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Zagreb

$599+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ZAG
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Denver Intl to Zagreb Franjo Tuđman are usually found in October or March, 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$599
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$690
Provider with most accurate pricing for Denver Intl-Zagreb Franjo Tuđman flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Zagreb Franjo Tuđman flights.
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From Denver Intl to Zagreb Franjo Tuđman
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Highest demand for flights based on searches. 3% potential increase in price ($33 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 October 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 October 30, 2025.

This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:20 pmDEN - ZAG
1 stop33h 35mTurkish Airlines
Mon 11/177:55 pmZAG - DEN
1 stop29h 40mTurkish Airlines
Deal found 10/29$652
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 11/611:26 amDEN - ZAG
2 stops19h 09mDelta
Mon 11/173:05 pmZAG - DEN
2 stops35h 56mDelta
Deal found 10/29$710
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:20 pmDEN - ZAG
1 stop12h 30mLufthansa
Mon 11/174:40 pmZAG - DEN
1 stop29h 55mLufthansa
Deal found 10/29$711
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:45 pmDEN - ZAG
1 stop20h 15mLufthansa
Mon 11/174:40 pmZAG - DEN
1 stop29h 55mLufthansa
Deal found 10/29$724
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:20 pmDEN - ZAG
1 stop12h 30mLufthansa
Sun 11/166:15 amZAG - DEN
2 stops21h 14mLufthansa
Deal found 10/29$739
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:45 pmDEN - ZAG
2 stops14h 15mLufthansa
Mon 11/174:40 pmZAG - DEN
1 stop29h 55mLufthansa
Deal found 10/29$746
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:20 pmDEN - ZAG
1 stop15h 40mLufthansa
Sun 11/164:40 pmZAG - DEN
1 stop29h 55mLufthansa
Deal found 10/29$761
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/710:20 amDEN - ZAG
2 stops19h 30mUnited Airlines
Sun 11/166:15 amZAG - DEN
2 stops23h 34mUnited Airlines
Deal found 10/29$772
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Sat 11/85:45 pmDEN - ZAG
1 stop20h 15mLufthansa
Sun 11/166:15 amZAG - DEN
2 stops26h 00mLufthansa
Deal found 10/29$780
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/72:57 pmDEN - ZAG
2 stops15h 38mDelta
Sat 11/156:30 amZAG - DEN
2 stops24h 08mDelta
Deal found 10/29$858

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 October 30, 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

Mon 3/16

11:15 am-3:55 pm

2 stops21h 40m

Zagreb Franjo Tuđman

Mon 3/23

4:40 pm-3:35 pm

1 stop29h 55m

$599

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 3/16

5:20 pm-12:50 pm

1 stop12h 30m

Zagreb Franjo Tuđman

Mon 3/23

4:40 pm-3:35 pm

1 stop29h 55m

$608

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Wed 4/15

4:59 pm-12:45 pm

2 stops35h 46m

Zagreb Franjo Tuđman

Wed 4/29

1:20 pm-11:35 pm

2 stops18h 15m

$612

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Wed 4/15

6:40 pm-12:45 pm

1 stop34h 05m

Zagreb Franjo Tuđman

Wed 4/29

1:20 pm-4:35 pm

1 stop35h 15m

$624

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sun 4/19

8:25 pm-1:00 pm

1 stop32h 35m

Zagreb Franjo Tuđman

Mon 4/27

1:55 pm-6:20 pm

1 stop36h 25m

$632

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 3/16

11:15 am-12:50 pm

2 stops18h 35m

Zagreb Franjo Tuđman

Mon 3/23

6:15 am-7:55 pm

2 stops20h 40m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Denver to Zagreb

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Zagreb in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Zagreb flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Zagreb flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Zagreb flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Zagreb flights, Cheapflights users trust eDreams the most. eDreams 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-Zagreb 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 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 October 24, 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, October is the cheapest month in which you can book a flight from Denver to Zagreb (average of $387). Flying from Denver to Zagreb in June is currently the most expensive (average of $980). 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 October 30, 2025.

It’s typically best to fly out from Denver to Zagreb in the evening. Doing so could potentially save you 47% on the flight price compared to flying at noon, which is usually more expensive.

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 October 30, 2025.
Read reviews from past customers who have flown United Airlines, Turkish Airlines, and Lufthansa from Denver to Zagreb. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,996 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Turkish Airlines
7.3
Good
4,033 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,542 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Denver to Zagreb?

    Lufthansa and American Airlines can get you from Denver to Zagreb in just under 12h 30m. Your travel time can differ by up to 23h 16m. Airlines will cover a distance of 5477 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Denver to Zagreb round-trip from $479. Other airlines that can offer you cheap pricing are United Airlines, from $629, and Lufthansa, from $693. Users have found that Turkish Airlines is 46% cheaper than the other options available to this destination.

  • 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, October is the cheapest month in which you can book a flight from Denver to Zagreb (average of $387). Flying from Denver to Zagreb in June is currently the most expensive (average of $980). 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

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Top 3 airlines flying from Denver to Zagreb

Discover the top 3 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$479Average$658FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$629Average$874FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$693Average$1,009FlexibilityNo cancel feeOn-time76%

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