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Cluj Napoca

$384+ Cheap flights from Denver (DEN) to Cluj Napoca (CLJ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CLJ
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
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 February 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Sun 4/54:05 pm
DEN
-
CLJ
1 stop16h 20m
Lufthansa
Mon 4/206:10 pm
CLJ
-
DEN
1 stop29h 10m
Lufthansa
Deal found 2/19$556
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/164:05 pm
DEN
-
CLJ
1 stop16h 20m
Lufthansa
Tue 4/211:50 pm
CLJ
-
DEN
2 stops17h 15m
Lufthansa
Deal found 2/17$593
This oojo deal was found by Cheapflights users on 2/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:25 pm
DEN
-
CLJ
1 stop27h 40m
Turkish Airlines
Thu 4/99:55 am
CLJ
-
DEN
1 stop17h 30m
Turkish Airlines
Deal found 2/16$604
This Gotogate deal was found by Cheapflights users on 2/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:05 pm
DEN
-
CLJ
2 stops34h 05m
Multiple Airlines
Thu 4/96:00 am
CLJ
-
DEN
1 stop17h 20m
Multiple Airlines
Deal found 2/16$643
This Booking.com deal was found by Cheapflights users on 2/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:59 am
DEN
-
CLJ
2 stops20h 26m
Multiple Airlines
Tue 4/211:50 pm
CLJ
-
DEN
2 stops17h 15m
Multiple Airlines
Deal found 2/17$645
This lol.travel deal was found by Cheapflights users on 2/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:10 am
DEN
-
CLJ
2 stops21h 15m
Air Canada
Mon 4/201:50 pm
CLJ
-
DEN
2 stops31h 50m
Air Canada
Deal found 2/19$651
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/36:00 am
DEN
-
CLJ
2 stops22h 10m
United Airlines
Fri 4/106:00 am
CLJ
-
DEN
2 stops25h 56m
United Airlines
Deal found 2/17$654
This Gotogate deal was found by Cheapflights users on 2/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:40 pm
DEN
-
CLJ
2 stops21h 50m
Lufthansa
Fri 4/106:00 am
CLJ
-
DEN
1 stop17h 20m
Lufthansa
Deal found 2/17$674

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 February 20, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$556
(Kiwi.com)

One-way from

$384
(Kiwi.com)

Popular in

October

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
One-way flight from Denver Intl to Cluj Napoca
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 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 February 20, 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

Sun 4/5

4:05 pm-5:25 pm

1 stop16h 20m

Cluj Napoca

Mon 4/20

6:10 pm-2:20 pm

1 stop29h 10m

$556

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 4/16

4:05 pm-5:25 pm

1 stop16h 20m

Cluj Napoca

Tue 4/21

6:00 am-2:20 pm

1 stop17h 20m

$598

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 4/2

8:25 pm-9:05 am

1 stop27h 40m

Cluj Napoca

Thu 4/9

9:55 am-6:25 pm

1 stop17h 30m

$604

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 4/2

6:05 pm-1:10 pm

2 stops34h 05m

Cluj Napoca

Thu 4/9

6:00 am-2:20 pm

1 stop17h 20m

$643

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Thu 4/16

11:59 am-5:25 pm

2 stops20h 26m

Cluj Napoca

Tue 4/21

1:50 pm-10:05 pm

2 stops17h 15m

$645

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Sun 4/5

11:10 am-5:25 pm

2 stops21h 15m

Cluj Napoca

Mon 4/20

1:50 pm-12:40 pm

2 stops31h 50m

$651

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Fri 4/3

6:00 am-1:10 pm

2 stops22h 10m

Cluj Napoca

Fri 4/10

6:00 am-10:56 pm

2 stops25h 56m

$654

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Fri 4/3

4:05 pm-12:30 am

1 stop23h 25m

Cluj Napoca

Fri 4/10

6:00 am-2:20 pm

1 stop17h 20m

$715

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 3/4

7:45 am-1:40 pm

2 stops20h 55m

Cluj Napoca

Sun 3/8

6:00 am-6:55 pm

1 stop21h 55m

$734

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Tue 3/31

4:40 pm-12:25 am

3 stops46h 45m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 11 results
1
2
  • 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 February 20, 2026.
See what other customers who have flown with United Airlines and 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.
United Airlines
7.4
Good
9,325 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,325 reviews
United Airlines
7.4
Good
9,325 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,789 reviews
United Airlines
7.4
Good
9,325 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Denver to Cluj Napoca round-trip?

    Cheapflights users have booked flights from Denver to Cluj Napoca round-trip from $610. Another airline that can offer you cheap pricing is Lufthansa. United Airlines is currently priced 33% 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.
Denver to Otopeni Intl flights
Colorado Springs to Cluj Napoca flights
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Denver to Timisoara flights

Top 2 airlines flying from Denver to Cluj Napoca

Discover the top 2 airlines 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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$610Average$1,013FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$705Average$1,063FlexibilityNo cancel feeOn-time76%

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