Cheap Flights from St. Louis (STL) to Kalmar (KLR)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Kalmar (KLR)

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Kalmar Airport (KLR) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Kalmar Airport (KLR) 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 Kalmar Airport (KLR)?
Planning your trip for can help you save, as it's the cheapest month for flights between STL and KLR. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Kalmar Airport (KLR)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to KLR flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Kalmar Airport (KLR)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Kalmar Airport (KLR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to KLR?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Kalmar Airport (KLR)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Kalmar Airport (KLR) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Kalmar Airport (KLR) last-minute?
Last-minute bookings from STL to KLR are generally more expensive. To secure the lowest prices, start looking for flights early. That being said, if your travel plans are flexible, you may score a cheap ticket right before you leave.
Is it cheaper to book a STL to KLR flight and hotel package?
You can save money by securing a STL to KLR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Kalmar Airport (KLR)?
In most cases, you can cancel or modify your STL to KLR flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Kalmar
Distance
4588 mi

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St. Louis to Kalmar Flights

The cheapest times to fly from St. Louis to Kalmar

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 Kalmar are during the month of . You can find some of the cheapest flights from St. Louis to Kalmar with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Kalmar: 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 Kalmar

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 Kalmar 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 Kalmar 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 Kalmar 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 Kalmar Flights

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*Available to One Key members.