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Zagreb

$603+ Cheap flights from Denver (DEN) to Zagreb (ZAG)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ZAG
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Zagreb Franjo Tuđman are usually found in March or October, booked 47 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from Denver to Zagreb

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Zagreb (ZAG). 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 juin 12, 2025.

Round-trip from

$603
(lol.travel)

Popular in

June

Cheapest in

March

Average price

$1,246
From Denver Intl to Zagreb Franjo Tuđman
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Highest demand for flights based on searches. 22% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Denver to Zagreb

Cheapest flights from Denver to Zagreb
Explore the most affordable flight options available from Denver to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.

This lol.travel deal was found by Cheapflights users on 6/10. 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.
lun. 8/44:15 pmDEN - ZAG
1 stop21h 05mLufthansa
mer. 8/206:05 amZAG - DEN
1 stop15h 40mLufthansa
Deal found 6/10$603
This United Airlines deal was found by Cheapflights users on 6/12. 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.
dim. 8/35:59 pmDEN - ZAG
1 stop21h 36mUnited Airlines
jeu. 8/216:00 amZAG - DEN
1 stop17h 35mUnited Airlines
Deal found 6/12$619
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/35:40 pmDEN - ZAG
1 stop20h 00mDelta
mar. 8/196:45 amZAG - DEN
1 stop16h 45mDelta
Deal found 6/12$630
This FlightHub deal was found by Cheapflights users on 6/11. 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.
ven. 8/227:50 pmDEN - ZAG
1 stop28h 50mTurkish Airlines
sam. 9/69:35 amZAG - DEN
1 stop16h 20mTurkish Airlines
Deal found 6/11$654
This lastminute.com deal was found by Cheapflights users on 6/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/89:40 amDEN - ZAG
2 stops20h 35mAir Canada
ven. 10/246:05 amZAG - DEN
2 stops36h 09mAir Canada
Deal found 6/11$667
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/54:10 pmDEN - ZAG
2 stops15h 55mKLM
mar. 8/196:45 amZAG - DEN
2 stops16h 45mKLM
Deal found 6/12$670
This Iberia deal was found by Cheapflights users on 6/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/24:46 pmDEN - ZAG
2 stops57h 29mIberia
mer. 8/2012:10 pmZAG - DEN
2 stops41h 43mIberia
Deal found 6/12$675
This Gotogate deal was found by Cheapflights users on 6/10. 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.
mar. 7/154:15 pmDEN - ZAG
1 stop12h 20mMultiple Airlines
ven. 8/296:05 amZAG - DEN
2 stops44h 15mMultiple Airlines
Deal found 6/10$771
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/167:20 amDEN - ZAG
2 stops20h 45mAmerican Airlines
jeu. 10/26:45 pmZAG - DEN
1 stop29h 40mAmerican Airlines
Deal found 6/12$776

Cheapflights Fare Finder

Customize your flight search to find flights from Denver to Zagreb 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 juin 12, 2025.
Use the filters below to find and compare flights from Denver to Zagreb that are best for you.

Fly from

Denver

Fly to

Zagreb

Route

Depart

Return

Price

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

lun. 8/4

4:15 pm-9:20 pm

1 stop21h 05m

Zagreb Franjo Tuđman

mer. 8/20

6:05 am-1:45 pm

1 stop15h 40m

$603

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

dim. 8/3

5:59 pm-11:35 pm

1 stop21h 36m

Zagreb Franjo Tuđman

jeu. 8/21

6:00 am-3:35 pm

1 stop17h 35m

$619

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

dim. 8/3

5:40 pm-9:40 pm

1 stop20h 00m

Zagreb Franjo Tuđman

mar. 8/19

6:45 am-3:30 pm

1 stop16h 45m

$630

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

ven. 8/22

7:50 pm-8:40 am

1 stop28h 50m

Zagreb Franjo Tuđman

sam. 9/6

9:35 am-5:55 pm

1 stop16h 20m

$654

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mer. 10/8

9:40 am-2:15 pm

2 stops20h 35m

Zagreb Franjo Tuđman

ven. 10/24

6:05 am-10:14 am

2 stops36h 09m

$667

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mar. 8/5

4:10 pm-4:05 pm

2 stops15h 55m

Zagreb Franjo Tuđman

mar. 8/19

6:45 am-3:30 pm

2 stops16h 45m

$670

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

sam. 8/2

4:46 pm-10:15 am

2 stops57h 29m

Zagreb Franjo Tuđman

mer. 8/20

12:10 pm-9:53 pm

2 stops41h 43m

$675

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mar. 7/15

4:15 pm-12:35 pm

1 stop12h 20m

Zagreb Franjo Tuđman

ven. 8/29

6:05 am-6:20 pm

2 stops44h 15m

$771

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mar. 9/16

7:20 am-12:05 pm

2 stops20h 45m

Zagreb Franjo Tuđman

jeu. 10/2

6:45 pm-4:25 pm

1 stop29h 40m

$776

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

sam. 9/20

6:00 pm-12:35 pm

2 stops34h 35m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
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Best time to book a flight from Denver to Zagreb

Have a flexible travel schedule? Discover the best time to fly to Zagreb 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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Zagreb

How far ahead should I book a flight from Denver to Zagreb?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Zagreb. Price data was last updated on June 9, 2025.

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Zagreb. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Zagreb?

Currently, November is the cheapest month in which you can book a flight from Denver to Zagreb (average of $641). Flying from Denver to Zagreb in June is currently the most expensive (average of $1,267). 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.

What is the cheapest time of day to fly from DEN to ZAG?

Find hourly flight availability from Denver to Zagreb. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juin 12, 2025.

It’s typically best to fly out from Denver to Zagreb in the evening. Doing so could potentially save you 48% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Zagreb by month

Plan your trip to Zagreb by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Zagreb ranges from 1.9 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Zagreb when rainfall is around 1.9 in.

Temperature in Zagreb by month

Plan your trip to Zagreb by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Zagreb, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Zagreb

Get insights into the airlines that provide service to Zagreb. 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 Zagreb. Reviews last updated juin 12, 2025.
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,302 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Delta
8.0
Very good
7,950 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
KLM
7.8
Good
1,358 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Austrian Airlines
7.6
Good
802 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
United Airlines
7.4
Good
8,790 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from Denver to Zagreb. 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 Zagreb round-trip?

    Cheapflights users have booked flights from Denver to Zagreb round-trip from $603. Other airlines that can offer you cheap pricing are United Airlines, from $619, and Delta, from $630. Users have found that Lufthansa is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Denver to Zagreb one-way?

    The cheapest airlines for a one-way flight from Denver to Zagreb are Lufthansa ($617), Turkish Airlines ($639), and Singapore Airlines ($1,379).

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

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

  • How can I find direct flights from Denver to Zagreb?

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

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

    Yes. Cheapflights offers flight deals from Denver to Zagreb 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 Zagreb?

    Currently, November is the cheapest month in which you can book a flight from Denver to Zagreb (average of $641). Flying from Denver to Zagreb in June is currently the most expensive (average of $1,267). 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.

See more FAQs

Traveling to a place near Denver?

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Top 2 airlines flying from Denver to Zagreb

Discover the top 2 airlines that operate flights from Denver to Zagreb. 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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$554Average$673FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$732Average$1,081FlexibilityNo cancel feeOn-time76%

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