$485 Cheap Flights from Denver (DEN) to Cluj-Napoca (CLJ)

View $485 flight on Mon, Aug 4, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Cluj-Napoca (CLJ)

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Cheap Flights from Denver to Cluj-Napoca (DEN-CLJ)

Prices were available within the past 7 days and start at $485 for one-way flights and $609 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Aug 17 - Tue, Aug 26
DEN
Denver
CLJ
Cluj-Napoca
$609 Roundtrip, found 1 day ago
$609
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Aug 17 from Denver to Cluj-Napoca, returning Tue, Aug 26, priced at $609 found 1 day ago
Air Canada
Sun, Aug 10 - Fri, Aug 22
DEN
Denver
CLJ
Cluj-Napoca
$616 Roundtrip, found 4 days ago
$616
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Aug 10 from Denver to Cluj-Napoca, returning Fri, Aug 22, priced at $616 found 4 days ago
Lufthansa
Mon, Aug 4 - Wed, Aug 20
DEN
Denver
CLJ
Cluj-Napoca
$619 Roundtrip, found 18 hours ago
$619
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Mon, Aug 4 from Denver to Cluj-Napoca, returning Wed, Aug 20, priced at $619 found 18 hours ago
Air Canada
Sun, Aug 10 - Mon, Aug 25
DEN
Denver
CLJ
Cluj-Napoca
$626 Roundtrip, found 4 days ago
$626
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Aug 10 from Denver to Cluj-Napoca, returning Mon, Aug 25, priced at $626 found 4 days ago
Lufthansa
Wed, Aug 6 - Fri, Aug 22
DEN
Denver
CLJ
Cluj-Napoca
$629 Roundtrip, found 4 days ago
$629
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Aug 6 from Denver to Cluj-Napoca, returning Fri, Aug 22, priced at $629 found 4 days ago
Lufthansa
Sun, Aug 17 - Tue, Aug 26
DEN
Denver
CLJ
Cluj-Napoca
$635 Roundtrip, found 1 day ago
$635
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Aug 17 from Denver to Cluj-Napoca, returning Tue, Aug 26, priced at $635 found 1 day ago
Lufthansa
Wed, Aug 6 - Mon, Aug 25
DEN
Denver
CLJ
Cluj-Napoca
$638 Roundtrip, found 4 days ago
$638
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Aug 6 from Denver to Cluj-Napoca, returning Mon, Aug 25, priced at $638 found 4 days ago
United
Mon, Aug 11 - Sun, Aug 24
DEN
Denver
CLJ
Cluj-Napoca
$656 Roundtrip, found 4 days ago
$656
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 11 from Denver to Cluj-Napoca, returning Sun, Aug 24, priced at $656 found 4 days ago
Turkish Airlines
Fri, Aug 22 - Sat, Sep 6
DEN
Denver
CLJ
Cluj-Napoca
$738 Roundtrip, found 4 days ago
$738
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Fri, Aug 22 from Denver to Cluj-Napoca, returning Sat, Sep 6, priced at $738 found 4 days ago
Swiss International Air Lines
Fri, Aug 29 - Sun, Sep 21
DEN
Denver
CLJ
Cluj-Napoca
$900 Roundtrip, found 2 days ago
$900
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Fri, Aug 29 from Denver to Cluj-Napoca, returning Sun, Sep 21, priced at $900 found 2 days ago

Alternative airports near Cluj-Napoca

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cluj-Napoca CLJ. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $1,384
CLJ
Cluj-Napoca
CheapestClosest
Average driving time to city center9 min
Flights from $1,384
Flights from Denver (DEN) to Cluj-Napoca (CLJ)
Origin airport
Denver Intl.
Destination airport
Cluj-Napoca
Airlines serving
Air Canada, Air France, Lufthansa, Turkish Airlines, United
Roundtrip price
$609
Distance
5659 mi

Denver to Cluj-Napoca Flights

The cheapest times to fly from Denver to Cluj-Napoca

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

 

The best time to book a flight from Denver to Cluj-Napoca

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

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 Denver to Cluj-Napoca in 2025. You can also book with separate airlines for your outbound and return journeys, from $485 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 Denver to Cluj-Napoca 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 Denver to Cluj-Napoca 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 Denver Intl. Airport (DEN) to Cluj-Napoca Airport (CLJ) cost?
Discover the latest flight deals from DEN to CLJ 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 DEN to CLJ?
The cheapest flights from DEN to CLJ 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 DEN to CLJ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEN to CLJ. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Denver Intl. Airport (DEN) to Cluj-Napoca Airport (CLJ)?
You'll have to take a flight with a layover when traveling from Denver Intl. Airport (DEN) to Cluj-Napoca Airport (CLJ). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DEN to CLJ?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Cluj-Napoca Airport (CLJ)?
Select a flight from Denver Intl. Airport (DEN) to Cluj-Napoca Airport (CLJ) that takes off before 3 PM to reduce the likelihood of delays and cancellations. 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 Denver Intl. Airport (DEN) to Cluj-Napoca Airport (CLJ) last-minute?
Waiting until just before your departure to book a flight from DEN to CLJ often results in higher prices. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a DEN to CLJ flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to CLJ flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Cluj-Napoca Airport (CLJ)?
It's generally possible to cancel or reschedule your DEN to CLJ 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 possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.