Cheap Flights to Southwest Illinois from $20
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How Much Does it Cost To Fly To Southwest Illinois?
The cheapest prices found with in the last 7 days for return flights were $53 and $20 for one-way flights to Southwest Illinois for the period specified. Prices and availability are subject to change. Additional terms apply
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$53 Roundtrip, found 19 hours ago
$53
Roundtrip
found 19 hours ago
FLL
Fort Lauderdale - Hollywood Intl.
BLV
MidAmerica-St. Louis
$78 Roundtrip, found 18 hours ago
$78
Roundtrip
found 18 hours ago
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| BNA | St. Louis | November 4 to November 9 | $117 |
| CLE | St. Louis | November 9 to November 11 | $119 |
| DFW | St. Louis | November 4 to November 9 | $163 |
| AUS | St. Louis | November 18 to November 21 | $182 |
| PGD | Mascoutah | December 24 to January 4 | $202 |
| ORF | St. Louis | November 23 to December 2 | $208 |
| DFW | Scott City | October 21 to October 26 | $262 |
| BNA | West Paducah | October 16 to October 21 | $313 |
| RSW | St. Louis | October 27 to October 29 | $337 |
| DFW | West Paducah | October 15 to October 22 | $343 |
| PVD | St. Louis | November 23 to November 23 | $344 |
| ORF | Marion | November 27 to December 5 | $556 |
| ORF | West Paducah | October 13 to October 20 | $667 |
| PVD | West Paducah | October 17 to October 25 | $872 |
| BNA | Scott City | October 27 to November 9 | $1,133 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| CLE | St. Louis | October 11 to October 15 | $304 |
| DFW | St. Louis | October 9 to October 11 | $336 |
| DFW | Scott City | October 11 to October 26 | $394 |
| ORF | St. Louis | October 9 to October 12 | $515 |
| AUS | St. Louis | October 9 to November 13 | $521 |
| DCA | St. Louis | October 11 to October 13 | $522 |
| CLT | St. Louis | October 9 to October 11 | $581 |
| RSW | St. Louis | October 9 to October 17 | $677 |
| BNA | St. Louis | October 10 to October 12 | $870 |
Southwest Illinois Flight Information
Traveling to | Southwest Illinois |
|---|---|
Lowest Price | $53 |
Number of Airlines Serving | |
Airlines Serving | Frontier Airlines, Allegiant Air |
Number of Daily Flights | |
Airlines with Direct Flights |
Find The Perfect Hotel For After Your Flight
Amazing Southwest Illinois Accommodation Deals
Motel 6 Caseyville, IL - Caseyville Il
2431 Old Country Inn Dr Caseyville IL
$59 nightly
The price is $67 total per night from Oct 6 to Oct 7
$67 total
Oct 6 - Oct 7
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 (1,006 reviews)
"Room was clean, bed was comfortable, water pressure in the shower was more like a waterfall, and the smart TV wasn't smart 😕.... I stay here frequently and the staff is always very nice, so I didn't mind."
Reviewed on Sep 30, 2026
Super 8 by Wyndham Marion
2601 Vernell Rd Marion IL
$67 nightly
The price is $80 total per night from Oct 5 to Oct 6
$80 total
Oct 5 - Oct 6
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! (1,000 reviews)
"Air conditioning worked parking was fine and the staff was really great ! Our rooms had new towels and beds was made and when I asked for towels and new keys I got them without a problem ! Thank u guys again I book here everytime I come back home !"
Reviewed on Sep 29, 2026
Americas Best Value Inn West Frankfort
1001 Factory Outlet Blvd West Frankfort IL
$68 nightly
The price is $75 total per night from Oct 4 to Oct 5
$75 total
Oct 4 - Oct 5
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! (538 reviews)
"Room was great sleep real good"
Reviewed on Sep 28, 2026
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Super 8 by Wyndham Belleville St. Louis Area
600 East Main Street Belleville IL
$65 nightly
The price is $74 total per night from Nov 1 to Nov 2
$74 total
Nov 1 - Nov 2
Total with taxes and fees
Book a stay at this business-friendly hotel in Belleville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
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 Southwest Illinois
Super 8 by Wyndham Troy IL/St. Louis Area
910 Edwardsville Rd Troy IL
$64 nightly
The price is $71 total per night from Oct 8 to Oct 9
$71 total
Oct 8 - Oct 9
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)
"Walls had obvious fist marks indented in them, even though the beds were made and towles desplayed nicely they both had obvious blood spots on them, bed could easily be pushed off the frame, dust/dirt in every corner of the room, shoer curtain had mold spots. Questionable if the room had even been ..."
