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Cluj Napoca

$421+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CLJ
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$690
(FlightHub)

One-way from

$421
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,255
From Denver Intl to Cluj Napoca
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One-way flight from Denver Intl to Cluj Napoca
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Highest demand for flights based on searches. 17% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/3. 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.
Tue 9/24:15 pmDEN - CLJ
1 stop16h 00mLufthansa
Tue 9/96:00 amCLJ - DEN
1 stop16h 45mLufthansa
Deal found 7/3$690
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 9/26:00 amDEN - CLJ
2 stops26h 15mUnited Airlines
Tue 9/96:00 amCLJ - DEN
1 stop16h 45mUnited Airlines
Deal found 7/3$695
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Tue 11/2511:15 amDEN - CLJ
2 stops37h 50mMultiple Airlines
Sun 11/306:05 amCLJ - DEN
2 stops39h 32mMultiple Airlines
Deal found 7/2$748
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Tue 11/257:46 amDEN - CLJ
3 stops20h 54mAir Canada
Sun 11/306:05 amCLJ - DEN
2 stops39h 32mAir Canada
Deal found 7/2$762

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 July 3, 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

Tue 9/2

4:15 pm-5:15 pm

1 stop16h 00m

Cluj Napoca

Tue 9/9

6:00 am-1:45 pm

1 stop16h 45m

$690

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Tue 9/2

6:00 am-5:15 pm

2 stops26h 15m

Cluj Napoca

Tue 9/9

6:00 am-1:45 pm

1 stop16h 45m

$695

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Tue 11/25

11:15 am-10:05 am

2 stops37h 50m

Cluj Napoca

Sun 11/30

6:05 am-12:37 pm

2 stops39h 32m

$748

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Tue 11/25

7:46 am-1:40 pm

3 stops20h 54m

Cluj Napoca

Sun 11/30

6:05 am-12:37 pm

2 stops39h 32m

$762

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Mon 7/14

7:00 am-11:10 pm

3 stops55h 10m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 July 3, 2025.
See what other customers who have flown with United Airlines, Air Canada, 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
8,861 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,681 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,207 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $690. Other airlines that can offer you cheap pricing are United Airlines, from $695, and Air Canada, from $762. Lufthansa is currently priced 40% 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.

  • What is the cheapest month to book a flight from Denver to Cluj Napoca?

    Currently, January is the cheapest month in which you can book a flight from Denver to Cluj Napoca (average of $677). Flying from Denver to Cluj Napoca in June is currently the most expensive (average of $1,304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$749Average$1,215FlexibilityNo cancel feeOn-time76%

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