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

Cheapflights users have booked flights from Denver to Zagreb round-trip from $929. Other airlines that can offer you cheap pricing are United Airlines, from $935, and Delta, from $954.

What is the cheapest day to fly from Denver to Zagreb?

Travelers seeking maximum savings on their Denver to Zagreb flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Denver to Zagreb?

Before booking your flight from Denver to Zagreb check out the most popular airlines for this route: Delta, Lufthansa or Turkish Airlines.

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

Travelers have found that booking a Saturday departure is the best way to save up to 52% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Denver to Zagreb?

Users have found that booking a flight from Denver to Zagreb at least 48 days early can save you up to 84% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from Denver to Zagreb for as little as $753 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,888 for flights departing within the next 3 days.

What is the cheapest month to fly from Denver to Zagreb?

Our data shows that March tends to be the cheapest month to fly to Zagreb from Denver. Users have commonly found prices around $898 for the month, but tickets can be as low as $534. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Denver-Zagreb flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Denver-Zagreb flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$634+ Flights from Denver to Zagreb

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$918 (Condor)
Popular in	June
Cheapest in	March
Average price	$746

Provider with most accurate pricing for Denver Intl-Zagreb Franjo Tuđman flight deals.

Search Deals

Provider most trusted by Cheapflights users for Denver Intl-Zagreb Franjo Tuđman flights.

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From Denver Intl to Zagreb Franjo Tuđman

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($293 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 29, 2025.

Wed 7/307:50 pmDEN - ZAG

1 stop33h 00mTurkish Airlines

Tue 9/309:35 amZAG - DEN

1 stop16h 20mTurkish Airlines

Deal found 4/29

$634

Wed 7/304:15 pmDEN - ZAG

1 stop12h 20mMultiple Airlines

Tue 9/306:05 amZAG - DEN

2 stops20h 13mMultiple Airlines

Deal found 4/29

$740

Tue 9/211:30 amDEN - ZAG

2 stops16h 35mBritish Airways

Tue 9/168:10 pmZAG - DEN

1 stop28h 15mBritish Airways

Deal found 4/28

$742

Wed 7/309:40 amDEN - ZAG

2 stops29h 55mUnited Airlines

Tue 9/306:05 amZAG - DEN

2 stops20h 13mUnited Airlines

Deal found 4/29

$743

Tue 9/24:15 pmDEN - ZAG

1 stop12h 20mLufthansa

Tue 9/166:05 amZAG - DEN

1 stop15h 40mLufthansa

Deal found 4/28

$750

Tue 9/239:58 amDEN - ZAG

2 stops18h 37mAir Canada

Sat 10/46:00 amZAG - DEN

2 stops21h 23mAir Canada

Deal found 4/29

$891

Thu 9/185:40 pmDEN - ZAG

1 stop34h 30mDelta

Tue 10/76:00 amZAG - DEN

2 stops20h 02mDelta

Deal found 4/28

$905

Mon 5/126:35 pmDEN - ZAG

1 stop16h 50mAmerican Airlines

Mon 5/262:40 pmZAG - DEN

2 stops34h 27mAmerican Airlines

Deal found 4/28

$1,073

Sat 9/204:00 pmDEN - ZAG

2 stops16h 15mKLM

Sun 10/56:00 amZAG - DEN

2 stops17h 30mKLM

Deal found 4/28

$1,174

Wed 5/711:25 amDEN - ZAG

2 stops15h 15mAustrian Airlines

Mon 6/211:20 amZAG - DEN

2 stops40h 45mAustrian Airlines

Deal found 4/29

$1,339

Tue 9/2312:20 pmDEN - ZAG

3 stops24h 10mITA Airways

Sat 10/42:25 pmZAG - DEN

3 stops40h 21mITA Airways

Deal found 4/29

$1,346

Best flights from Denver to Zagreb
Discover carefully curated flight deals from Denver to Zagreb that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Mon 5/57:00 amDEN - ZAG

