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Zagreb

$554+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ZAG
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$554
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$789
From Denver Intl to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:40 pmDEN - ZAG
2 stops24h 45mMultiple Airlines
Fri 11/76:35 amZAG - DEN
2 stops19h 30mMultiple Airlines
Deal found 9/16$554
This FlightHub deal was found by Cheapflights users on 9/15. 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 11/47:20 pmDEN - ZAG
1 stop15h 40mTurkish Airlines
Thu 11/139:25 amZAG - DEN
1 stop16h 10mTurkish Airlines
Deal found 9/15$581
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:45 pmDEN - ZAG
2 stops14h 10mLufthansa
Wed 11/56:15 amZAG - DEN
1 stop17h 45mLufthansa
Deal found 9/16$608
This Orbitz deal was found by Cheapflights users on 9/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:20 pmDEN - ZAG
1 stop12h 30mMultiple Airlines
Thu 11/136:10 amZAG - DEN
2 stops19h 34mMultiple Airlines
Deal found 9/15$617
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/45:45 pmDEN - ZAG
1 stop20h 40mUnited Airlines
Thu 11/136:10 amZAG - DEN
1 stop17h 50mUnited Airlines
Deal found 9/15$622
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Tue 11/45:25 pmDEN - ZAG
2 stops14h 30mLufthansa
Thu 11/132:45 pmZAG - DEN
2 stops16h 30mLufthansa
Deal found 9/15$623
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:17 amDEN - ZAG
2 stops19h 13mIberia
Wed 11/512:15 pmZAG - DEN
2 stops39h 58mIberia
Deal found 9/16$629
This Air Canada deal was found by Cheapflights users on 9/15. 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 11/41:25 pmDEN - ZAG
2 stops15h 25mAir Canada
Wed 11/122:25 pmZAG - DEN
2 stops27h 58mAir Canada
Deal found 9/15$631
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/55:45 pmDEN - ZAG
1 stop20h 40mUnited Airlines
Wed 11/122:25 pmZAG - DEN
2 stops16h 50mUnited Airlines
Deal found 9/15$632
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:20 pmDEN - ZAG
1 stop15h 35mLufthansa
Thu 11/66:10 amZAG - DEN
1 stop17h 50mLufthansa
Deal found 9/14$663
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/65:45 pmDEN - ZAG
1 stop20h 40mUnited Airlines
Thu 11/136:10 amZAG - DEN
1 stop17h 50mUnited Airlines
Deal found 9/15$672

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 September 17, 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

Fri 10/31

4:40 pm-12:25 am

2 stops24h 45m

Zagreb Franjo Tuđman

Fri 11/7

6:35 am-6:05 pm

2 stops19h 30m

$554

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 11/4

7:20 pm-7:00 pm

1 stop15h 40m

Zagreb Franjo Tuđman

Thu 11/13

9:25 am-5:35 pm

1 stop16h 10m

$581

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 11/4

4:20 pm-12:50 pm

1 stop12h 30m

Zagreb Franjo Tuđman

Thu 11/13

6:10 am-5:44 pm

2 stops19h 34m

$617

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 11/4

5:45 pm-10:25 pm

1 stop20h 40m

Zagreb Franjo Tuđman

Thu 11/13

6:10 am-4:00 pm

1 stop17h 50m

$622

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Wed 11/5

5:45 pm-10:25 pm

1 stop20h 40m

Zagreb Franjo Tuđman

Thu 11/13

6:10 am-4:00 pm

1 stop17h 50m

$622

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 11/4

5:45 pm-10:25 pm

1 stop20h 40m

Zagreb Franjo Tuđman

Tue 11/11

6:15 am-4:00 pm

1 stop17h 45m

$622

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 11/4

5:25 pm-3:55 pm

2 stops14h 30m

Zagreb Franjo Tuđman

Thu 11/13

2:45 pm-11:15 pm

2 stops16h 30m

$623

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 10/28

9:17 am-11:30 am

2 stops19h 13m

Zagreb Franjo Tuđman

Wed 11/5

12:15 pm-8:13 pm

2 stops39h 58m

$629

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Wed 11/5

5:45 pm-10:25 pm

1 stop20h 40m

Zagreb Franjo Tuđman

Wed 11/12

2:25 pm-11:15 pm

2 stops16h 50m

$632

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Thu 10/30

5:20 pm-3:55 pm

1 stop15h 35m

Zagreb Franjo Tuđman

Thu 11/6

6:10 am-4:00 pm

1 stop17h 50m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

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 September 12, 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 $1,257). 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 September 17, 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.

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 September 17, 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
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Turkish Airlines
7.3
Good
3,965 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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?

    Turkish Airlines and United Airlines can get you from Denver to Zagreb in just under 15h 40m. Your travel time can differ by up to 5h. 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 $696. 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, 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 $1,257). 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

Browse thousands of different options on Cheapflights for your next trip

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$479Average$683FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$629Average$881FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$696Average$1,039FlexibilityNo cancel feeOn-time76%

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