Reviewed on Sep 27, 2026
Super 8 by Wyndham Mt. Vernon IL
401 S 44th St Mount Vernon IL
$66 nightly
The price is $75 total per night from Oct 4 to Oct 5
$75 total
Oct 4 - Oct 5
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 ...
Super 8 by Wyndham Carbondale
1180 E Main St Carbondale IL
$65 nightly
The price is $75 total per night from Oct 29 to Oct 30
$75 total
Oct 29 - Oct 30
Total with taxes and fees
Book a stay at this business-friendly motel in Carbondale. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
Save an average of 15% on thousands of hotels when you're signed in
Super 8 by Wyndham O'Fallon
1100 Eastgate Dr O'Fallon IL
$54 nightly
The price is $63 total per night from Oct 13 to Oct 14
$63 total
Oct 13 - Oct 14
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 and the clean ...
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 Southwest Illinois
Country Inn & Suites by Radisson, Marion, IL
1306 Halfway Road Marion IL
$90 nightly
The price is $108 total per night from Nov 1 to Nov 2
$108 total
Nov 1 - Nov 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 ...
8.6/10 Excellent! (1,000 reviews)
"This is an excellent hotel to stay at. Updated, easy parking, staff is very friendly, breakfast is great, will stay at this hotel again."
Reviewed on Sep 27, 2026
Drury Plaza Hotel Mt. Vernon
145 North 44th Street Mount Vernon IL
$111 nightly
The price is $125 total per night from Oct 11 to Oct 12
$125 total
Oct 11 - Oct 12
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 ...
9.8/10 Exceptional! (1,820 reviews)
"Fantastic hotel!! I will definitely stay again!!"
Reviewed on Oct 1, 2026
Comfort Inn & Suites O'Fallon - St. Louis Area
116 Regency Park O'Fallon IL
$63 nightly
The price is $72 total per night from Oct 25 to Oct 26
$72 total
Oct 25 - Oct 26
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 (198 reviews)
"This place is OK if you just need a night's rest from traveling. There are no black out curtains so if you need to sleep in, good luck. The elevator is on the frits and felt rather unsafe. They need to work on creating an appetizing breakfast. I skipped that. The room was clean and the bed was comfortable. ..."
Reviewed on Sep 26, 2026
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Best Western Troy Hotel
2020 Formosa Drive Troy IL
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 ...
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 Southwest Illinois Flight and Hotel Packages
Southwest Illinois flight + hotel packages - economy flights
Price found within the past 48 hours. Click for updated prices.
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See all available trips from Baltimore to Southwest Illinois
View all tripsSouthwest Illinois flight + hotel packages - first class flights
Price found within the past 48 hours. Click for updated prices.
Don't see what you're looking for?
See all available trips from Newark Liberty Intl. Airport to Southwest Illinois
View all tripsNeed a Car For After Your Flight?
Mini Van
Saint Louis, Missouri, USA
$67
$207 total
found 3 days ago
Economy
Saint Louis, Missouri, USA
$69
$212 total
found 3 days ago
Compact
Saint Louis, Missouri, USA
$69
$212 total
found 3 days ago
Midsize
Saint Louis, Missouri, USA
$70
$215 total
found 3 days ago
Lowest prices found within the past 3 days. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Plane Tickets To Southwest 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 Southwest Illinois. Browse through our inventory to explore a wide range of cheap flights to Southwest 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 Southwest Illinois as you anxiously await to exit the plane and explore what Southwest Illinois has to offer. Considering all the amazing local food and culture in Southwest 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 Southwest 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 Southwest 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 Southwest 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 Southwest Illinois today!