Cheap Flights to Southern Illinois from $39

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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 $90 and $39 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Fri, Nov 20 - Thu, Nov 26
VPS
Northwest Florida Regional
BLV
MidAmerica-St. Louis
$90 Roundtrip, found 5 hours ago
$90
Roundtrip
found 5 hours ago
Select Allegiant Air flight, departing Fri, Nov 20 from Northwest Florida Regional to MidAmerica-St. Louis, returning Thu, Nov 26, priced at $90 found 5 hours ago
OriginDestinationTravel DatesFlights From*
BNASt. LouisNovember 21 to November 22$137
DFWSt. LouisNovember 19 to November 26$148
PGDMascoutahNovember 12 to November 15$151
RSWSt. LouisNovember 19 to November 22$225
ORFSt. LouisDecember 6 to December 9$250
DFWScott CityNovember 6 to November 8$258
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
DFWWest PaducahNovember 12 to November 15$382
DALEvansvilleDecember 23 to December 29$405
AUSEvansvilleDecember 30 to January 5$425
PVDEvansvilleJanuary 11 to January 14$705
BNAEvansvilleNovember 30 to December 3$914
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DFWScott CityNovember 6 to November 8$258
PGDMascoutahNovember 8 to November 12$304
AUSSt. LouisNovember 7 to November 14$327
DFWSt. LouisNovember 8 to November 13$334
CLESt. LouisNovember 7 to November 8$334
DCASt. LouisNovember 8 to November 11$368
CLTSt. LouisNovember 6 to November 8$430
ORFSt. LouisNovember 8 to November 10$541
CLTMarionNovember 6 to November 10$575
RSWSt. LouisNovember 8 to November 15$697
PVDSt. LouisNovember 6 to November 7$820
BNASt. LouisNovember 6 to November 8$987
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$90
Number of Airlines Serving
Airlines Serving
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 2 to Nov 3
$67 total
Nov 2 - Nov 3
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 1 to Nov 2
$91 total
Nov 1 - Nov 2
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 Oct 31 to Nov 1
$89 total
Oct 31 - Nov 1
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 ...
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
$75 nightly
The price is $83 total per night from Oct 31 to Nov 1
$83 total
Oct 31 - Nov 1
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 5 to Nov 6
$75 total
Nov 5 - Nov 6
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 1 to Nov 2
$77 total
Nov 1 - Nov 2
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. ...
7.4/10 Good! (1,000 reviews)
"There were men behind the facility all night long…. Made me very uncomfortable. I don’t know if they had permission to be there or not."

Reviewed on Oct 11, 2026

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 29 to Nov 30
$130 total
Nov 29 - Nov 30
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 9 to Nov 10
$83 total
Nov 9 - Nov 10
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 ...
8.6/10 Excellent! (1,002 reviews)
"Clean room and close to expressway"

Reviewed on Oct 30, 2026

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 5 to Nov 6
$124 total
Nov 5 - Nov 6
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! (1,844 reviews)
"Drury is always our first choice to stay and is Always great……."

Reviewed on Oct 29, 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
$61 nightly
The price is $70 total per night from Nov 4 to Nov 5
$70 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. ...
6.4/10 (211 reviews)
"Since I booked thru Expedia was very reluctant to help. Indeed, when I needed to do horten my stay by 2 night staff referred me back to Expedia and refused to help me."

Reviewed on Oct 26, 2026

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 ...
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 $844, price is now $528 per person
$528
per person
Dec 2 - Dec 6
found 14 hours ago
Roundtrip flight included
Dallas (DFW) to St. Louis (STL)
The Cheshire

The Cheshire

4 out of 5
Price was $865, price is now $675 per person
$675
per person
Dec 2 - Dec 6
found 14 hours ago
Roundtrip flight included
Dallas (DFW) to St. Louis (STL)
The Westin St. Louis

The Westin St. Louis

4.5 out of 5
Price was $980, price is now $814 per person
$814
per person
Dec 2 - Dec 6
found 14 hours ago
Roundtrip flight included
Dallas (DFW) to St. Louis (STL)
Don't see what you're looking for?
See all available trips from Dallas to Southern Illinois
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Need a Car For After Your Flight?

Economy

  • 4 people
  • Unlimited mileage
SAINT LOUIS, USA

$50

$196 total
found 5 days ago
Economy undefined

Fullsize

  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA

$51

$200 total
found 5 days ago
Fullsize undefined

Standard

  • 5 people
  • Unlimited mileage
SAINT LOUIS, USA

$51

$199 total
found 5 days ago
Standard undefined

Compact

  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA

$51

$198 total
found 5 days ago
Compact undefined
Lowest prices found within the past 5 days. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Southern Illinois?
A roundtrip flight to Southern Illinois cost as little as $90 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 $90. 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 $90 and $987. 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.