Cheap Flights to Southern Illinois from $20

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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 $43 and $20 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Wed, Nov 4 - Mon, Nov 9
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$43 Roundtrip, found 3 days ago
$43
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Nov 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Nov 9, priced at $43 found 3 days ago
Thu, Oct 29 - Mon, Nov 2
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 13 hours ago
$117
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Oct 29 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Nov 2, priced at $117 found 13 hours ago
OriginDestinationTravel DatesFlights From*
BNASt. LouisOctober 23 to October 26$144
PGDMascoutahNovember 3 to November 17$157
ORFSt. LouisNovember 19 to December 2$166
AUSSt. LouisOctober 21 to October 24$175
PVDSt. LouisNovember 10 to November 13$324
DFWWest PaducahOctober 29 to October 31$328
BNAScott CityOctober 21 to October 25$443
AUSEvansvilleOctober 20 to November 3$451
DCAEvansvilleDecember 4 to December 6$457
ORFEvansvilleOctober 17 to October 21$461
DFWEvansvilleDecember 23 to December 29$483
DCAWest PaducahOctober 14 to October 16$560
BNAEvansvilleDecember 3 to December 3$1,083
AUSScott CityOctober 14 to October 18$1,102
DCAScott CityOctober 12 to October 18$1,268
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
BNASt. LouisSeptember 25 to September 28$193
CLESt. LouisSeptember 25 to September 28$343
CLTSt. LouisSeptember 27 to October 3$422
AUSSt. LouisSeptember 26 to September 28$423
DFWSt. LouisSeptember 26 to September 27$424
DFWScott CitySeptember 25 to September 27$464
RSWSt. LouisSeptember 26 to October 3$487
ORFSt. LouisSeptember 27 to September 30$544
PGDMascoutahSeptember 27 to October 1$575
ORFEvansvilleSeptember 26 to September 27$604
CLTEvansvilleSeptember 27 to October 4$615
PVDSt. LouisSeptember 25 to September 30$693
RSWScott CitySeptember 25 to October 1$781
DCASt. LouisSeptember 26 to September 28$1,027
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$43
Number of Airlines Serving
Airlines Serving
Frontier Airlines, American 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
$59 nightly
The price is $67 total per night from Oct 20 to Oct 21
$67 total
Oct 20 - Oct 21
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 ...
6.4/10 (1,003 reviews)
"Clean room"

Reviewed on Sep 20, 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 Sep 27 to Sep 28
$91 total
Sep 27 - Sep 28
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! (813 reviews)
"Rooms could use a refresh. Bathroom was crazy small. Staff was amazing!"

Reviewed on Sep 20, 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
$71 nightly
The price is $85 total per night from Sep 23 to Sep 24
$85 total
Sep 23 - Sep 24
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 ...
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 Sep 23 to Sep 24
$75 total
Sep 23 - Sep 24
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! (535 reviews)
"We just needed sleep for the night ,got there late and left early , such a good price and right off interstate 57 ."

Reviewed on Sep 22, 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 Sep 29 to Sep 30
$75 total
Sep 29 - Sep 30
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 ...
8.2/10 Very Good! (1,000 reviews)
"I don’t think it is standard protocol to have the air completely off when it’s been 96 everyday for over a week. Had a late check in and the room was over 85 degrees. Couldn’t sleep for 3 hours while the room eventually cooled down. Saved that $1 I guess."

Reviewed on Sep 21, 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
$69 nightly
The price is $77 total per night from Sep 23 to Sep 24
$77 total
Sep 23 - Sep 24
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 toilet in my room did not work correctly. I only stayed for a night but the front desk offered to change my room if I felt the need. Overall the price reflects the quality. Could’ve been worse and could have been better."

Reviewed on Aug 30, 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
$117 nightly
The price is $130 total per night from Oct 21 to Oct 22
$130 total
Oct 21 - Oct 22
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! (1,005 reviews)
"Nothing special, but nothing wrong either. I was there on a Tues, the main restaurant was closed until Thursday. Had to go into town to eat. Not a big deal, it was a good meal ..."

Reviewed on Sep 21, 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
$73 nightly
The price is $83 total per night from Sep 23 to Sep 24
$83 total
Sep 23 - Sep 24
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 ...
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
$91 nightly
The price is $109 total per night from Oct 18 to Oct 19
$109 total
Oct 18 - Oct 19
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 ...
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 Sep 27 to Sep 28
$125 total
Sep 27 - Sep 28
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 ...
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 Sep 23 to Sep 24
$87 total
Sep 23 - Sep 24
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 (195 reviews)
"The hotel itself was very rundown and just dirty. There was large smell of Marijuana in most areas, including pool area. I had small children with me so this was upsetting since we were not able to use these amenities. We did tell hotel staff but they didnt seem to care. I would not be surprised ..."

Reviewed on Sep 20, 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
$127 nightly
The price is $142 total per night from Sep 25 to Sep 26
$142 total
Sep 25 - Sep 26
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 ...
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.
Hotel Indigo St Louis - Central West End by IHG

Hotel Indigo St Louis - Central West End by IHG

3.5 out of 5
Price was $707, price is now $596 per person
$596
per person
Oct 23 - Oct 25
found 18 hours ago
Roundtrip non-stop flight included
New York (JFK) to St. Louis (STL)
Residence Inn by Marriott Evansville East

Residence Inn by Marriott Evansville East

3 out of 5
Price was $996, price is now $810 per person
$810
per person
Oct 22 - Oct 29
found 7 hours ago
Roundtrip non-stop flight included
New York (NYC) to Evansville (EVV)
New Harmony Inn Resort and Conference Center

New Harmony Inn Resort and Conference Center

3 out of 5
Price was $1,058, price is now $900 per person
$900
per person
Oct 22 - Oct 29
found 7 hours ago
Roundtrip non-stop flight included
New York (NYC) to Evansville (EVV)
Don't see what you're looking for?
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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 $43 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, November 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 $43. 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 $43 and $1,268. 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.