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Cheap flights from Denver to Cluj Napoca from $662

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Cluj Napoca departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Cluj Napoca

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:49 pm - 5:25 pm
DEN
-
CLJ
35h 36m
2 stops
Multiple Airlines Logo
1:50 pm - 11:30 pm
CLJ
-
DEN
18h 40m
2 stops
$662Multiple Airlines
Wed, Apr 15 - Fri, May 15
Multiple Airlines Logo
7:05 pm - 5:25 pm
DEN
-
CLJ
37h 20m
2 stops
Multiple Airlines Logo
6:10 pm - 2:20 pm
CLJ
-
DEN
29h 10m
1 stop
$716Multiple Airlines
Wed, Apr 15 - Fri, May 15
United Airlines Logo
9:36 am - 1:40 pm
DEN
-
CLJ
19h 04m
2 stops
United Airlines Logo
2:25 pm - 7:55 pm
CLJ
-
DEN
13h 30m
1 stop
$733United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
9:50 am - 1:40 pm
DEN
-
CLJ
18h 50m
2 stops
United Airlines Logo
2:25 pm - 7:55 pm
CLJ
-
DEN
13h 30m
1 stop
$734United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
5:20 am - 1:40 pm
DEN
-
CLJ
23h 20m
2 stops
United Airlines Logo
6:00 am - 3:40 pm
CLJ
-
DEN
42h 40m
2 stops
$742United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:00 am - 1:40 pm
DEN
-
CLJ
22h 40m
2 stops
United Airlines Logo
6:00 am - 8:55 pm
CLJ
-
DEN
23h 55m
2 stops
$744United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
11:59 pm - 1:10 pm
DEN
-
CLJ
28h 11m
2 stops
United Airlines Logo
6:00 am - 11:21 pm
CLJ
-
DEN
26h 21m
2 stops
$770United Airlines
Sun, Jun 7 - Wed, Jul 22
Lufthansa Logo
4:05 pm - 12:30 am
DEN
-
CLJ
23h 25m
1 stop
Lufthansa Logo
6:00 am - 2:20 pm
CLJ
-
DEN
17h 20m
1 stop
$844Lufthansa
Wed, Apr 15 - Fri, May 15
United Airlines Logo
6:00 am - 5:25 pm
DEN
-
CLJ
26h 25m
2 stops
United Airlines Logo
6:00 am - 11:21 pm
CLJ
-
DEN
26h 21m
2 stops
$894United Airlines
Wed, Jun 10 - Wed, Jul 22
United Airlines Logo
11:59 pm - 1:10 pm
DEN
-
CLJ
28h 11m
2 stops
United Airlines Logo
1:50 pm - 6:50 pm
CLJ
-
DEN
14h 00m
1 stop
$895United Airlines
Sun, Jun 7 - Thu, Jul 23

Air Canada flights from Denver to Cluj Napoca

Our best Air Canada deals on Denver to Cluj Napoca flight tickets
Air Canada
Apr 15
DEN8:17 amDenver Intl
19h 53m
3 stops
CLJ1:10 pmCluj Napoca
May 15
CLJ1:50 pmCluj Napoca
29h 44m
2 stops
DEN10:34 amDenver Intl
$947
Air Canada
Jun 11
DEN6:10 pmDenver Intl
38h 15m
2 stops
CLJ5:25 pmCluj Napoca
Jul 26
CLJ6:00 amCluj Napoca
37h 32m
2 stops
DEN10:32 amDenver Intl
$1,080
Air Canada
Jun 11
DEN6:10 pmDenver Intl
38h 15m
2 stops
CLJ5:25 pmCluj Napoca
Jul 25
CLJ1:50 pmCluj Napoca
29h 43m
2 stops
DEN10:33 amDenver Intl
$1,175

Lufthansa flights from Denver to Cluj Napoca

Our best Lufthansa deals on Denver to Cluj Napoca flight tickets
Lufthansa
Mar 26
DEN5:20 pmDenver Intl
12h 20m
1 stop
CLJ1:40 pmCluj Napoca
Apr 2
CLJ6:00 amCluj Napoca
17h 20m
1 stop
DEN2:20 pmDenver Intl
$823
Lufthansa
Apr 15
DEN4:05 pmDenver Intl
23h 25m
1 stop
CLJ12:30 amCluj Napoca
May 15
CLJ6:00 amCluj Napoca
17h 20m
1 stop
DEN2:20 pmDenver Intl
$844
Lufthansa
Jun 10
DEN12:30 pmDenver Intl
19h 55m
2 stops
CLJ5:25 pmCluj Napoca
Jul 24
CLJ1:50 pmCluj Napoca
19h 32m
2 stops
DEN12:22 amDenver Intl
$937

momondo 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, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Denver to Cluj Napoca that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 4/15

