$517 Cheap Flights from St. Louis (STL) to Ljubljana (LJU)

View $517 flight on Sun, May 3, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Joze Pucnik Airport (LJU)

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Cheap Flights from St. Louis to Ljubljana (STL-LJU)

Prices were available within the past 7 days and start at $517 for one-way flights and $715 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 19 - Wed, Nov 26
STL
St. Louis
LJU
Ljubljana
$715 Roundtrip, found 6 days ago
$715
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 19 from St. Louis to Ljubljana, returning Wed, Nov 26, priced at $715 found 6 days ago
United
Wed, Nov 19 - Thu, Nov 27
STL
St. Louis
LJU
Ljubljana
$722 Roundtrip, found 6 days ago
$722
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 19 from St. Louis to Ljubljana, returning Thu, Nov 27, priced at $722 found 6 days ago
Air Canada
Tue, Nov 18 - Thu, Nov 27
STL
St. Louis
LJU
Ljubljana
$722 Roundtrip, found 6 days ago
$722
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Nov 18 from St. Louis to Ljubljana, returning Thu, Nov 27, priced at $722 found 6 days ago
Delta
Thu, Aug 14 - Tue, Aug 26
STL
St. Louis
LJU
Ljubljana
$741 Roundtrip, found 5 days ago
$741
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 14 from St. Louis to Ljubljana, returning Tue, Aug 26, priced at $741 found 5 days ago
Lufthansa
Sat, Nov 22 - Tue, Dec 2
STL
St. Louis
LJU
Ljubljana
$754 Roundtrip, found 6 days ago
$754
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sat, Nov 22 from St. Louis to Ljubljana, returning Tue, Dec 2, priced at $754 found 6 days ago
United
Sun, Aug 10 - Tue, Aug 26
STL
St. Louis
LJU
Ljubljana
$766 Roundtrip, found 5 days ago
$766
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 10 from St. Louis to Ljubljana, returning Tue, Aug 26, priced at $766 found 5 days ago
Air Canada
Wed, Nov 5 - Sun, Nov 9
STL
St. Louis
LJU
Ljubljana
$766 Roundtrip, found 5 days ago
$766
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Nov 5 from St. Louis to Ljubljana, returning Sun, Nov 9, priced at $766 found 5 days ago
United
Wed, Aug 13 - Tue, Aug 26
STL
St. Louis
LJU
Ljubljana
$770 Roundtrip, found 5 days ago
$770
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 13 from St. Louis to Ljubljana, returning Tue, Aug 26, priced at $770 found 5 days ago
Delta
Mon, Sep 1 - Fri, Sep 19
STL
St. Louis
LJU
Ljubljana
$771 Roundtrip, found 5 days ago
$771
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Sep 1 from St. Louis to Ljubljana, returning Fri, Sep 19, priced at $771 found 5 days ago
British Airways
Sun, May 3 - Tue, May 19
STL
St. Louis
LJU
Ljubljana
$816 Roundtrip, found 2 days ago
$816
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, May 3 from St. Louis to Ljubljana, returning Tue, May 19, priced at $816 found 2 days ago
Flights from St. Louis (STL) to Ljubljana (LJU)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Joze Pucnik
Airlines serving
Air France, British Airways, Brussels Airlines, Delta, KLM, Lufthansa, Turkish Airlines
Roundtrip price
$715
Distance
4954 mi

St. Louis to Ljubljana Flights

The cheapest times to fly from St. Louis to Ljubljana

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

 

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

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

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 Ljubljana in 2025. You can also book with separate airlines for your outbound and return journeys, from $517 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 Ljubljana 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 Ljubljana 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU) cost?
Discover the latest flight deals from STL to LJU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to LJU?
The cheapest flights from STL to LJU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to LJU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to LJU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU)?
There are no daily direct flights from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from STL to LJU?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the season and airline.*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 Joze Pucnik Airport (LJU)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**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 Joze Pucnik Airport (LJU) last-minute?
Booking your flight from STL to LJU shortly before your trip is generally more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a STL to LJU flight and hotel package?
You'll generally save money by securing a STL to LJU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU)?
It's usually possible to reschedule or cancel your STL to LJU flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.