Cheap Flights to Southern Illinois from $30

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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 $30 for one-way flights to Southern Illinois for the period specified. Prices and availability are subject to change. Additional terms apply

Wed, Jun 17 - Tue, Jun 23
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 2 days ago
$58
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Jun 17 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Jun 23, priced at $58 found 2 days ago
Sun, Jun 7 - Wed, Jun 10
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$86 Roundtrip, found 19 hours ago
$86
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sun, Jun 7 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Wed, Jun 10, priced at $86 found 19 hours ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisJune 16 to June 24$68
LGASt. LouisJune 2 to June 5$185
FLLSt. LouisMay 20 to May 26$199
AUSSt. LouisMay 31 to June 2$211
JFKSt. LouisJune 4 to June 6$281
YKFSt. LouisJune 11 to June 12$413
FLLEvansvilleJune 20 to June 27$414
EWNSt. LouisJune 17 to June 24$422
AUSEvansvilleMay 27 to June 2$424
DENEvansvilleMay 21 to June 3$478
FLGSt. LouisJune 12 to June 13$555
LGAMarionJuly 1 to July 5$562
PGVSt. LouisMay 15 to May 18$594
JFKMarionMay 26 to June 2$596
DENWest PaducahMay 15 to May 17$1,461
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LGASt. LouisMay 3 to May 10$382
DENSt. LouisMay 2 to May 9$420
JFKSt. LouisMay 2 to May 5$431
FLLSt. LouisMay 3 to May 7$450
JFKEvansvilleMay 2 to May 7$551
LGAEvansvilleMay 2 to May 7$551
AUSSt. LouisMay 2 to May 3$617
*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
$65 nightly
The price is $73 total per night from May 3 to May 4
$73 total
May 3 - May 4
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 (1,000 reviews)
For an economy hotel it is a nice building well maintained. However the thermostat was so complex the clerk had to come to the room to set it.

Reviewed on Apr 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 May 3 to May 4
$91 total
May 3 - May 4
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! (780 reviews)
No t used

Reviewed on Apr 24, 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
$74 nightly
The price is $89 total per night from May 11 to May 12
$89 total
May 11 - May 12
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)
There was mold in the AC unit and the Shower exhaust fan did not function properly. Also in room 105 One of the beds had a noticeable indentation. Next, I had to summon the male receptionist to literally turn the TV on because it’s a two step process. First you press the Aux button and secondly, ...

Reviewed on Apr 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
$68 nightly
The price is $75 total per night from May 3 to May 4
$75 total
May 3 - May 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! (493 reviews)
It was a good stay! Pretty loud at night. Everything was good

Reviewed on Apr 30, 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
$72 nightly
The price is $80 total per night from May 7 to May 8
$80 total
May 7 - May 8
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! (1,003 reviews)
Other than the storm knockingnout the power in the area off an on. Great stay extremely friendly staff

Reviewed on Apr 29, 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
$70 nightly
The price is $78 total per night from May 3 to May 4
$78 total
May 3 - May 4
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. ...
Opens in a new windowRodeway Inn Effingham North
Suite Dreams Motel Mattoon I 57

Suite Dreams Motel Mattoon I 57

2.5 out of 5
300 Broadway Avenue East Mattoon IL
$99 nightly
The price is $110 total per night from May 1 to May 2
$110 total
May 1 - May 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 ...
7.4/10 Good! (559 reviews)
Room was clean staff was very helpful. Don't do breakfast.

Reviewed on Apr 28, 2026

Opens in a new windowSuite Dreams Motel 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
$122 nightly
The price is $135 total per night from May 31 to Jun 1
$135 total
May 31 - Jun 1
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)
Easy check in. Nice staff

Reviewed on Apr 28, 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
$104 nightly
The price is $125 total per night from May 31 to Jun 1
$125 total
May 31 - Jun 1
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 ...
8.6/10 Excellent! (1,000 reviews)
Nice place to stay, clean and well kept. Good fresh breakfast offerings, and clean tables. Busy with a large group, so check-in took longer but that was understandable.

Reviewed on Apr 28, 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
$103 nightly
The price is $116 total per night from May 10 to May 11
$116 total
May 10 - May 11
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! (1,676 reviews)
Nice meals

Reviewed on Apr 28, 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
$76 nightly
The price is $87 total per night from May 21 to May 22
$87 total
May 21 - May 22
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 (139 reviews)
The staff was helpful, the room was relatively clean. The property is clearly old and has some issues with disrepair that could be addressed. It was good for what it was.

Reviewed on Apr 25, 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
$123 nightly
The price is $138 total per night from May 3 to May 4
$138 total
May 3 - May 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! (1,000 reviews)
Clean room, quick check in. Our room was very quiet. We left early am so didn’t utilize the free breakfast.

Reviewed on Apr 27, 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 Knight Center at Washington University

The Knight Center at Washington University

2.5 out of 5
Price was $710, price is now $585 per person
$585
per person
Jun 4 - Jun 7
found 1 day ago
Roundtrip flight included
Newark Liberty Intl. Airport (EWR) to St. Louis (STL)
The Wildwood Hotel

The Wildwood Hotel

3.5 out of 5
Price was $912, price is now $627 per person
$627
per person
Jun 26 - Jun 28
found 1 day ago
Roundtrip flight included
Boston (BOS) to St. Louis (STL)
Nebraska

Nebraska

2 out of 5
Price was $952, price is now $766 per person
$766
per person
Jun 9 - Jun 11
found 1 day ago
Roundtrip flight included
Boston (BOS) to St. Louis (STL)
Don't see what you're looking for?
See all available trips from Newark Liberty Intl. Airport to Southern Illinois
View all trips

Southern Illinois flight + hotel packages - first class flights

Price found within the past 48 hours. Click for updated prices.
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

4 out of 5
Price was $1,692, price is now $1,520 per person
$1,520
per person
Jun 18 - Jun 22
found 1 day ago
Roundtrip flight included
Portland (PDX) to St. Louis (STL)
The Wildwood Hotel

The Wildwood Hotel

3.5 out of 5
Price was $2,128, price is now $1,628 per person
$1,628
per person
Jun 18 - Jun 22
found 1 day ago
Roundtrip flight included
Portland (PDX) to St. Louis (STL)
Nebraska

Nebraska

2 out of 5
Price was $3,182, price is now $2,698 per person
$2,698
per person
Jun 18 - Jun 22
found 1 day ago
Roundtrip flight included
Portland (PDX) to St. Louis (STL)
Don't see what you're looking for?
See all available trips from Portland to Southern Illinois
View all trips

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 $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, June 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 $1,461. 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.