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 $58 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 27 - Tue, Mar 3
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 10 hours ago
$58
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Feb 27 from Orlando Intl. to Lambert-St. Louis Intl., returning Tue, Mar 3, priced at $58 found 10 hours ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisFebruary 11 to February 14$59
FLLSt. LouisMarch 16 to March 16$104
LGASt. LouisJanuary 31 to February 2$137
AUSSt. LouisFebruary 18 to February 21$139
JFKSt. LouisFebruary 4 to February 7$141
AUSEvansvilleFebruary 17 to February 25$322
JFKEvansvilleMarch 24 to April 8$339
DENEvansvilleFebruary 10 to February 21$389
FLLEvansvilleMarch 11 to March 24$406
DENScott CityMarch 27 to March 30$420
EWNSt. LouisFebruary 20 to February 23$448
PGVSt. LouisFebruary 27 to February 28$450
FLLScott CityApril 2 to April 5$464
STLMarionMarch 15 to March 17$543
DENDecaturFebruary 16 to February 18$717
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DENSt. LouisJanuary 17 to January 24$133
LGASt. LouisJanuary 18 to January 21$357
JFKSt. LouisJanuary 17 to January 20$357
LGAEvansvilleJanuary 17 to January 20$435
AUSSt. LouisJanuary 16 to January 19$664
FLLSt. LouisJanuary 17 to January 26$1,139
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$58
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
$60 nightly
The price is $68 total per night from Jan 13 to Jan 14
$68 total
Jan 13 - Jan 14
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 (1,004 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 Jan 13 to Jan 14
$82 total
Jan 13 - Jan 14
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! (768 reviews)
First time at this Hotel. Check in was great, the room was nice and clean. The bed was a little bit noisy.

Reviewed on Dec 20, 2025

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
$59 nightly
The price is $70 total per night from Jan 13 to Jan 14
$70 total
Jan 13 - Jan 14
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! (999 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
$68 nightly
The price is $75 total per night from Jan 13 to Jan 14
$75 total
Jan 13 - Jan 14
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! (474 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 Jan 18 to Jan 19
$71 total
Jan 18 - Jan 19
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 ...
7.8/10 Good! (1,001 reviews)
Yes. I'm very happy. And would be happy if i stayed even longer. Kinda wish i could. Comfy.

Reviewed on Jan 8, 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
$60 nightly
The price is $67 total per night from Jan 13 to Jan 14
$67 total
Jan 13 - Jan 14
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)
The only complaint I have is that I reserved an "accessible" room with a queen bed. When I arrived, all the rooms were either upstairs or downstairs, there was no actual ground floor, and thus no room was fully ADA accessible. Luckily, I can navigate stairs with my disability, it's just painful. ...

Reviewed on Oct 21, 2025

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 $92 total per night from Jan 15 to Jan 16
$92 total
Jan 15 - Jan 16
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! (545 reviews)
We were up and, on the road, before breakfast started.

Reviewed on Jan 8, 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 Feb 10 to Feb 11
$130 total
Feb 10 - Feb 11
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! (1,002 reviews)
Very nice welcome to the hotel

Reviewed on Dec 29, 2025

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
$99 nightly
The price is $119 total per night from Feb 1 to Feb 2
$119 total
Feb 1 - Feb 2
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! (1,001 reviews)
Staff was friendly

Reviewed on Jan 5, 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
$105 nightly
The price is $119 total per night from Jan 18 to Jan 19
$119 total
Jan 18 - Jan 19
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! (1,615 reviews)
Enjoyed my stay. Always good.

Reviewed on Jan 9, 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 Jan 18 to Jan 19
$67 total
Jan 18 - Jan 19
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 (96 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
$83 nightly
The price is $93 total per night from Feb 6 to Feb 7
$93 total
Feb 6 - Feb 7
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)
Everything was great the gentleman that checked us in was awesome and the rooms are clean and a great size

Reviewed on Jan 7, 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 $586, price is now $474 per person
$474
per person
Mar 10 - Mar 12
found 14 hours ago
Roundtrip flight included
Philadelphia (PHL) to St. Louis (STL)
Hermann Grain Bins BNB

Hermann Grain Bins BNB

2 out of 5
Price was $906, price is now $702 per person
$702
per person
Feb 14 - Feb 16
found 3 hours ago
Roundtrip flight included
Newark Liberty Intl. Airport (EWR) to St. Louis (STL)
White House at Grand Central

White House at Grand Central

4 out of 5
Price was $694, price is now $578 per person
$578
per person
Feb 13 - Feb 16
found 13 hours ago
Roundtrip flight included
Philadelphia (PHL) 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 $58 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 $58. 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 $58 and $1,139. 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.