American White Pelican coming in for a landing, Clinton County, Illinois.

Flight to Clinton County

View S$302 flight on Fri, 7 Aug, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Clinton County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Clinton County

Prices were available within the past 7 days and start at S$302 for one-way flights and S$602 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 7 Aug - Fri, 14 Aug
BOI
Boise
STL
St. Louis
S$602 Return, found 1 day ago
S$602
Return
found 1 day ago
Select Delta flight, departing Fri, 7 Aug from Boise to St. Louis, returning Fri, 14 Aug, priced at S$602 found 1 day ago
American Airlines
Sat, 25 Jul - Sat, 1 Aug
CLD
Carlsbad
STL
St. Louis
S$709 Return, found 1 day ago
S$709
Return
found 1 day ago
Select American Airlines flight, departing Sat, 25 Jul from Carlsbad to St. Louis, returning Sat, 1 Aug, priced at S$709 found 1 day ago
United
Fri, 7 Aug - Fri, 14 Aug
BOI
Boise
STL
St. Louis
S$718 Return, found 1 day ago
S$718
Return
found 1 day ago
Select United flight, departing Fri, 7 Aug from Boise to St. Louis, returning Fri, 14 Aug, priced at S$718 found 1 day ago
EVA Airways
Sat, 17 Oct - Sat, 5 Dec
BKK
Bangkok
STL
St. Louis
S$1,539 Return, found 1 day ago
S$1,539
Return
found 1 day ago
Select EVA Airways flight, departing Sat, 17 Oct from Bangkok to St. Louis, returning Sat, 5 Dec, priced at S$1,539 found 1 day ago
Air Canada
Thu, 15 Oct - Tue, 3 Nov
SIN
Singapore
STL
St. Louis
S$1,683 Return, found 5 days ago
S$1,683
Return
found 5 days ago
Select Air Canada flight, departing Thu, 15 Oct from Singapore to St. Louis, returning Tue, 3 Nov, priced at S$1,683 found 5 days ago
Japan Airlines
Fri, 26 Jun - Fri, 10 Jul
SIN
Singapore
STL
St. Louis
S$1,705 Return, found 19 hours ago
S$1,705
Return
found 19 hours ago
Select Japan Airlines flight, departing Fri, 26 Jun from Singapore to St. Louis, returning Fri, 10 Jul, priced at S$1,705 found 19 hours ago
Air Canada
Tue, 3 Nov - Sun, 22 Nov
SIN
Singapore
STL
St. Louis
S$1,715 Return, found 5 days ago
S$1,715
Return
found 5 days ago
Select Air Canada flight, departing Tue, 3 Nov from Singapore to St. Louis, returning Sun, 22 Nov, priced at S$1,715 found 5 days ago
Cathay Pacific
Mon, 31 Aug - Sun, 6 Sept
SIN
Singapore
STL
St. Louis
S$1,812 Return, found 3 days ago
S$1,812
Return
found 3 days ago
Select Cathay Pacific flight, departing Mon, 31 Aug from Singapore to St. Louis, returning Sun, 6 Sept, priced at S$1,812 found 3 days ago
Qatar Airways
Thu, 1 Oct - Sat, 31 Oct
SIN
Singapore
STL
St. Louis
S$1,897 Return, found 1 day ago
S$1,897
Return
found 1 day ago
Select Qatar Airways flight, departing Thu, 1 Oct from Singapore to St. Louis, returning Sat, 31 Oct, priced at S$1,897 found 1 day ago
Lufthansa
Sat, 17 Oct - Sat, 5 Dec
BKK
Bangkok
STL
St. Louis
S$1,916 Return, found 1 day ago
S$1,916
Return
found 1 day ago
Select Lufthansa flight, departing Sat, 17 Oct from Bangkok to St. Louis, returning Sat, 5 Dec, priced at S$1,916 found 1 day ago

Trending flights to Clinton County

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

Air Canada
Thu, 15 Oct - Tue, 3 Nov
SIN
Singapore
STL
St. Louis
S$1,683 Return, found 5 days ago
S$1,683
Return
found 5 days ago
Select Air Canada flight, departing Thu, 15 Oct from Singapore to St. Louis, returning Tue, 3 Nov, priced at S$1,683 found 5 days ago

Frequently asked questions

How do I find cheap flights to Clinton County that have flexible change policies?
When it comes to travelling 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, S$602 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 S$602 and reached a maximum of S$1,916. For one-way trips taking off from Boise (BOI), the lowest amount paid during this time was S$302.
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 S$602 and S$1,916. Prices tend to rise over time, so pick up a great deal today.
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 18ºC and 29ºC.
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.

Book with confidence

Expedia offers flights to Clinton County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Clinton County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Travel information

Clinton County Flights Information

Airlines serving
Delta, United, American Airlines, Philippine Airlines, Qatar Airways, Air Canada, Cathay Pacific, Japan Airlines, EVA Airways, Lufthansa
Roundtrip price
from S$602
Clinton County Flights Information
*Available to Expedia members.