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Cluj Napoca

$591+ Cheap flights from Denver (DEN) to Cluj Napoca (CLJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CLJ
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Denver to Cluj Napoca

Best flights from Denver to Cluj Napoca
Discover carefully curated flight deals from Denver to Cluj Napoca that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/45:42 pmDEN - CLJ
2 stops22h 13mMultiple Airlines
Wed 2/112:25 pmCLJ - DEN
2 stops38h 30mMultiple Airlines
Deal found 12/21$591
This Expedia deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/45:42 pmDEN - CLJ
2 stops22h 13mLufthansa
Wed 2/112:25 pmCLJ - DEN
1 stop33h 10mLufthansa
Deal found 12/21$598
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/54:20 pmDEN - CLJ
1 stop12h 20mUnited Airlines
Mon 2/92:25 pmCLJ - DEN
1 stop33h 10mUnited Airlines
Deal found 12/20$648
This Air Canada deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:15 amDEN - CLJ
2 stops17h 25mAir Canada
Mon 2/92:25 pmCLJ - DEN
2 stops55h 12mAir Canada
Deal found 12/20$651

Find flight deals from Denver to Cluj Napoca

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Cluj Napoca (CLJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$591
(Expedia)

Popular in

December

Cheapest in

January

Average price

$1,799
Provider with most accurate pricing for Denver Intl-Cluj Napoca flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Cluj Napoca flights.
Search Deals
From Denver Intl to Cluj Napoca
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Cluj Napoca that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Denver to Cluj Napoca that are best for you.

Fly from

Denver

Fly to

Cluj Napoca

Route

Depart

Return

Price

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 2/4

5:42 pm-12:55 am

2 stops22h 13m

Cluj Napoca

Wed 2/11

2:25 pm-7:55 pm

2 stops38h 30m

$591

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 2/4

5:42 pm-12:55 am

2 stops22h 13m

Cluj Napoca

Wed 2/11

2:25 pm-2:35 pm

1 stop33h 10m

$598

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 2/5

4:20 pm-1:40 pm

1 stop12h 20m

Cluj Napoca

Mon 2/9

2:25 pm-2:35 pm

1 stop33h 10m

$648

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 2/5

11:15 am-1:40 pm

2 stops17h 25m

Cluj Napoca

Mon 2/9

2:25 pm-12:37 pm

2 stops55h 12m

$651

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Tue 6/9

4:40 pm-10:00 am

3 stops32h 20m

$1,941

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Tue 6/9

3:55 pm-5:25 pm

1 stop16h 30m

$2,899

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Compare providers for flights from Denver to Cluj Napoca

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Cluj Napoca in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Cluj Napoca flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Cluj Napoca flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Cluj Napoca flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Cluj Napoca flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Cluj Napoca flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Cluj Napoca

Have a flexible travel schedule? Discover the best time to fly to Cluj Napoca from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Cluj Napoca

Get insights into the airlines that provide service to Cluj Napoca. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cluj Napoca. Reviews last updated December 23, 2025.
See what other customers who have flown with Lufthansa from Denver to Cluj Napoca have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,649 reviews

Boarding

7.0

Crew

7.6

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,649 reviews
Lufthansa
6.8
Okay
7,649 reviews

Boarding

7.0

Crew

7.6

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

Find useful and relevant information for your journey from Denver to Cluj Napoca. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Cluj Napoca?

    Departing from Denver to Cluj Napoca will take you 12h 20m. Denver and Cluj Napoca are separated by a distance of 5655 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Denver to Cluj Napoca round-trip?

    Cheapflights users have booked flights from Denver to Cluj Napoca round-trip from $775. Lufthansa is currently priced 31% below the average price you’ll pay for this route.

  • Can I find deals for flights from Denver to Cluj Napoca that include hotel bookings?

    Yes. In addition to deals on Denver to Cluj Napoca flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Cluj Napoca?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Cluj Napoca.

  • Can I find deals for business class flights from Denver to Cluj Napoca?

    Yes. Cheapflights offers flight deals from Denver to Cluj Napoca by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Denver to Cluj Napoca

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Denver to Cluj Napoca

Discover the top airline that operate flights from Denver to Cluj Napoca. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$775Average$1,131FlexibilityNo cancel feeOn-time76%

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