Cheap Flights to Clinton County from $61 (2026/2027)

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Union Station historical building facade view in Union Square Park

Centralia

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Centralia
Carlyle Lake Bike Path Illinois

Carlyle

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Carlyle

How Much Does it Cost To Fly To Clinton County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Jun 11 - Thu, Jun 11
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$62 Roundtrip, found 3 days ago
$62
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Jun 11 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, Jun 11, priced at $62 found 3 days ago
Wed, Aug 19 - Tue, Aug 25
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$66 Roundtrip, found 4 days ago
$66
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $66 found 4 days ago
Sat, Jun 20 - Tue, Jun 23
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$109 Roundtrip, found 2 days ago
$109
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Jun 20 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 23, priced at $109 found 2 days ago
Sat, Jul 4 - Sat, Jul 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 2 days ago
$120
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jul 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jul 25, priced at $120 found 2 days ago
Mon, Jul 20 - Wed, Jul 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$130 Roundtrip, found 1 day ago
$130
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Mon, Jul 20 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jul 22, priced at $130 found 1 day ago
Thu, Aug 20 - Sun, Aug 23
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Aug 20 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sun, Aug 23, priced at $221 found 1 day ago
Fri, Sep 18 - Mon, Sep 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$237 Roundtrip, found 20 hours ago
$237
Roundtrip
found 20 hours ago
Select United flight, departing Fri, Sep 18 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Sep 21, priced at $237 found 20 hours ago
Wed, Jul 29 - Wed, Aug 5
DAL
Love Field
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 11 hours ago
$261
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Wed, Jul 29 from Love Field to Lambert-St. Louis Intl., returning Wed, Aug 5, priced at $261 found 11 hours ago
OriginDestinationTravel DatesFlights From*
DENSt. LouisAugust 4 to August 6$124
DFWSt. LouisAugust 12 to August 16$128
LAXSt. LouisAugust 18 to August 20$242
ATLDecaturJune 20 to July 10$291
EWRSpringfieldJune 19 to June 23$406
ATLSpringfieldAugust 12 to August 18$411
PHLDecaturAugust 1 to August 2$418
DFWSpringfieldJuly 28 to August 4$419
TPASpringfieldJuly 18 to July 20$505
EWRDecaturJune 19 to June 23$553
DENMarionJune 16 to June 19$567
LGASpringfieldJune 17 to June 21$574
LAXSpringfieldJune 13 to June 20$579
SEAMarionJuly 4 to July 10$704
LAXMarionJune 18 to June 22$720
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LAXSt. LouisMay 30 to June 5$273
EWRSt. LouisMay 30 to August 15$275
TTNSt. LouisMay 30 to June 1$308
LGASt. LouisMay 29 to August 15$308
TPASt. LouisMay 30 to May 31$363
ATLDecaturMay 29 to May 31$363
ATLSt. LouisMay 30 to May 31$385
DFWSt. LouisMay 31 to June 2$389
DENSt. LouisMay 31 to June 4$423
SEASt. LouisMay 30 to May 31$431
*Prices include taxes and fees

Best Clinton County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Jul 27 - Jul 30

3 night stay

Phoenix (PHX) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Phoenix (PHX)

Frontier Airlines • Coach
Price was $660, price is now $465 per person
$465
per person
found 21 hours ago
The Principal Hotel
3.5-star property

The Principal Hotel

Aug 1 - Aug 8

7 night stay

Washington (WAS) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Washington (WAS)

Frontier Airlines • Coach
Price was $791, price is now $596 per person
$596
per person
found 1 day ago
21C Museum Hotel St Louis
4.5-star property

21C Museum Hotel St Louis

Aug 1 - Aug 8

7 night stay

Washington (WAS) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Washington (WAS)

Frontier Airlines • Coach
Price was $1,046, price is now $793 per person
$793
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Phoenix to Clinton County
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Travelers ❤️ These Clinton County 🏨

Drury Inn & Suites St. Louis Fairview Heights

Drury Inn & Suites St. Louis Fairview Heights

3 out of 5
12 Ludwig Dr Fairview Heights IL
Book a stay at this business-friendly hotel in Fairview Heights. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions St. Claire Square Mall and Stonewolf Golf Course are located nearby.
9.2/10 Wonderful! (1,001 reviews)
"Breakfast normally has one of the best offerings of a hotel breakfast, but this trip the hot breakfast had mostly empty bowls showing signs of lack of attention by staff. After fresh food was delivered, it looked like a pack of wild animals attacking prey. Would atay again but have back up breakfast ..."

