Cheap Flights to Southern Illinois from $38

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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 $76 and $38 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Fri, Sep 25 - Mon, Sep 28
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$76 Roundtrip, found 3 hours ago
$76
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Sep 25 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Sep 28, priced at $76 found 3 hours ago
OriginDestinationTravel DatesFlights From*
AUSSt. LouisAugust 25 to September 1$209
FLLSt. LouisAugust 4 to August 11$215
LGASt. LouisSeptember 12 to September 15$232
PGVEvansvilleJuly 29 to August 4$416
LGAEvansvilleAugust 20 to August 23$447
EWNSt. LouisSeptember 2 to September 7$448
PGVSt. LouisAugust 20 to September 1$453
DENMarionAugust 17 to August 24$456
FLLEvansvilleSeptember 17 to September 21$467
DENEvansvilleSeptember 11 to September 20$467
DENScott CityAugust 13 to August 16$530
AUSScott CityJuly 11 to July 14$546
FLLScott CityAugust 2 to August 7$701
FLLWest PaducahJuly 12 to July 16$719
FLLMarionJuly 6 to July 13$738
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LGASt. LouisJune 28 to July 19$339
DENSt. LouisJune 28 to June 30$408
FLLSt. LouisJune 28 to July 2$413
LGAWest PaducahJune 27 to June 28$422
JFKSt. LouisJune 27 to July 6$536
AUSSt. LouisJune 28 to July 5$950
STLEvansvilleJune 26 to June 27$1,005
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$76
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
$54 nightly
The price is $61 total per night from Jun 25 to Jun 26
$61 total
Jun 25 - Jun 26
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 (1,005 reviews)
"No ice machine. Property being repaired. Parking lot holey."

Reviewed on Jun 23, 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
$82 nightly
The price is $91 total per night from Jul 5 to Jul 6
$91 total
Jul 5 - Jul 6
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 ...
7.8/10 Good! (799 reviews)
"Good location"

Reviewed on Jun 22, 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
$62 nightly
The price is $75 total per night from Jun 25 to Jun 26
$75 total
Jun 25 - Jun 26
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! (1,003 reviews)
"The service was really good. Room was nice and clean and the breakfast was good for what it was on a Monday morning. Basically it was just waffles, biscuits, gravy, and cereal. Nice hotel. Would stay again."

Reviewed on Jun 22, 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
$77 nightly
The price is $85 total per night from Jul 3 to Jul 4
$85 total
Jul 3 - Jul 4
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! (518 reviews)
"Outstanding property, beds were very comfortable, rooms were clean and the breakfast buffet was great. Staff was very helpful"

Reviewed on Jun 16, 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 Jun 30 to Jul 1
$75 total
Jun 30 - Jul 1
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)
"Nice clean rooms."

Reviewed on Jun 22, 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
$75 nightly
The price is $83 total per night from Jun 25 to Jun 26
$83 total
Jun 25 - Jun 26
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 property was disgusting. There is not an actual employee on the property. We checked in later in the evening, but there was not an actual employee again at 0900. You check in/out via video chat. The toilet was clogged when we entered the room and would not flush. Who do I call...no one is at ..."

Reviewed on Jun 24, 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
$122 nightly
The price is $135 total per night from Jul 23 to Jul 24
$135 total
Jul 23 - Jul 24
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)
"HVAC system is loud and always making noises. Staff was really lovely and kind."

Reviewed on Jun 19, 2026

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
$70 nightly
The price is $80 total per night from Jun 25 to Jun 26
$80 total
Jun 25 - Jun 26
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 ...
7.8/10 Good! (1,004 reviews)
"Bed was comfy, pillows were above average from most hotels. Bathroom seemed recently updated and clean. However… carpet was HORRID!! Very old and shoes stuck to it slightly when walking on it… Also, the sheets on one of the beds had a couple stains on them that looked like blood, and it looked like ..."

Reviewed on Jun 21, 2026

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
$107 nightly
The price is $128 total per night from Jul 5 to Jul 6
$128 total
Jul 5 - Jul 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 ...
8.4/10 Very Good! (1,006 reviews)
"Very nice and clean, nice area with a lot of restaurants around"

Reviewed on Jun 23, 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
$111 nightly
The price is $125 total per night from Jul 12 to Jul 13
$125 total
Jul 12 - Jul 13
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! (1,713 reviews)
"Place was clean and nice. Beds were comfy. Would stay here again"

Reviewed on Jun 22, 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
$70 nightly
The price is $81 total per night from Jun 28 to Jun 29
$81 total
Jun 28 - Jun 29
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 (158 reviews)
"All the sheets, towels, and linens were stained. We had to request another room to get sheets that were less stained but still stained. The front desk could care less about service and acted like we were a bother. The breakfast nook is dirty and not maintained. I would not stay here again."

Reviewed on Jun 18, 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
$116 nightly
The price is $130 total per night from Jul 3 to Jul 4
$130 total
Jul 3 - Jul 4
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)
"."

Reviewed on Jun 23, 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.
White House at Grand Central

White House at Grand Central

3.5 out of 5
Price was $823, price is now $670 per person
$670
per person
Aug 7 - Aug 14
found 24 hours ago
Roundtrip non-stop flight included
Los Angeles (QLA) to St. Louis (STL)
Hilton St. Louis Airport

Hilton St. Louis Airport

3.5 out of 5
Price was $1,046, price is now $854 per person
$854
per person
Aug 7 - Aug 14
found 24 hours ago
Roundtrip non-stop flight included
Los Angeles (QLA) to St. Louis (STL)
Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
Price was $1,242, price is now $1,017 per person
$1,017
per person
Aug 7 - Aug 14
found 24 hours ago
Roundtrip non-stop flight included
Los Angeles (QLA) to St. Louis (STL)
Don't see what you're looking for?
See all available trips from Los Angeles to Southern Illinois
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Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 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 $76 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, September 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 $76. 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 $76 and $1,005. 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.