Cheap Flights to Southern Illinois from $28

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

How Much Does it Cost To Fly To Southern Illinois?

The cheapest prices found with in the last 7 days for return flights were $102 and $28 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Sun, May 10 - Thu, May 14
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$170 Roundtrip, found 5 days ago
$170
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sun, May 10 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Thu, May 14, priced at $170 found 5 days ago
Sat, May 2 - Mon, May 4
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, May 2 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $213 found 4 days ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisApril 13 to April 17$102
AUSSt. LouisMay 6 to May 7$177
FLLSt. LouisMay 17 to May 19$201
JFKSt. LouisMarch 23 to March 24$282
FLLWest PaducahMay 11 to May 16$289
AUSEvansvilleApril 21 to May 5$337
DENWest PaducahMarch 27 to April 3$341
DENMarionApril 17 to April 18$390
JFKEvansvilleApril 7 to July 22$413
PGVSt. LouisMay 20 to May 23$425
LGAEvansvilleJune 6 to June 15$443
FLLEvansvilleJune 10 to June 15$476
EWNSt. LouisApril 4 to April 7$476
DENDecaturApril 3 to April 6$602
DENScott CityApril 28 to May 8$731
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DENSt. LouisMarch 20 to March 23$296
AUSSt. LouisMarch 22 to March 26$313
FLLSt. LouisMarch 20 to March 24$362
LGASt. LouisMarch 21 to March 24$379
JFKSt. LouisMarch 21 to March 24$432
JFKEvansvilleMarch 20 to March 23$580
LGAEvansvilleMarch 20 to March 23$580
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$102
Number of Airlines Serving
Airlines Serving
Frontier Airlines
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
$63 nightly
The price is $71 total per night from Mar 16 to Mar 17
$71 total
Mar 16 - Mar 17
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 ...
6.4/10 (1,000 reviews)
Clean

Reviewed on Mar 9, 2026

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 Mar 16 to Mar 17
$82 total
Mar 16 - Mar 17
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
$67 nightly
The price is $80 total per night from Mar 17 to Mar 18
$80 total
Mar 17 - Mar 18
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)
Conveniently located and shops nearby. Staff was extremely accommodating and friendly. The pet room smelled like the previous pet used it as bathroom. Should really consider removing rugs. The staff kindly went thru all the pet rooms until we found one that was not as bad. Beds were not so comfortable, ...

Reviewed on Mar 13, 2026

Opens in a new windowSuper 8 by Wyndham Marion
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
Americas Best Value Inn West Frankfort

Americas Best Value Inn West Frankfort

2.5 out of 5
1001 Factory Outlet Blvd West Frankfort IL
$68 nightly
The price is $75 total per night from Mar 17 to Mar 18
$75 total
Mar 17 - Mar 18
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! (481 reviews)
Nice overnight place. Good location. Very pleasant.

Reviewed on Mar 15, 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
$72 nightly
The price is $80 total per night from Mar 16 to Mar 17
$80 total
Mar 16 - Mar 17
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 ...
8/10 Very Good! (1,004 reviews)
Convenient parking next to a great restaurant, Fire and Smoke. Check in check out was smooth.

Reviewed on Mar 14, 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
$55 nightly
The price is $61 total per night from Mar 16 to Mar 17
$61 total
Mar 16 - Mar 17
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! (1,000 reviews)
Very clean

Reviewed on Mar 9, 2026

Opens in a new windowRodeway Inn Effingham North
Suite Dreams Motel Mattoon I 57

Suite Dreams Motel Mattoon I 57

2.5 out of 5
300 Broadway Avenue East Mattoon IL
$82 nightly
The price is $90 total per night from Mar 16 to Mar 17
$90 total
Mar 16 - Mar 17
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 ...
7.4/10 Good! (551 reviews)
Enjoyed our time friendly people and clean

Reviewed on Mar 2, 2026

Opens in a new windowSuite Dreams Motel Mattoon I 57
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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 Apr 13 to Apr 14
$130 total
Apr 13 - Apr 14
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 ...
8.2/10 Very Good! (1,000 reviews)
Wheelchair accessible room was not ADA accessible at all. There was a false alarm and everyone was told over the speaker to evacuate but - no call was made that it was a false alarm- so I (an ambulatory wheelchair and walker user) had to walk down 4 flights of stairs to exit to the rain to go back ...

Reviewed on Mar 5, 2026

Opens in a new windowHarrah's Metropolis Hotel & Casino - A Caesars Rewards Destination
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
$102 nightly
The price is $123 total per night from Apr 5 to Apr 6
$123 total
Apr 5 - Apr 6
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! (1,000 reviews)
The staff were great and the room was super clean. Looks like it had been renovated. Breakfast was good and they treated the teams wonderful!

Reviewed on Mar 11, 2026

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
$111 nightly
The price is $125 total per night from Apr 3 to Apr 4
$125 total
Apr 3 - Apr 4
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 ...
9.6/10 Exceptional! (1,659 reviews)
Great experience, would highly recommend. I will say I got lucky with the farthest corner room which made for a peaceful stay, away from a lot of foot traffic and noise.

Reviewed on Mar 15, 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
$76 nightly
The price is $87 total per night from Mar 22 to Mar 23
$87 total
Mar 22 - Mar 23
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 (116 reviews)
I didn’t even stay there I that’s a horrible place they should be closed down

Reviewed on Mar 10, 2026

Opens in a new windowComfort Inn & Suites O'Fallon - St. Louis Area
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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
$123 nightly
The price is $138 total per night from Mar 22 to Mar 23
$138 total
Mar 22 - Mar 23
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)
Clean

Reviewed on Mar 3, 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.
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

4 out of 5
Price was $526, price is now $406 per person
$406
per person
Apr 17 - Apr 20
found 1 day ago
Roundtrip flight included
Dallas (DFW) to St. Louis (STL)
The Wildwood Hotel

The Wildwood Hotel

3.5 out of 5
Save 100% on your flight
Price was $841, price is now $520 per person
$520
per person
Apr 17 - Apr 20
found 1 day ago
Roundtrip flight included
Dallas (DFW) to St. Louis (STL)
The Cheshire

The Cheshire

4 out of 5
Price was $717, price is now $544 per person
$544
per person
Apr 17 - Apr 20
found 1 day 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
View all trips

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 $102 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, May 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 $102. 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 $102 and $731. 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.