Cheap Flights to Southern Illinois from $44

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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 $90 and $44 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Fri, Nov 7 - Fri, Nov 14
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$154 Roundtrip, found 3 days ago
$154
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Nov 7 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Nov 14, priced at $154 found 3 days ago
Wed, Oct 8 - Sat, Oct 11
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 21 hours ago
$160
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Oct 8 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $160 found 21 hours ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisOctober 22 to October 25$90
AUSSt. LouisDecember 10 to December 13$173
LGASt. LouisOctober 28 to October 30$178
AUSEvansvilleNovember 4 to November 8$322
FLLEvansvilleDecember 24 to January 1$337
JFKEvansvilleOctober 19 to October 28$379
DENEvansvilleNovember 6 to November 10$434
PGVSt. LouisOctober 31 to November 3$446
STLScott CityOctober 11 to October 18$494
AUSScott CityNovember 26 to December 2$538
LGAScott CityOctober 17 to October 24$546
JFKWest PaducahNovember 22 to November 29$667
FLLDecaturNovember 18 to November 23$779
AUSWest PaducahOctober 10 to October 12$867
DENMarionOctober 16 to October 20$894
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
FLLSt. LouisOctober 5 to October 9$186
DENSt. LouisOctober 5 to October 11$206
JFKSt. LouisOctober 5 to October 13$208
LGASt. LouisOctober 5 to October 6$251
AUSSt. LouisOctober 5 to October 7$315
LGAEvansvilleOctober 4 to October 21$401
AUSEvansvilleOctober 3 to October 8$552
FLLEvansvilleOctober 4 to October 13$591
*Prices include taxes and fees

Southern Illinois Flight Information

Traveling to
Southern Illinois
Lowest Price
$90
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
$62 nightly
The price is $70 total per night from Oct 1 to Oct 2
$70 total
Oct 1 - Oct 2
Total with taxes and fees
Stay at this motel in Caseyville. Enjoy free parking, an outdoor pool, and a 24-hour front desk. Our guests praise the property condition in our reviews. Popular ...
6.2/10 (1,018 reviews)
"The staff was great. She was very quick about checking me in after I've been awake for over 24 hours. It was very quiet. The bed wasnt very comfortable though. If i hadnt been so tired i probably wouldn't of slept a lot."

Reviewed on Sep 23, 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
$85 nightly
The price is $94 total per night from Oct 1 to Oct 2
$94 total
Oct 1 - Oct 2
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! (756 reviews)
"Staff were very helpful and personable. Clean comfortable room. I have stayed here several times and will conrinue to do so. Thanks"

Reviewed on Sep 24, 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
$74 nightly
The price is $89 total per night from Oct 1 to Oct 2
$89 total
Oct 1 - Oct 2
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! (1,012 reviews)
"Great value"

Reviewed on Sep 28, 2025

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 Oct 7 to Oct 8
$75 total
Oct 7 - Oct 8
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! (463 reviews)
"Staff was available when I needed them. Breakfast was limited but doable. The only comment is that thebath towels could have been a better quality. However there were enough towels to dry satisfactorily after my showers."

Reviewed on Sep 29, 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
$68 nightly
The price is $75 total per night from Oct 1 to Oct 2
$75 total
Oct 1 - Oct 2
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! (1,002 reviews)
"Room climate very pleasing. Bed & pillows vey comfortable."

Reviewed on Sep 25, 2025

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
$59 nightly
The price is $65 total per night from Oct 1 to Oct 2
$65 total
Oct 1 - Oct 2
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! (1,007 reviews)
"The check in with the video kiosk was nice"

Reviewed on Sep 19, 2025

Opens in a new windowRodeway Inn Effingham North
Suite Dreams Hotel

Suite Dreams Hotel

2.5 out of 5
300 Broadway Avenue East, Mattoon, IL
$94 nightly
The price is $105 total per night from Oct 1 to Oct 2
$105 total
Oct 1 - Oct 2
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! (516 reviews)
"Have stayed at this hotel twice and will stay again."

Reviewed on Sep 23, 2025

Opens in a new windowSuite Dreams Hotel
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Harrah's Metropolis Hotel & Casino

Harrah's Metropolis Hotel & Casino

3.5 out of 5
100 E Front St, Metropolis, IL
$123 nightly
The price is $137 total per night from Oct 1 to Oct 2
$137 total
Oct 1 - Oct 2
Total with taxes and fees
Stay at this 3.5-star hotel in Metropolis. Enjoy free parking, 2 restaurants, and a casino. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.2/10 Very Good! (1,009 reviews)
"Great beds"

Reviewed on Sep 22, 2025

Opens in a new windowHarrah's Metropolis Hotel & Casino
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
$85 nightly
The price is $102 total per night from Oct 16 to Oct 17
$102 total
Oct 16 - Oct 17
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! (1,005 reviews)
"Clean, comfortable and lots of amenities close by"

Reviewed on Sep 28, 2025

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
$94 nightly
The price is $106 total per night from Oct 5 to Oct 6
$106 total
Oct 5 - Oct 6
Total with taxes and fees
Stay at this 3-star 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! (1,474 reviews)
"Lady at the front desk at check in was very kind and polite."

Reviewed on Sep 27, 2025

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
$67 nightly
The price is $77 total per night from Oct 12 to Oct 13
$77 total
Oct 12 - Oct 13
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 (62 reviews)
"Clean and safe."

Reviewed on Sep 18, 2025

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
$120 nightly
The price is $134 total per night from Oct 31 to Nov 1
$134 total
Oct 31 - Nov 1
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! (1,004 reviews)
"The check in person was so nice."

Reviewed on Sep 26, 2025

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
Save 100% on your flight
Price was $560, price is now $310 per person
$310
per person
Nov 7 - Nov 9
found 1 hour ago
Roundtrip flight included
Denver (DEN) to St. Louis (STL)
Hilton Garden Inn Chesterfield

Hilton Garden Inn Chesterfield

3 out of 5
Save 100% on your flight
Price was $589, price is now $366 per person
$366
per person
Nov 7 - Nov 9
found 1 hour ago
Roundtrip flight included
Denver (DEN) to St. Louis (STL)
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

4 out of 5
Save 100% on your flight
Price was $546, price is now $373 per person
$373
per person
Nov 6 - Nov 9
found 1 day ago
Roundtrip flight included
Denver (DEN) to St. Louis (STL)
Don't see what you're looking for?
See all available trips from Denver 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 $90 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 $90. 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 $90 and $894. 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

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.