$785 Cheap Flights from Cluj-Napoca (CLJ) to St. Louis (STL)

View $785 flight on Tue, Jul 14, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $785 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Cluj-Napoca (CLJ) to St. Louis (STL)
Origin airport
Cluj-Napoca
Destination airport
Lambert-St. Louis Intl.
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 . 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 $785 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?
Lock in a cheap one-way flight from $785 or cheap return flight from Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from CLJ to STL is , when demand is low. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Cluj-Napoca Airport (CLJ) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CLJ to STL flight.
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.