Reviewed on May 20, 2026

Opens in a new windowDrury Inn & Suites St. Louis Fairview Heights
Drury Plaza Hotel Mt. Vernon

Drury Plaza Hotel Mt. Vernon

3.5 out of 5
145 North 44th Street  Mount Vernon IL
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 staff in our reviews. Popular attractions King City Square Shopping Center and Veterans Memorial Park are located nearby.
9.6/10 Exceptional! (1,687 reviews)
"Very clean, Comfortable beds, and a great breakfast"

Reviewed on May 23, 2026

Opens in a new windowDrury Plaza Hotel Mt. Vernon
Super 8 by Wyndham O'Fallon

Super 8 by Wyndham O'Fallon

2 out of 5
1100 Eastgate Dr O'Fallon IL
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 rooms in our reviews. Popular attractions O'Fallon Family Sports Park and The Russel E. and Fern M. Hettenhausen Center for the Arts are located nearby.
6.8/10 (1,010 reviews)
"Good thing my standards are fairly low or I would’ve left. Even with that, I’m not sure who these people are leaving exceptional reviews? The stench of sex wants to make you gag! Believe me…. I’ve been known to sleep on a picnic table it the mountains in Wyoming to wake up at 3 am freezing because ..."

Reviewed on May 23, 2026

Opens in a new windowSuper 8 by Wyndham O'Fallon
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Drury Inn & Suites St. Louis O'Fallon, IL

Drury Inn & Suites St. Louis O'Fallon, IL

3 out of 5
1118 Central Park Drive O'Fallon IL
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions O'Fallon Family Sports Park and St. Clair Bowl are located nearby.
9.6/10 Exceptional! (1,004 reviews)
"Every thing was great!"

Reviewed on May 23, 2026

Opens in a new windowDrury Inn & Suites St. Louis O'Fallon, 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.

Frequently asked questions

How much is the cheapest flight to Clinton County?
To give you an idea of fares, the cheapest roundtrip flight to Clinton County was $62 during the last seven days. A great way to score a good deal is to be flexible with your dates. This price was available on Travelocity for flights to Clinton County departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to Clinton County?
Put together your itinerary and then travel with any of the 15 airline companies that operate flights to Clinton County. Secure a seat with the popular carrier, Southwest Airlines. It offers around 2,448 flights per month to New Baden, Clinton County's primary city, so finding the right fare should be easy.
What is the cheapest month to fly to Clinton County?
Spend more money on grand adventures and less on airline tickets by hopping on a plane to Clinton County in June. This is the best-priced month to travel to this destination according to Travelocity's direct return flight demand between January and December last year. Browse through our list of flights and enjoy a change of scenery without hurting your budget.
How can I check my flight status to Clinton County?
Check for updates on your flight to Clinton County, make changes and more from our useful "Trips" portal. Found at the top of our homepage, it's your gateway to viewing your bookings. All you need to do is sign in or open a new account. Savvy adventurers can also take advantage of the Travelocity app. You'll get real-time trip updates, as well as the ability to find deals on hotels, flights and rental cars while you're out and about. If you have family flying with you, it's also a quick way to share your travel itinerary with each other.
How do I find the best deals on flights to Clinton County?
It's always good to book ahead of schedule, and if you can, avoid flying during high season. Another smart way to save is by hitting the "Flexible dates" box at the top of the page after searching for your flights. This lets you compare fares for nearby days. In the last seven days, the lowest price for a return flight to Clinton County was $62. 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 Clinton County with Travelocity?
If you're hunting for cheap flights to Clinton County, you'll come across some tempting deals with Travelocity. From cheap family flights with budget airlines to flexible ticket options, we've got your back. Enjoy a worry-free break with our 24/7 social media customer support, Price Match Guarantee and free cancellation policies with most hotels. Start planning your travel agenda and prepare to hop on a plane to this fabulous destination.
What are the most popular flight routes to Clinton County?
As a favorite destination, it's a cinch to find flights to Clinton County. Check out this list of popular routes:

  • Fort Walton Beach, FL (VPS-Northwest Florida Regional) to MidAmerica-St. Louis Airport (BLV) - 73 flights a month.
  • Charleston, SC (CHS-Charleston Intl.) to MidAmerica-St. Louis Airport (BLV) - 26 flights a month.
  • St. Petersburg, FL (PIE-St. Petersburg-Clearwater Intl.) to MidAmerica-St. Louis Airport (BLV) - 21 flights a month.

How much is a flight to Clinton County on average?
Roundtrip flights to Clinton County on our site cost between $62 and $720 in the last seven days. If you spot an airfare that matches your budget, act quickly. Cheap deals don't hang about for long! These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Clinton County?
The length of a direct flight to Clinton County can vary, but here you can browse the average airborne times for some top routes:

  • Fort Walton Beach, FL (VPS-Northwest Florida Regional) to MidAmerica-St. Louis Airport (BLV) - 1 hour and 44 minutes
  • Charleston, SC (CHS-Charleston Intl.) to MidAmerica-St. Louis Airport (BLV) - 1 hour and 51 minutes
  • St. Petersburg, FL (PIE-St. Petersburg-Clearwater Intl.) to MidAmerica-St. Louis Airport (BLV) - 2 hours and 8 minutes

What can I expect on a flight to Clinton County?
The time your flight takes and whether you go with a low-cost or full-service airline will mostly determine this. If you're seeking long-haul flights to Clinton County, entertainment, food and drinks should be standard inclusions. Interested in cheap flights for family vacations? You'll find great deals with budget carriers. Typically, these airlines don't have as many inclusions, or they'll be available as add-ons.