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Zagreb

$605+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ZAG
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 November, 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 August 18, 2025.

Round-trip from

$605
(Justfly.com)

Popular in

June

Cheapest in

March

Average price

$770
From Denver Intl to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Justfly.com deal was found by Cheapflights users on 8/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:50 pmDEN - ZAG
1 stop15h 35mTurkish Airlines
Fri 10/317:55 pmZAG - DEN
1 stop29h 40mTurkish Airlines
Deal found 8/16$605
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:55 pmDEN - ZAG
1 stop13h 55mUnited Airlines
Fri 2/272:35 pmZAG - DEN
2 stops27h 48mUnited Airlines
Deal found 8/16$678
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:15 amDEN - ZAG
2 stops18h 35mAir Canada
Fri 2/279:50 amZAG - DEN
2 stops17h 27mAir Canada
Deal found 8/16$684
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Sun 10/124:15 pmDEN - ZAG
1 stop12h 20mLufthansa
Tue 10/286:15 amZAG - DEN
1 stop17h 45mLufthansa
Deal found 8/17$685
This Gotogate deal was found by Cheapflights users on 8/17. 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.
Sun 10/125:30 pmDEN - ZAG
2 stops36h 40mMultiple Airlines
Tue 10/286:15 amZAG - DEN
1 stop17h 45mMultiple Airlines
Deal found 8/17$695
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Sun 10/121:25 pmDEN - ZAG
2 stops15h 10mAir Canada
Tue 10/286:15 amZAG - DEN
2 stops33h 38mAir Canada
Deal found 8/17$704
This Ovago deal was found by Cheapflights users on 8/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:20 pmDEN - ZAG
1 stop12h 30mLufthansa
Fri 2/276:15 amZAG - DEN
1 stop15h 25mLufthansa
Deal found 8/16$742
This United deal was found by Cheapflights users on 8/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:25 pmDEN - ZAG
2 stops17h 50mMultiple Airlines
Fri 10/314:40 pmZAG - DEN
1 stop29h 55mMultiple Airlines
Deal found 8/16$746
This Booking.com deal was found by Cheapflights users on 8/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:25 pmDEN - ZAG
2 stops16h 50mAir Canada
Fri 10/312:35 pmZAG - DEN
2 stops50h 18mAir Canada
Deal found 8/16$747
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:15 pmDEN - ZAG
1 stop12h 20mLufthansa
Thu 10/26:00 amZAG - DEN
1 stop17h 35mLufthansa
Deal found 8/16$761
This Ovago deal was found by Cheapflights users on 8/17. 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.
Tue 9/2312:29 pmDEN - ZAG
2 stops15h 36mBritish Airways
Mon 10/62:40 pmZAG - DEN
1 stop33h 45mBritish Airways
Deal found 8/17$774

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 August 18, 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

Thu 10/16

7:50 pm-7:25 pm

1 stop15h 35m

Zagreb Franjo Tuđman

Fri 10/31

7:55 pm-6:35 pm

1 stop29h 40m

$605

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Fri 11/28

3:55 pm-1:50 pm

1 stop13h 55m

Zagreb Franjo Tuđman

Fri 2/27

2:35 pm-10:23 am

2 stops27h 48m

$678

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Fri 11/28

11:15 am-1:50 pm

2 stops18h 35m

Zagreb Franjo Tuđman

Fri 2/27

9:50 am-7:17 pm

2 stops17h 27m

$684

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sun 10/12

4:15 pm-12:35 pm

1 stop12h 20m

Zagreb Franjo Tuđman

Tue 10/28

6:15 am-5:00 pm

1 stop17h 45m

$685

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sun 10/12

5:30 pm-2:10 pm

2 stops36h 40m

Zagreb Franjo Tuđman

Tue 10/28

6:15 am-5:00 pm

1 stop17h 45m

$695

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sun 10/12

1:25 pm-12:35 pm

2 stops15h 10m

Zagreb Franjo Tuđman

Tue 10/28

6:15 am-8:53 am

2 stops33h 38m

$704

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Fri 11/28

4:20 pm-12:50 pm

1 stop12h 30m

Zagreb Franjo Tuđman

Fri 2/27

6:15 am-1:40 pm

1 stop15h 25m

$742

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Thu 10/16

12:25 pm-2:15 pm

2 stops17h 50m

Zagreb Franjo Tuđman

Fri 10/31

4:40 pm-3:35 pm

1 stop29h 55m

$746

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Thu 10/16

1:25 pm-2:15 pm

2 stops16h 50m

Zagreb Franjo Tuđman

Fri 10/31

2:35 pm-9:53 am

2 stops50h 18m

$747

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 9/16

4:15 pm-9:20 pm

1 stop21h 05m

Zagreb Franjo Tuđman

Thu 10/2

6:00 am-3:35 pm

1 stop17h 35m

$761

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 13 results
1
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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 August 8, 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 $1,262). 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 August 18, 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 August 18, 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
8,925 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,945 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,330 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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, United Airlines, and Air Canada can get you from Denver to Zagreb in just under 13h 55m. Your travel time can differ by up to 4h 40m. 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 $554. Other airlines that can offer you cheap pricing are United Airlines, from $629, and Lufthansa, from $729. Users have found that Turkish Airlines is 37% 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 $1,262). 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$554Average$670FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$629Average$888FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$729Average$1,060FlexibilityNo cancel feeOn-time76%

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