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Zagreb

$354+ Cheap flights from Denver (DEN) to Zagreb (ZAG)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ZAG
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$574
(Mytrip)

One-way from

$354
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,157
From Denver Intl to Zagreb Franjo Tuđman
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One-way flight 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 July 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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.
Mon 9/84:40 pmDEN - ZAG
2 stops18h 30mMultiple Airlines
Mon 9/225:50 amZAG - DEN
2 stops21h 05mMultiple Airlines
Deal found 7/3$574
This FlightHub deal was found by Cheapflights users on 7/1. 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 7/87:50 pmDEN - ZAG
1 stop15h 35mTurkish Airlines
Mon 7/148:20 pmZAG - DEN
1 stop29h 35mTurkish Airlines
Deal found 7/1$625
This Booking.com deal was found by Cheapflights users on 7/2. 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.
Mon 8/254:15 pmDEN - ZAG
1 stop12h 20mLufthansa
Wed 9/36:15 amZAG - DEN
1 stop17h 20mLufthansa
Deal found 7/2$635
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 8/252:05 pmDEN - ZAG
2 stops21h 20mAmerican Airlines
Wed 9/31:20 pmZAG - DEN
1 stop35h 05mAmerican Airlines
Deal found 7/2$698
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/25:59 pmDEN - ZAG
1 stop21h 41mUnited Airlines
Tue 9/166:05 amZAG - DEN
1 stop15h 30mUnited Airlines
Deal found 7/1$702
This Air Canada deal was found by Cheapflights users on 7/2. 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 9/211:25 amDEN - ZAG
2 stops17h 10mAir Canada
Tue 9/166:05 amZAG - DEN
2 stops18h 28mAir Canada
Deal found 7/2$704
This Expedia deal was found by Cheapflights users on 7/2. 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.
Sat 8/165:32 pmDEN - ZAG
2 stops34h 03mIberia
Sat 8/239:35 pmZAG - DEN
2 stops34h 01mIberia
Deal found 7/2$745
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:29 amDEN - ZAG
2 stops16h 36mBritish Airways
Thu 10/26:45 pmZAG - DEN
2 stops35h 24mBritish Airways
Deal found 7/1$790
This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 9/2912:32 pmDEN - ZAG
2 stops17h 58mDelta
Tue 10/76:00 amZAG - DEN
2 stops24h 46mDelta
Deal found 7/1$826
This Austrian Airlines deal was found by Cheapflights users on 7/3. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:18 amDEN - ZAG
2 stops15h 27mAustrian Airlines
Sun 9/146:50 pmZAG - DEN
2 stops33h 04mAustrian Airlines
Deal found 7/3$836

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 July 3, 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 9/8

4:40 pm-7:10 pm

2 stops18h 30m

Zagreb Franjo Tuđman

Mon 9/22

5:50 am-6:55 pm

2 stops21h 05m

$574

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 9/23

7:50 pm-7:25 pm

1 stop15h 35m

Zagreb Franjo Tuđman

Mon 10/6

8:20 pm-5:55 pm

1 stop29h 35m

$625

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 8/25

4:15 pm-12:35 pm

1 stop12h 20m

Zagreb Franjo Tuđman

Wed 9/3

6:15 am-3:35 pm

1 stop17h 20m

$635

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 8/25

2:05 pm-7:25 pm

2 stops21h 20m

Zagreb Franjo Tuđman

Wed 9/3

1:20 pm-4:25 pm

1 stop35h 05m

$698

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 9/2

5:59 pm-11:40 pm

1 stop21h 41m

Zagreb Franjo Tuđman

Tue 9/16

6:05 am-1:35 pm

1 stop15h 30m

$702

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 9/2

11:25 am-12:35 pm

2 stops17h 10m

Zagreb Franjo Tuđman

Tue 9/16

6:05 am-4:33 pm

2 stops18h 28m

$704

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sat 8/16

5:32 pm-11:35 am

2 stops34h 03m

Zagreb Franjo Tuđman

Sat 8/23

9:35 pm-11:36 pm

2 stops34h 01m

$745

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Tue 9/16

11:29 am-12:05 pm

2 stops16h 36m

Zagreb Franjo Tuđman

Thu 10/2

6:45 pm-10:09 pm

2 stops35h 24m

$790

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 9/29

12:32 pm-2:30 pm

2 stops17h 58m

Zagreb Franjo Tuđman

Tue 10/7

6:00 am-10:46 pm

2 stops24h 46m

$826

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Fri 9/5

11:18 am-10:45 am

2 stops15h 27m

Zagreb Franjo Tuđman

Sun 9/14

6:50 pm-7:54 pm

2 stops33h 04m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 16 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 27, 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 $1,265). 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 July 3, 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 July 3, 2025.
Read reviews from past customers who have flown Singapore Airlines, Delta, and Austrian Airlines 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.
Singapore Airlines
8.1
Very good
1,320 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

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
1,320 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

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
7,970 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

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
809 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

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
8,845 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

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.
Turkish Airlines
7.3
Good
3,895 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

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 $625. Other airlines that can offer you cheap pricing are Lufthansa, from $635, and American Airlines, from $698. Users have found that Turkish Airlines is 30% 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 Turkish Airlines ($383), Lufthansa ($619), and Delta ($662).

  • 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 $1,265). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$554Average$674FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$699Average$918FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$729Average$1,083FlexibilityNo cancel feeOn-time76%

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