Cheap Flights to Southern Illinois from $29

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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 $80 and $29 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Wed, Apr 15 - Wed, Apr 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$80 Roundtrip, found 8 hours ago
$80
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Apr 22, priced at $80 found 8 hours ago
Fri, Apr 10 - Mon, Apr 20
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$216 Roundtrip, found 10 hours ago
$216
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Apr 20, priced at $216 found 10 hours ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisApril 25 to April 27$104
LGASt. LouisApril 9 to April 16$190
AUSSt. LouisApril 16 to April 19$201
FLLSt. LouisMay 8 to May 11$205
JFKSt. LouisApril 8 to April 11$268
DENWest PaducahMarch 27 to April 3$341
STLDecaturJune 1 to June 17$352
AUSEvansvilleApril 22 to May 6$363
DENMarionApril 17 to April 18$390
JFKEvansvilleApril 7 to July 22$413
DENEvansvilleMay 13 to May 16$447
LGAEvansvilleApril 1 to April 4$458
FLLEvansvilleJune 10 to June 15$476
DENDecaturApril 3 to April 6$602
DENScott CityApril 28 to May 8$731
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DENSt. LouisMarch 22 to March 25$271
LGASt. LouisMarch 20 to March 24$298
JFKSt. LouisMarch 20 to March 23$350
FLLSt. LouisMarch 20 to March 24$372
AUSSt. LouisMarch 20 to March 22$400
STLScott CityMarch 21 to March 23$942
STLMarionMarch 21 to March 23$1,032
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$80
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
$65 nightly
The price is $73 total per night from Mar 23 to Mar 24
$73 total
Mar 23 - Mar 24
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 19 to Mar 20
$82 total
Mar 19 - Mar 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 ...
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 29 to Mar 30
$80 total
Mar 29 - Mar 30
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
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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
$68 nightly
The price is $75 total per night from Mar 19 to Mar 20
$75 total
Mar 19 - Mar 20
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
$68 nightly
The price is $75 total per night from Mar 24 to Mar 25
$75 total
Mar 24 - Mar 25
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! (1,001 reviews)
Had the DND on the door and housekeeping came in anyway

Reviewed on Mar 16, 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 22 to Mar 23
$61 total
Mar 22 - Mar 23
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! (1,001 reviews)
The person behind the desk is actually on a video screen, taking/talking your info. Only person that I seen was a cleaning person. We had requested, and they obliged,a bottom floor due to a broken foot. They do allow pets.( there was hairs) Room had a lingering smell of cigarette smoke. Says its ...

Reviewed on Mar 15, 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 19 to Mar 20
$90 total
Mar 19 - Mar 20
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
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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 16 to Apr 17
$130 total
Apr 16 - Apr 17
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
$106 nightly
The price is $127 total per night from Apr 5 to Apr 6
$127 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)
Room was a nice size but needed some updates. Breakfast was pretty bad. Cold. No forks.

Reviewed on Mar 16, 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! (1,661 reviews)
Beautiful hotel and loved the kickback and breakfast.

Reviewed on Mar 17, 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 24 to Mar 25
$87 total
Mar 24 - Mar 25
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 (117 reviews)
NO WE WANTED A SUITE WITH QUEEN BEDS TAKING A FRIEND FOR SURGERY IN ST LOUIS !! ADVERTISEMENT ON THE ROOM SAID A SUITE THIS PLACE HAS NO SUCH ROOM!! THE FRINT DESK( ( WE KNOW THEIR NAME) SAID THAT IT HAPPENS ALOT !! I STAY AT COMFORT SUITE INNS ALWAYS !! THIS ONE WAS DISSAPPOINTING WILL NOT STAY ...

Reviewed on Mar 16, 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
$118 nightly
The price is $132 total per night from Apr 5 to Apr 6
$132 total
Apr 5 - Apr 6
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! (1,000 reviews)
Comfortable quiet rooms. Great staff and good breakfast.

Reviewed on Mar 15, 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.
Crowne Plaza St. Louis Airport by IHG

Crowne Plaza St. Louis Airport by IHG

3.5 out of 5
Save 100% on your flight
Price was $505, price is now $334 per person
$334
per person
May 1 - May 6
found 8 hours ago
Roundtrip flight included
Atlanta (ATL) to St. Louis (STL)
Hampton Inn By Hilton St Louis Airport

Hampton Inn By Hilton St Louis Airport

2.5 out of 5
Save 100% on your flight
Price was $561, price is now $421 per person
$421
per person
May 1 - May 6
found 8 hours ago
Roundtrip flight included
Atlanta (ATL) to St. Louis (STL)
Elimwood Hotel, a Ramada by Wyndham

Elimwood Hotel, a Ramada by Wyndham

3 out of 5
Save 100% on your flight
Price was $482, price is now $377 per person
$377
per person
May 1 - May 6
found 8 hours ago
Roundtrip flight included
Atlanta (ATL) 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 $80 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, April 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 $80. 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 $80 and $1,032. 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.