liberty Intl. Airport (EWR) to St. Louis (STL)
Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
Price was $1,191, price is now $988 per person
$988
per person
Dec 23 - Dec 29
found 21 hours ago
Roundtrip non-stop flight included
New York (NYC) to St. Louis (STL)
Moonrise Hotel

Moonrise Hotel

4 out of 5
Price was $1,206, price is now $1,007 per person
$1,007
per person
Dec 23 - Dec 29
found 21 hours ago
Roundtrip non-stop flight included
New York (NYC) to St. Louis (STL)
Don't see what you're looking for?
See all available trips from Newark Liberty Intl. Airport to Southern Illinois
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Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 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 $57 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 $57. 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 $57 and $1,163. 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.