$442 Cheap Flights from Denver (DEN) to Zagreb (ZAG)

View $442 flight on Sun, Oct 5, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG)

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Cheap Flights from Denver to Zagreb (DEN-ZAG)

Prices were available within the past 7 days and start at $442 for one-way flights and $614 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Apr 15 - Wed, Apr 29
DEN
Denver
ZAG
Zagreb
$614 Roundtrip, found 1 day ago
$614
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Apr 15 from Denver to Zagreb, returning Wed, Apr 29, priced at $614 found 1 day ago
Air Canada
Tue, Dec 2 - Tue, Apr 28
DEN
Denver
ZAG
Zagreb
$617 Roundtrip, found 1 day ago
$617
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Dec 2 from Denver to Zagreb, returning Tue, Apr 28, priced at $617 found 1 day ago
Lufthansa
Tue, Dec 2 - Tue, Apr 28
DEN
Denver
ZAG
Zagreb
$618 Roundtrip, found 1 day ago
$618
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Dec 2 from Denver to Zagreb, returning Tue, Apr 28, priced at $618 found 1 day ago
Lufthansa
Wed, Mar 11 - Wed, Mar 25
DEN
Denver
ZAG
Zagreb
$619 Roundtrip, found 1 day ago
$619
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Mar 11 from Denver to Zagreb, returning Wed, Mar 25, priced at $619 found 1 day ago
United
Tue, Dec 9 - Tue, Dec 16
DEN
Denver
ZAG
Zagreb
$621 Roundtrip, found 3 days ago
$621
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Denver to Zagreb, returning Tue, Dec 16, priced at $621 found 3 days ago
American Airlines
Wed, Apr 15 - Wed, Apr 29
DEN
Denver
ZAG
Zagreb
$623 Roundtrip, found 1 day ago
$623
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 15 from Denver to Zagreb, returning Wed, Apr 29, priced at $623 found 1 day ago
United
Wed, Apr 15 - Wed, Apr 29
DEN
Denver
ZAG
Zagreb
$623 Roundtrip, found 1 day ago
$623
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 15 from Denver to Zagreb, returning Wed, Apr 29, priced at $623 found 1 day ago
Air Canada
Mon, Oct 20 - Wed, Nov 5
DEN
Denver
ZAG
Zagreb
$623 Roundtrip, found 2 days ago
$623
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Oct 20 from Denver to Zagreb, returning Wed, Nov 5, priced at $623 found 2 days ago
Air Canada
Sun, Mar 8 - Tue, Mar 17
DEN
Denver
ZAG
Zagreb
$626 Roundtrip, found 3 hours ago
$626
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Sun, Mar 8 from Denver to Zagreb, returning Tue, Mar 17, priced at $626 found 3 hours ago
Lufthansa
Wed, Nov 5 - Wed, Nov 12
DEN
Denver
ZAG
Zagreb
$627 Roundtrip, found 1 day ago
$627
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov 5 from Denver to Zagreb, returning Wed, Nov 12, priced at $627 found 1 day ago

Alternative airports near Zagreb

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Zagreb Airport ZAG. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $1,222
ZAG
Zagreb Airport
CheapestClosest
Average driving time to city center16 min
Flights from $1,222
Flights from Denver (DEN) to Zagreb (ZAG)
Origin airport
Denver Intl.
Destination airport
Zagreb
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$614
Distance
5481 mi

Denver to Zagreb Flights

The cheapest times to fly from Denver to Zagreb

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Zagreb are during the month of April. You can find some of the cheapest flights from Denver to Zagreb with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Zagreb

Sunday is one of the best days to book for cheap flights from Denver to Zagreb: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Zagreb

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Zagreb in 2025. You can also book with separate airlines for your outbound and return journeys, from $442 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Zagreb flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Zagreb airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG) cost?
Snag a cheap one-way flight from $442 or cheap return flight from $614 from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG)?
The cheapest month to fly from DEN to ZAG is April, when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DEN to ZAG flight.
How many flights per day from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG)?
You'll need to hop on a flight with a layover if you're traveling from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from DEN to ZAG?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Zagreb Airport (ZAG) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG) last-minute?
Last-minute fares from DEN to ZAG are usually more expensive. To lock in the lowest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a DEN to ZAG flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to ZAG flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Just pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Zagreb Airport (ZAG)?
In most instances, you can cancel or modify your DEN to ZAG flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.