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Cluj Napoca

$583+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CLJ
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,131
Provider with most accurate pricing for Denver Intl-Cluj Napoca flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Cluj Napoca flights.
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From Denver Intl to Cluj Napoca
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($532 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($109 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Denver to Cluj Napoca

Cheapest flights from Denver to Cluj Napoca
Explore the most affordable flight options available from Denver to Cluj Napoca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:20 pmDEN - CLJ
1 stop12h 20mLufthansa
Fri 12/56:00 amCLJ - DEN
1 stop17h 35mLufthansa
Deal found 10/14$583
This SmartFares deal was found by Cheapflights users on 10/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:20 pmDEN - CLJ
1 stop12h 20mMultiple Airlines
Fri 12/56:00 amCLJ - DEN
2 stops39h 37mMultiple Airlines
Deal found 10/14$604
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:20 pmDEN - CLJ
1 stop12h 20mLufthansa
Mon 11/32:25 pmCLJ - DEN
1 stop33h 10mLufthansa
Deal found 10/13$645
This Expedia deal was found by Cheapflights users on 10/13. 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.
Thu 10/305:20 pmDEN - CLJ
1 stop12h 20mMultiple Airlines
Mon 11/33:25 pmCLJ - DEN
2 stops39h 24mMultiple Airlines
Deal found 10/13$690
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Fri 10/3112:35 pmDEN - CLJ
2 stops17h 05mUnited Airlines
Tue 11/46:00 amCLJ - DEN
1 stop17h 35mUnited Airlines
Deal found 10/13$739

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 October 14, 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

Fri 11/28

4:20 pm-1:40 pm

1 stop12h 20m

Cluj Napoca

Fri 12/5

6:00 am-2:35 pm

1 stop17h 35m

$583

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Fri 11/28

4:20 pm-1:40 pm

1 stop12h 20m

Cluj Napoca

Fri 12/5

6:00 am-12:37 pm

2 stops39h 37m

$604

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 4/1

4:15 pm-5:20 pm

1 stop16h 05m

Cluj Napoca

Sun 4/5

6:00 am-1:45 pm

1 stop16h 45m

$631

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 4/1

9:58 am-1:05 pm

2 stops18h 07m

Cluj Napoca

Sun 4/5

6:00 am-12:29 pm

2 stops39h 29m

$637

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 10/30

6:45 pm-12:55 am

2 stops22h 10m

Cluj Napoca

Mon 11/3

2:25 pm-2:35 pm

1 stop33h 10m

$665

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 10/30

5:20 pm-1:40 pm

1 stop12h 20m

Cluj Napoca

Mon 11/3

3:25 pm-9:49 pm

2 stops39h 24m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Cluj Napoca flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 14, 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
7,489 reviews

Entertainment

6.4

Boarding

7.0

Overall

6.8

Food

6.3

Crew

7.6

Comfort

6.8

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
7,489 reviews
Lufthansa
6.8
Okay
7,489 reviews

Entertainment

6.4

Boarding

7.0

Overall

6.8

Food

6.3

Crew

7.6

Comfort

6.8

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 36% 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$775Average$1,131FlexibilityNo cancel feeOn-time76%

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