8:49 pm-5:25 pm

2 stops35h 36m

Cluj Napoca

Fri 5/15

1:50 pm-11:30 pm

2 stops18h 40m

$662

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 4/15

7:05 pm-5:25 pm

2 stops37h 20m

Cluj Napoca

Fri 5/15

6:10 pm-2:20 pm

1 stop29h 10m

$716

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 3/4

9:36 am-1:40 pm

2 stops19h 04m

Cluj Napoca

Sun 3/8

2:25 pm-7:55 pm

1 stop13h 30m

$733

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 3/4

9:50 am-1:40 pm

2 stops18h 50m

Cluj Napoca

Sun 3/8

2:25 pm-7:55 pm

1 stop13h 30m

$734

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 3/4

5:20 am-1:40 pm

2 stops23h 20m

Cluj Napoca

Sun 3/8

6:00 am-3:40 pm

2 stops42h 40m

$742

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 3/4

6:00 am-1:40 pm

2 stops22h 40m

Cluj Napoca

Sun 3/8

6:00 am-8:55 pm

2 stops23h 55m

$744

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Sun 6/7

11:59 pm-1:10 pm

2 stops28h 11m

Cluj Napoca

Wed 7/22

6:00 am-11:21 pm

2 stops26h 21m

$770

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 4/15

4:05 pm-12:30 am

1 stop23h 25m

Cluj Napoca

Fri 5/15

6:00 am-2:20 pm

1 stop17h 20m

$844

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Wed 6/10

6:00 am-5:25 pm

2 stops26h 25m

Cluj Napoca

Wed 7/22

6:00 am-11:21 pm

2 stops26h 21m

$894

DenverCluj Napoca

DEN - CLJ

DENCLJ

Denver Intl

Sun 6/7

11:59 pm-1:10 pm

2 stops28h 11m

Cluj Napoca

Thu 7/23

1:50 pm-6:50 pm

1 stop14h 00m

$895

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Denver to Cluj Napoca

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Cluj Napoca according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Cluj Napoca (DEN to CLJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Cluj Napoca

Fastest flight time

20h 55m

Direct flights

None
The fastest flight from Denver to Cluj Napoca takes 20h 55m
There are no direct flights from Denver to Cluj Napoca. There are no popular flight routes from Denver to Cluj Napoca.
Search flight deals

  • How far is Denver Intl to Cluj Napoca by plane?

    A flight from Denver Intl to Cluj Napoca will travel around 5669.7 mi. By plane, this route typically takes 20h 55m.

  • When did momondo last update prices for flights from Denver Intl Airport to Cluj Napoca Airport?

    Prices for flights from Denver Intl Airport to Cluj Napoca Airport were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to Cluj Napoca Airport?

  • How old do you have to be to fly from Denver Intl Airport to Cluj Napoca Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Cluj Napoca Airport.

  • What documentation or ID do you need to fly to Cluj Napoca Airport?

    The travel and health documents you'll need for your trip to Cluj Napoca Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cluj Napoca Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Denver to Cluj Napoca?

Best airlines flying from Denver to Cluj Napoca

Compare and see reviews for airlines that fly from Denver to Cluj Napoca with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $705Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights

  • How do I get Price Alerts for flights from Denver to Cluj Napoca?

    Search flight deals from Denver to Cluj Napoca. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Denver to Cluj Napoca with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Cluj Napoca?

Book flights to Cluj Napoca if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Denver to Cluj Napoca?

It is quick and easy to find Denver to Cluj Napoca flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cluj Napoca that suits you.

Can I find flights from Denver to Cluj Napoca with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cluj Napoca from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to Cluj Napoca?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cluj Napoca from Denver.

I’m not ready to book a flight from Denver to Cluj Napoca right now. Can momondo alert me if prices change?

Price alerts on flights to Cluj Napoca from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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