Cheap Flights from St. Louis (STL) to Clinton (CWI)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal)

Alternative airports near Clinton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Quad City Intl. MLI. Cheapest option available. Average driving time to city center is 55 minutes. Flights from $284
MLI
Quad City Intl.
Cheapest
Average driving time to city center55 min
Flights from $284

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal)?
is the most affordable month to fly from STL to CWI. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to CWI flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to CWI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal) last-minute?
Last-minute bookings from STL to CWI are generally more expensive. To lock in the lowest prices, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a STL to CWI flight and hotel package?
Opting for a STL to CWI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Clinton, IA (CWI-Clinton Municipal)?
If you reserved your STL to CWI flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Clinton Municipal
Distance
213 mi

Book with confidence

Book with confidence

St. Louis to Clinton Flights

The cheapest times to fly from St. Louis to Clinton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Clinton are during the month of . You can find some of the cheapest flights from St. Louis to Clinton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Clinton

Sunday is one of the best days to book for cheap flights from St. Louis to Clinton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Clinton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Clinton in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Clinton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Clinton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Clinton Flights

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Explore a world of travel with Expedia

*Available to One Key members.