Cheap Flights to Clinton County from $29

View $29 flight on Sat, Feb 28, 2026Opens in a new window

Popular airlines to Clinton County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

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How much is the cheapest flight to Clinton County?

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Jan 31 - Wed, Feb 4
DEN
Denver
STL
St. Louis
$58 Roundtrip, found 1 hour ago
$58
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jan 31 from Denver to St. Louis, returning Wed, Feb 4, priced at $58 found 1 hour ago
Frontier Airlines
Sat, Jan 31 - Sat, Feb 7
CLE
Cleveland
STL
St. Louis
$128 Roundtrip, found 13 hours ago
$128
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Sat, Jan 31 from Cleveland to St. Louis, returning Sat, Feb 7, priced at $128 found 13 hours ago
Southwest Airlines
Wed, Feb 11 - Sat, Feb 21
DEN
Denver
STL
St. Louis
$157 Roundtrip, found 7 hours ago
$157
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Wed, Feb 11 from Denver to St. Louis, returning Sat, Feb 21, priced at $157 found 7 hours ago
United
Wed, Feb 11 - Sat, Feb 21
DEN
Denver
STL
St. Louis
$157 Roundtrip, found 7 hours ago
$157
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Feb 11 from Denver to St. Louis, returning Sat, Feb 21, priced at $157 found 7 hours ago
Delta
Wed, Feb 18 - Sat, Feb 28
DEN
Denver
STL
St. Louis
$177 Roundtrip, found 7 hours ago
$177
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Feb 18 from Denver to St. Louis, returning Sat, Feb 28, priced at $177 found 7 hours ago
American Airlines
Sat, Jan 17 - Sat, Jan 17
CLE
Cleveland
STL
St. Louis
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 17 from Cleveland to St. Louis, returning Sat, Jan 17, priced at $179 found 2 days ago
United
Sat, Jan 31 - Mon, Feb 2
CLE
Cleveland
DEC
Decatur
$245 Roundtrip, found 14 hours ago
$245
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Jan 31 from Cleveland to Decatur, returning Mon, Feb 2, priced at $245 found 14 hours ago
United
Sat, Feb 14 - Tue, Feb 17
DEN
Denver
DEC
Decatur
$264 Roundtrip, found 5 days ago
$264
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 14 from Denver to Decatur, returning Tue, Feb 17, priced at $264 found 5 days ago
Air Canada
Fri, Apr 24 - Sun, Apr 26
YHM
Hamilton
STL
St. Louis
$341 Roundtrip, found 1 day ago
$341
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Apr 24 from Hamilton to St. Louis, returning Sun, Apr 26, priced at $341 found 1 day ago
Alaska Airlines
Thu, Feb 26 - Sun, Mar 1
DEN
Denver
STL
St. Louis
$363 Roundtrip, found 15 hours ago
$363
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Thu, Feb 26 from Denver to St. Louis, returning Sun, Mar 1, priced at $363 found 15 hours ago

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Clinton County Flights Information

Airlines serving
Frontier Airlines, Southwest Airlines, Delta, American Airlines, United, Alaska Airlines, Air Canada
Roundtrip price
from $58

Frequently asked questions

How do I find cheap flights to Clinton County that have flexible change policies?
When it comes to traveling these days, flexibility is essential. That's why we've added a "No change fee" filter to help you locate flexible, low-cost tickets to Clinton County. It's at the top left of your screen directly below the "Flexible change policies" subheading.
Which airlines fly to Clinton County?
Let Allegiant Air get you there. This well-known carrier runs 125 flights a month to MidAmerica-St. Louis Airport (BLV), a Clinton County gateway.
How can I find cheap tickets to Clinton County?
In the last seven days, $58 was the best price for a flight to Clinton County. For an even cheaper fare, book well in advance and be flexible with your dates. Search for your journey to Clinton County, then compare prices for similar time frames by clicking on our "flexible dates" link.
How much is a flight to Clinton County?
In the last seven days, round-trip airfares to Clinton County sold from just $58 and reached a maximum of $363. For one-way trips taking off from Denver (DEN), the lowest amount paid during this time was $29.
What are the most popular airports to fly into in Clinton County?
Start planning your Clinton County journey by securing a seat on one of the 125 flights each month to MidAmerica-St. Louis Airport (BLV). This is the region's main entry point.
When is the cheapest time to fly to Clinton County?
Depart for Clinton County early in the week and you'll usually be rewarded with cheaper fares. Tuesday is generally the cheapest day to hop on a plane, followed closely by Monday. If you'd like to avoid the most expensive flights, keep clear of Saturdays.
How much is a plane ticket to Clinton County?
In the last seven days, fares to Clinton County ranged between $58 and $363. Prices tend to rise over time, so pick up a great deal today.
What months are the cheapest to book a flight to Clinton County?
February is the ideal month to get your hands on a bargain fare to Clinton County. Keep in mind that the most expensive time to book in the USA isn't during the height of summer, but the month of December.
How long is a flight to Clinton County?
Your flight to Clinton County could be short or long depending on where you depart from. Before you load your tablet with movies and TV shows, check out the average flight times for these popular domestic routes:

  • Fort Walton Beach, FL (VPS-Northwest Florida Regional) to MidAmerica-St. Louis Airport (BLV) - 1 hour and 44 minutes
  • Punta Gorda Airport (PGD) to MidAmerica-St. Louis Airport (BLV) - 2 hours and 24 minutes
  • St. Petersburg, FL (PIE-St. Petersburg-Clearwater Intl.) to MidAmerica-St. Louis Airport (BLV) - 2 hours and 13 minutes

What is the best time to go to Clinton County?
If you want to discover Clinton County's leading city when it's buzzing, go to New Baden sometime during March, July and September. Similar to most locations in the Northern Hemisphere, summertime here starts June 20, with temperatures ranging between 65ºF and 85ºF.

Trending flights to Clinton County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Jan 23 - Tue, Jan 27
MCO
Orlando
STL
St. Louis
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jan 23 from Orlando to St. Louis, returning Tue, Jan 27, priced at $58 just found
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