$773 Cheap Flights from Cluj-Napoca (CLJ) to St. Louis (STL)

View $773 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from Cluj-Napoca (CLJ) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Cluj-Napoca to St. Louis (CLJ-STL)

Prices were available within the past 7 days and start at $773 for one-way flights and $733 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Nov 12 - Fri, Nov 28
CLJ
Cluj-Napoca
STL
St. Louis
$733 Roundtrip, found 1 day ago
$733
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov 12 from Cluj-Napoca to St. Louis, returning Fri, Nov 28, priced at $733 found 1 day ago
United
Tue, Oct 28 - Sat, Nov 8
CLJ
Cluj-Napoca
STL
St. Louis
$737 Roundtrip, found 2 hours ago
$737
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 28 from Cluj-Napoca to St. Louis, returning Sat, Nov 8, priced at $737 found 2 hours ago
United
Wed, Nov 5 - Tue, Nov 18
CLJ
Cluj-Napoca
STL
St. Louis
$739 Roundtrip, found 3 hours ago
$739
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Nov 5 from Cluj-Napoca to St. Louis, returning Tue, Nov 18, priced at $739 found 3 hours ago
United
Wed, Nov 19 - Wed, Dec 10
CLJ
Cluj-Napoca
STL
St. Louis
$739 Roundtrip, found 2 hours ago
$739
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Nov 19 from Cluj-Napoca to St. Louis, returning Wed, Dec 10, priced at $739 found 2 hours ago
United
Sat, Nov 8 - Sun, Nov 23
CLJ
Cluj-Napoca
STL
St. Louis
$741 Roundtrip, found 3 hours ago
$741
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Nov 8 from Cluj-Napoca to St. Louis, returning Sun, Nov 23, priced at $741 found 3 hours ago
United
Sat, Dec 13 - Wed, Dec 31
CLJ
Cluj-Napoca
STL
St. Louis
$742 Roundtrip, found 3 hours ago
$742
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Dec 13 from Cluj-Napoca to St. Louis, returning Wed, Dec 31, priced at $742 found 3 hours ago
Lufthansa
Tue, Sep 23 - Sun, Oct 12
CLJ
Cluj-Napoca
STL
St. Louis
$744 Roundtrip, found 22 hours ago
$744
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Tue, Sep 23 from Cluj-Napoca to St. Louis, returning Sun, Oct 12, priced at $744 found 22 hours ago
Lufthansa
Fri, Aug 29 - Tue, Dec 9
CLJ
Cluj-Napoca
STL
St. Louis
$744 Roundtrip, found 1 day ago
$744
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Aug 29 from Cluj-Napoca to St. Louis, returning Tue, Dec 9, priced at $744 found 1 day ago
Air Canada
Fri, Aug 29 - Sun, Sep 14
CLJ
Cluj-Napoca
STL
St. Louis
$746 Roundtrip, found 2 hours ago
$746
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Fri, Aug 29 from Cluj-Napoca to St. Louis, returning Sun, Sep 14, priced at $746 found 2 hours ago
Turkish Airlines
Mon, Sep 1 - Wed, Sep 3
CLJ
Cluj-Napoca
STL
St. Louis
$1,672 Roundtrip, found 2 hours ago
$1,672
Roundtrip
found 2 hours ago
Select Turkish Airlines flight, departing Mon, Sep 1 from Cluj-Napoca to St. Louis, returning Wed, Sep 3, priced at $1,672 found 2 hours ago
Flights from Cluj-Napoca (CLJ) to St. Louis (STL)
Origin airport
Cluj-Napoca
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Lufthansa, Turkish Airlines, United
Roundtrip price
$733
Distance
5265 mi

Cluj-Napoca to St. Louis Flights

The cheapest times to fly from Cluj-Napoca to St. Louis

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

 

The best time to book a flight from Cluj-Napoca to St. Louis

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

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 Cluj-Napoca to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $773 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 Cluj-Napoca to St. Louis 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 Cluj-Napoca to St. Louis 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 Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from CLJ to STL 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 CLJ to STL?
The cheapest flights from CLJ to STL 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 CLJ to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CLJ to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights departing from Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from CLJ to STL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the time of year 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 Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being 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 Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from CLJ to STL are usually more expensive. To secure the best rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a CLJ to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a CLJ to STL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to reschedule or cancel your CLJ to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.