$459 Cheap Flights from St. Louis (STL) to Ljubljana (LJU)

View $459 flight on Tue, Dec 2, 2025Opens 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 $459 for one-way flights and $542 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Nov 15 - Wed, Nov 26
STL
St. Louis
LJU
Ljubljana
$542 Roundtrip, found 1 day ago
$542
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from St. Louis to Ljubljana, returning Wed, Nov 26, priced at $542 found 1 day ago
Air Canada
Wed, Nov 19 - Wed, Nov 26
STL
St. Louis
LJU
Ljubljana
$547 Roundtrip, found 1 day ago
$547
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 19 from St. Louis to Ljubljana, returning Wed, Nov 26, priced at $547 found 1 day ago
United
Sat, Nov 15 - Thu, Nov 27
STL
St. Louis
LJU
Ljubljana
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from St. Louis to Ljubljana, returning Thu, Nov 27, priced at $549 found 1 day ago
Lufthansa
Fri, Nov 14 - Wed, Nov 19
STL
St. Louis
LJU
Ljubljana
$551 Roundtrip, found 1 day ago
$551
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Nov 14 from St. Louis to Ljubljana, returning Wed, Nov 19, priced at $551 found 1 day ago
United
Sat, Nov 15 - Tue, Nov 25
STL
St. Louis
LJU
Ljubljana
$552 Roundtrip, found 1 day ago
$552
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from St. Louis to Ljubljana, returning Tue, Nov 25, priced at $552 found 1 day ago
Air Canada
Wed, Nov 19 - Wed, Nov 26
STL
St. Louis
LJU
Ljubljana
$553 Roundtrip, found 1 day ago
$553
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 19 from St. Louis to Ljubljana, returning Wed, Nov 26, priced at $553 found 1 day ago
Air Canada
Wed, Nov 19 - Wed, Nov 26
STL
St. Louis
LJU
Ljubljana
$555 Roundtrip, found 1 day ago
$555
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 19 from St. Louis to Ljubljana, returning Wed, Nov 26, priced at $555 found 1 day ago
Air Canada
Tue, Dec 2 - Thu, Jan 15
STL
St. Louis
LJU
Ljubljana
$557 Roundtrip, found 1 day ago
$557
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Dec 2 from St. Louis to Ljubljana, returning Thu, Jan 15, priced at $557 found 1 day ago
British Airways
Wed, May 20 - Fri, Jun 19
STL
St. Louis
LJU
Ljubljana
$1,098 Roundtrip, just found
$1,098
Roundtrip
just found
Select British Airways flight, departing Wed, May 20 from St. Louis to Ljubljana, returning Fri, Jun 19, priced at $1,098 just found
Finnair
Fri, Aug 14 - Mon, Aug 24
STL
St. Louis
LJU
Ljubljana
$1,135 Roundtrip, found 6 days ago
$1,135
Roundtrip
found 6 days ago
Select Finnair flight, departing Fri, Aug 14 from St. Louis to Ljubljana, returning Mon, Aug 24, priced at $1,135 found 6 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU) cost?
Get a cheap one-way flight from $459 or cheap return flight from $542 from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU)?
Flying in November can help you save, as it's the cheapest month for flights between STL and LJU. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Joze Pucnik Airport (LJU)?
To find the cheapest airline that'll fly you from STL to LJU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
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.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Joze Pucnik
Airlines serving
British Airways, Delta, Finnair, KLM, Lufthansa, Turkish Airlines
Roundtrip price
$542
Distance
4954 mi

Book with confidence

Book with confidence

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 $459 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.

 

St. Louis to Ljubljana Flights

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*Available to One Key members.