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 $56 and $29 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Fri, Feb 20 - Mon, Feb 23
GSP
Greenville-Spartanburg Intl.
DEC
Decatur
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 20 from Greenville-Spartanburg Intl. to Decatur, returning Mon, Feb 23, priced at $276 found 1 day ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisMay 2 to May 9$56
AUSSt. LouisFebruary 25 to February 28$146
LGASt. LouisMarch 4 to March 11$146
FLLSt. LouisMarch 11 to March 23$156
JFKSt. LouisMay 5 to May 9$160
AUSEvansvilleMay 6 to May 12$317
DENEvansvilleApril 22 to April 28$379
AUSWest PaducahMarch 20 to March 23$381
STLWest PaducahMarch 20 to March 22$386
JFKEvansvilleFebruary 18 to February 25$437
LGAEvansvilleFebruary 18 to February 25$437
FLLEvansvilleApril 14 to April 16$450
PGVSt. LouisMay 12 to May 15$467
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DENSt. LouisFebruary 14 to February 21$157
FLLSt. LouisFebruary 14 to February 21$328
AUSSt. LouisFebruary 14 to February 16$357
LGASt. LouisFebruary 15 to February 17$402
AUSWest PaducahFebruary 14 to February 15$681
JFKSt. LouisFebruary 14 to February 17$1,161
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$56
Number of Airlines Serving
Airlines Serving
Frontier Airlines, United
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
$60 nightly
The price is $68 total per night from Feb 11 to Feb 12
$68 total
Feb 11 - Feb 12
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 Cahokia Mounds State Historic Site and Frank ...
6.2/10 (1,000 reviews)
Exceptionally clean laundry room

Reviewed on Dec 26, 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 Feb 9 to Feb 10
$82 total
Feb 9 - Feb 10
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! (773 reviews)
Decent, no-frills hotel close to EIU. If you’re looking for a clean hotel that gives you a comfortable bed to just crash for a night or two, you won’t be able to beat the price point at this Days Inn.

Reviewed on Jan 29, 2026

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 Feb 9 to Feb 10
$80 total
Feb 9 - Feb 10
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)
Old but clean and comfortable. Heating unit a little too noisy.

Reviewed on Jan 3, 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
$64 nightly
The price is $71 total per night from Feb 9 to Feb 10
$71 total
Feb 9 - Feb 10
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! (475 reviews)
Staff was very nice and professional. Room was clean, bed was comfortable. There was a bit of cigarette smell, but would stay again.

Reviewed on Nov 8, 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
$64 nightly
The price is $71 total per night from Feb 15 to Feb 16
$71 total
Feb 15 - Feb 16
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! (1,002 reviews)
This was my second time staying there and both my expectations.

Reviewed on Feb 6, 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 Feb 9 to Feb 10
$61 total
Feb 9 - Feb 10
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! (1,002 reviews)
Amenities.

Reviewed on Jan 17, 2026

Opens in a new windowRodeway Inn Effingham North
Suite Dreams Motel By Capital O Mattoon I - 57

Suite Dreams Motel By Capital O Mattoon I - 57

2.5 out of 5
300 Broadway Avenue East Mattoon IL
$83 nightly
The price is $91 total per night from Feb 9 to Feb 10
$91 total
Feb 9 - Feb 10
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! (548 reviews)
Its decent

Reviewed on Jan 23, 2026

Opens in a new windowSuite Dreams Motel By Capital O 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 Mar 9 to Mar 10
$130 total
Mar 9 - Mar 10
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! (1,001 reviews)
Great staff

Reviewed on Feb 2, 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
$97 nightly
The price is $116 total per night from Feb 22 to Feb 23
$116 total
Feb 22 - Feb 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 ...
8.4/10 Very Good! (1,000 reviews)
Room was clean and in good repair with plenty of accessible outlets. The staff was friendly and helpful. The shower had great pressure and volume.

Reviewed on Feb 1, 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
$110 nightly
The price is $125 total per night from Feb 15 to Feb 16
$125 total
Feb 15 - Feb 16
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! (1,649 reviews)
One of the nicest places. Great food, night and day

Reviewed on Feb 2, 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
$59 nightly
The price is $67 total per night from Feb 15 to Feb 16
$67 total
Feb 15 - Feb 16
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. ...
6.8/10 (103 reviews)
Room was clean. One bed had a “divot” — asked for a solution, but nothing was done.

Reviewed on Jan 11, 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
$110 nightly
The price is $123 total per night from Feb 22 to Feb 23
$123 total
Feb 22 - Feb 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)
We stayed in a room with 2 king beds, one in a separate room. It was lovely. We had plenty of space and the separation was nice for sleeping. The property was clean, the rooms clean and comfortable. The staff was courteous and efficient. It was a pleasant experience.

Reviewed on Feb 5, 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 $707, price is now $512 per person
$512
per person
Apr 6 - Apr 9
found 1 day ago
Roundtrip non-stop flight included
Philadelphia (PHL) to St. Louis (STL)
Landing Apartments - Eureka

Landing Apartments - Eureka

4 out of 5
Price was $1,361, price is now $1,099 per person
$1,099
per person
Mar 29 - Apr 3
found 11 hours ago
Roundtrip non-stop flight included
Akron (CAK) to St. Louis (STL)
Crowne Plaza St. Louis Airport by IHG

Crowne Plaza St. Louis Airport by IHG

3.5 out of 5
Price was $673, price is now $525 per person
$525
per person
Mar 11 - Mar 15
found 15 hours ago
Roundtrip flight included
Minneapolis (MSP) to St. Louis (STL)
Don't see what you're looking for?
See all available trips from Philadelphia to Southern Illinois
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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 $56 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, February 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 $56. 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 $56 and $1,161. 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.