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$437+ Cheap flights from Zagreb (ZAG) to Denver (DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ZAG — DEN
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
1 adult, Economy
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Cheap flight deals from Zagreb to Denver

Cheapest flights from Zagreb to Denver
Explore the most affordable flight options available from Zagreb to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:25 pm
ZAG
-
DEN
1 stop30h 00m
Turkish Airlines
Tue 7/78:25 pm
DEN
-
ZAG
1 stop15h 05m
Turkish Airlines
Deal found 6/12$987
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:55 am
ZAG
-
DEN
1 stop15h 35m
Lufthansa
Sat 1/164:15 pm
DEN
-
ZAG
1 stop15h 40m
Lufthansa
Deal found 6/14$1,037
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:15 am
ZAG
-
DEN
1 stop15h 30m
Lufthansa
Wed 8/58:25 pm
DEN
-
ZAG
1 stop17h 10m
Lufthansa
Deal found 6/14$1,048
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ZAG
-
DEN
2 stops19h 48m
Delta
Wed 1/2010:45 am
DEN
-
ZAG
2 stops17h 15m
Delta
Deal found 6/14$1,059
This Air France deal was found by Cheapflights users on 6/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:00 am
ZAG
-
DEN
1 stop14h 40m
Air France
Wed 1/2012:00 pm
DEN
-
ZAG
2 stops16h 00m
Air France
Deal found 6/14$1,063
This KLM deal was found by Cheapflights users on 6/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am
ZAG
-
DEN
2 stops17h 23m
Multiple Airlines
Wed 1/2010:30 am
DEN
-
ZAG
2 stops17h 30m
Multiple Airlines
Deal found 6/14$1,067
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:15 am
ZAG
-
DEN
1 stop15h 30m
Lufthansa
Thu 2/44:15 pm
DEN
-
ZAG
1 stop15h 40m
Lufthansa
Deal found 6/14$1,075

Find flight deals from Zagreb to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Zagreb (ZAG) to Denver (DEN). 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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$987
(oojo)

One-way from

$437
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$967
Provider with most accurate pricing for Zagreb Franjo Tuđman-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Zagreb Franjo Tuđman-Denver Intl flights.
Search Deals
From Zagreb Franjo Tuđman to Denver Intl
Search Deals
One-way flight from Zagreb Franjo Tuđman to Denver Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Zagreb to Denver 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 June 15, 2026.
Use the filters below to find and compare flights from Zagreb to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Fri 7/3

8:25 pm-6:25 pm

1 stop30h 00m

Denver Intl

Tue 7/7

8:25 pm-7:30 pm

1 stop15h 05m

$987

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Fri 7/3

7:40 am-10:59 pm

2 stops23h 19m

Denver Intl

Tue 7/7

12:55 pm-10:05 pm

2 stops25h 10m

$1,083

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Tue 8/4

5:35 am-7:45 pm

2 stops22h 10m

Denver Intl

Sat 2/6

3:55 pm-10:20 pm

1 stop22h 25m

$1,094

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Tue 8/4

5:35 am-7:45 pm

2 stops22h 10m

Denver Intl

Fri 2/5

5:25 pm-10:20 pm

1 stop20h 55m

$1,094

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Sun 8/2

5:55 am-9:27 pm

2 stops23h 32m

Denver Intl

Fri 2/5

3:55 pm-10:20 pm

1 stop22h 25m

$1,094

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Thu 8/6

5:45 am-7:45 pm

2 stops22h 00m

Denver Intl

Sat 2/6

5:25 pm-10:20 pm

1 stop20h 55m

$1,094

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Thu 7/2

9:05 am-8:50 pm

2 stops19h 45m

Denver Intl

Tue 7/7

12:55 pm-10:05 pm

2 stops25h 10m

$1,118

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Tue 8/4

6:00 am-5:57 pm

2 stops19h 57m

Denver Intl

Fri 2/5

11:10 am-12:00 pm

2 stops16h 50m

$1,153

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Fri 8/7

8:25 pm-6:25 pm

1 stop30h 00m

Denver Intl

Wed 2/3

7:30 pm-8:30 am

1 stop29h 00m

$1,281
Quickest round-trip

ZagrebDenver

ZAG - DEN

ZAGDEN

Zagreb Franjo Tuđman

Thu 7/2

1:20 pm-6:50 pm

1 stop13h 30m

Denver Intl

Tue 7/7

4:15 pm-9:35 pm

1 stop21h 20m

$1,507

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Zagreb-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Zagreb-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Zagreb-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Zagreb-Denver flights, Cheapflights users trust FlightHub the most. FlightHub 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 Zagreb-Denver 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 Zagreb to Denver

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

How much does it cost to fly round-trip from Zagreb to Denver?

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated June 15, 2026.
Peruse reviews from past customers who have flown with Lufthansa from Zagreb to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
8,061 reviews

Food

6.3

Comfort

6.8

Boarding

7.0

Crew

7.6

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
8,061 reviews
Lufthansa
6.8
Okay
8,061 reviews

Food

6.3

Comfort

6.8

Boarding

7.0

Crew

7.6

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

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

    Airlines like Turkish Airlines and United Airlines fly from Zagreb to Denver in about 22h 10m. The time it takes to get you to your destination can typically vary by up to 7h 50m. The distance from Zagreb to Denver is about 5477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Zagreb to Denver round-trip?

    Currently priced at $898, Lufthansa will fly you from Zagreb to Denver and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Lufthansa is priced at 11% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Zagreb to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Westminster
Lakewood
Centennial
Broomfield
Golden
Greeley
Fort Morgan
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Zagreb to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Dubrovnik to Denver flights

Top airline flying from Zagreb to Denver

Discover the top airline that operate flights from Zagreb to Denver. 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$898Average$1,002FlexibilityNo cancel feeOn-time76%

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