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Cluj Napoca

$587+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CLJ
mar. 6 — mar. 131
vie. 3/6
vie. 3/13
1 adult, Economy
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Cheap 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 febrero 4, 2026.

This FlightHub deal was found by Cheapflights users on 2/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/74:05 pm
DEN
-
CLJ
1 stop16h 20m
Lufthansa
mar. 4/216:00 am
CLJ
-
DEN
1 stop17h 20m
Lufthansa
Deal found 2/3$587
This Expedia deal was found by Cheapflights users on 2/2. 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.
mar. 4/78:45 am
DEN
-
CLJ
2 stops30h 45m
Multiple Airlines
mar. 4/216:00 am
CLJ
-
DEN
1 stop17h 20m
Multiple Airlines
Deal found 2/2$590
This Air Canada deal was found by Cheapflights users on 2/2. 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.
mié. 3/411:15 am
DEN
-
CLJ
2 stops17h 25m
Air Canada
dom. 3/86:00 am
CLJ
-
DEN
2 stops38h 37m
Air Canada
Deal found 2/2$643
This United Airlines deal was found by Cheapflights users on 2/3. 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.
mié. 3/49:50 am
DEN
-
CLJ
2 stops18h 50m
United Airlines
dom. 3/86:00 am
CLJ
-
DEN
1 stop21h 55m
United Airlines
Deal found 2/3$644
This United Airlines deal was found by Cheapflights users on 2/2. 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.
mié. 6/34:15 pm
DEN
-
CLJ
2 stops35h 55m
United Airlines
jue. 6/186:00 am
CLJ
-
DEN
2 stops27h 53m
United Airlines
Deal found 2/2$837

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 febrero 4, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$587
(FlightHub)

Popular in

June

Cheapest in

May
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
Highest demand for flights based on searches. 5% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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 febrero 4, 2026.
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

mar. 4/7

4:05 pm-5:25 pm

1 stop16h 20m

Cluj Napoca

mar. 4/21

6:00 am-2:20 pm

1 stop17h 20m

$587

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

mar. 4/7

8:45 am-12:30 am

2 stops30h 45m

Cluj Napoca

mar. 4/21

6:00 am-2:20 pm

1 stop17h 20m

$590

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

mié. 3/4

11:15 am-1:40 pm

2 stops17h 25m

Cluj Napoca

dom. 3/8

6:00 am-11:37 am

2 stops38h 37m

$643

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

mié. 3/4

5:20 am-1:40 pm

2 stops23h 20m

Cluj Napoca

dom. 3/8

6:00 am-6:55 pm

1 stop21h 55m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

  • Most accurate provider: When it comes to deals on Denver-Cluj Napoca flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Denver-Cluj Napoca flight deals on Cheapflights vs. Ovago 90-95% 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 Ovago the most. Ovago 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 febrero 4, 2026.
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
7,759 reviews

Crew

7.6

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Boarding

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,759 reviews
Lufthansa
6.8
Okay
7,759 reviews

Crew

7.6

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Boarding

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

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 16h 20m. Denver and Cluj Napoca are separated by a distance of 5655 mi.

  • 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 $705. Lufthansa is currently priced 24% 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 febrero 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$705Average$1,063FlexibilityNo cancel feeOn-time76%

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