2 stops31h 05mMultiple Airlines

Thu 6/59:05 amZAG - DEN

2 stops23h 00mMultiple Airlines

Deal found 4/29

$918

Sun 7/274:15 pmDEN - ZAG

1 stop21h 05mLufthansa

Fri 8/86:05 amZAG - DEN

1 stop15h 40mLufthansa

Deal found 4/29

$929

Sun 7/275:59 pmDEN - ZAG

1 stop21h 36mUnited Airlines

Wed 8/66:15 amZAG - DEN

2 stops36h 05mUnited Airlines

Deal found 4/28

$935

Sun 7/276:23 pmDEN - ZAG

2 stops20h 22mDelta

Fri 8/86:00 amZAG - DEN

2 stops25h 04mDelta

Deal found 4/28

$954

Wed 5/289:56 amDEN - ZAG

2 stops18h 39mAir Canada

Thu 6/56:00 amZAG - DEN

2 stops18h 38mAir Canada

Deal found 4/27

$1,016

Mon 5/126:35 pmDEN - ZAG

1 stop16h 50mAmerican Airlines

Mon 5/262:40 pmZAG - DEN

2 stops34h 27mAmerican Airlines

Deal found 4/28

$1,073

Mon 5/56:00 amDEN - ZAG

2 stops18h 40mTurkish Airlines

Mon 5/198:20 pmZAG - DEN

1 stop29h 35mTurkish Airlines

Deal found 4/28

$1,199

Wed 5/711:25 amDEN - ZAG

2 stops15h 15mAustrian Airlines

Mon 6/211:20 amZAG - DEN

2 stops40h 45mAustrian Airlines

Deal found 4/29

$1,339

Mon 5/127:06 amDEN - ZAG

3 stops29h 24mITA Airways

Mon 5/262:45 pmZAG - DEN

3 stops37h 54mITA Airways

Deal found 4/28

$1,367

Last-minute flights from Denver to Zagreb
Discover last-minute flight deals from Denver to Zagreb. Data last updated April 29, 2025 and is based on user searches.

Mon 5/57:00 amDEN - ZAG

2 stops31h 05mMultiple Airlines

Thu 6/59:05 amZAG - DEN

2 stops23h 00mMultiple Airlines

Deal found 4/29

$918

Mon 5/56:00 amDEN - ZAG

2 stops18h 40mTurkish Airlines

Mon 5/198:20 pmZAG - DEN

1 stop29h 35mTurkish Airlines

Deal found 4/28

$1,199

Mon 5/54:15 pmDEN - ZAG

1 stop12h 20mLufthansa

Mon 5/191:20 pmZAG - DEN

1 stop32h 25mLufthansa

Deal found 4/29

$1,291

Tue 5/612:01 pmDEN - ZAG

3 stops24h 29mITA Airways

Thu 6/52:45 pmZAG - DEN

3 stops37h 54mITA Airways

Deal found 4/29

$1,617

Wed 5/75:59 pmDEN - ZAG

1 stop21h 36mUnited Airlines

Thu 6/56:00 amZAG - DEN

2 stops20h 20mUnited Airlines

Deal found 4/29

$1,313

Wed 5/711:25 amDEN - ZAG

2 stops15h 15mAustrian Airlines

Mon 6/211:20 amZAG - DEN

2 stops40h 45mAustrian Airlines

Deal found 4/29

$1,339

Thu 5/812:06 pmDEN - ZAG

2 stops26h 39mDelta

Fri 6/66:00 amZAG - DEN

2 stops19h 39mDelta

Deal found 4/29

$1,389

Mon 5/126:35 pmDEN - ZAG

1 stop16h 50mAmerican Airlines

Mon 5/262:40 pmZAG - DEN

2 stops34h 27mAmerican Airlines

Deal found 4/28

$1,073

Mon 5/129:15 amDEN - ZAG

2 stops21h 15mDelta

Mon 5/266:00 amZAG - DEN

2 stops17h 34mDelta

Deal found 4/29

$1,150

Mon 5/127:06 amDEN - ZAG

3 stops29h 24mITA Airways

Mon 5/262:45 pmZAG - DEN

3 stops37h 54mITA Airways

Deal found 4/28

$1,367

Wed 5/284:15 pmDEN - ZAG

1 stop21h 05mLufthansa

Wed 6/116:05 amZAG - DEN

1 stop15h 40mLufthansa

Deal found 4/29

$1,006

Wed 5/289:56 amDEN - ZAG

2 stops18h 39mAir Canada

Thu 6/56:00 amZAG - DEN

2 stops18h 38mAir Canada

Deal found 4/27

$1,016

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Zagreb that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 5/5

