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$1,036+ Cheap flights from Cluj Napoca (CLJ) to Denver (DEN)

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — DEN
jun. 9 — jun. 161
mar. 6/9
mar. 6/16
1 adult, Economy
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Cheap flight deals from Cluj Napoca to Denver

Cheapest flights from Cluj Napoca to Denver
Explore the most affordable flight options available from Cluj Napoca to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 10, 2026.

This United Airlines deal was found by Cheapflights users on 5/7. 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.
jue. 9/246:00 am
CLJ
-
DEN
1 stop21h 45m
United Airlines
lun. 9/284:05 pm
DEN
-
CLJ
1 stop16h 20m
United Airlines
Deal found 5/7$1,406

Find flight deals from Cluj Napoca to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Cluj Napoca (CLJ) to Denver (DEN). 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 mayo 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,406
(United Airlines)
Provider with most accurate pricing for Cluj Napoca-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cluj Napoca-Denver Intl flights.
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From Cluj Napoca to Denver Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to Denver 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 mayo 10, 2026.
Use the filters below to find and compare flights from Cluj Napoca to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Cluj NapocaDenver

CLJ - DEN

CLJDEN

Cluj Napoca

jue. 9/24

6:00 am-6:45 pm

1 stop21h 45m

Denver Intl

lun. 9/28

4:05 pm-5:25 pm

1 stop16h 20m

$1,406

Cluj NapocaDenver

CLJ - DEN

CLJDEN

Cluj Napoca

jue. 9/24

6:00 am-11:08 pm

2 stops26h 08m

Denver Intl

lun. 9/28

7:51 am-5:25 pm

2 stops24h 34m

$1,406

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Cluj Napoca-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cluj Napoca-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cluj Napoca-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cluj Napoca-Denver 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 Cluj Napoca-Denver 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 Cluj Napoca to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Cluj Napoca 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.

Related info for your journey

Find useful and relevant information for your journey from Cluj Napoca to Denver. 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 Cluj Napoca to Denver?

    Airlines like United Airlines and Air Canada fly from Cluj Napoca to Denver in about 21h 45m. The time it takes to get you to your destination can typically vary by up to 4h 23m. The distance between Cluj Napoca and Denver is about 5655 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
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Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
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