7:00 am-10:05 pm

2 stops31h 05m

Zagreb Franjo Tuđman

Thu 6/5

9:05 am-12:05 am

2 stops23h 00m

$918

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sun 7/27

4:15 pm-9:20 pm

1 stop21h 05m

Zagreb Franjo Tuđman

Fri 8/8

6:05 am-1:45 pm

1 stop15h 40m

$929

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sun 7/27

5:59 pm-11:35 pm

1 stop21h 36m

Zagreb Franjo Tuđman

Wed 8/6

6:15 am-10:20 am

2 stops36h 05m

$935

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Sun 7/27

6:23 pm-10:45 pm

2 stops20h 22m

Zagreb Franjo Tuđman

Fri 8/8

6:00 am-7:05 pm

2 stops21h 05m

$954

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Wed 5/28

9:56 am-12:35 pm

2 stops18h 39m

Zagreb Franjo Tuđman

Thu 6/5

6:00 am-4:38 pm

2 stops18h 38m

$1,016

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 5/12

6:35 pm-7:25 pm

1 stop16h 50m

Zagreb Franjo Tuđman

Mon 5/26

2:40 pm-5:07 pm

2 stops34h 27m

$1,073

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 5/5

6:00 am-8:40 am

2 stops18h 40m

Zagreb Franjo Tuđman

Mon 5/19

8:20 pm-5:55 pm

1 stop29h 35m

$1,199

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Wed 5/7

11:25 am-10:40 am

2 stops15h 15m

Zagreb Franjo Tuđman

Mon 6/2

11:20 am-8:05 pm

2 stops40h 45m

$1,339

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

Mon 5/12

7:06 am-8:30 pm

3 stops29h 24m

Zagreb Franjo Tuđman

Mon 5/26

2:45 pm-8:39 pm

3 stops37h 54m

$1,367

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from Denver to Zagreb

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Zagreb in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Denver-Zagreb flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

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 $1,296). 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?

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.

Rainfall in Zagreb by month

In terms of precipitation, rainfall in Zagreb ranges from 1.9 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Zagreb when rainfall is around 1.9 in.

Temperature in Zagreb by month

If weather is an important factor for your trip to Zagreb, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Zagreb

Read reviews from past customers who have flown Delta, Austrian Airlines and United Airlines from Denver to Zagreb. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines

7.3

Good

3,788 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Denver to Zagreb round-trip?
Cheapflights users have booked flights from Denver to Zagreb round-trip from $929. Other airlines that can offer you cheap pricing are United Airlines, from $935, and Delta, from $954.
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 $1,296). 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

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$554	Average$676	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$595	Average$1,272	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$733	Average$1,137	FlexibilityNo cancel fee	On-time76%

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$634+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Zagreb with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Denver to Zagreb

Cheapest flights from Denver to ZagrebExplore 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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Zagreb that are best for you.

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 April.

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.

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 April 25, 2025.

What is the cheapest month to book a flight from Denver to Zagreb?

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 April 29, 2025.

Rainfall in Zagreb by month

Plan your trip to Zagreb by taking into account the average rainfall totals by month.

Temperature in Zagreb by month

Plan your trip to Zagreb by taking into account the average temperature totals by month.

Reviews of airlines servicing Zagreb

Read reviews from past customers who have flown Delta, Austrian Airlines and United Airlines from Denver to Zagreb. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

How can I find direct flights from Denver to Zagreb?

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

What is the cheapest month to book a flight from Denver to Zagreb?

Traveling to a place near Denver?

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Alternative routes for Denver to Zagreb

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Top 3 airlines flying from Denver to Zagreb

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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 April 29, 2025.