HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Zagreb

$603+ Cheap flights from Colorado 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ZAG
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Zagreb with Cheapflights

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to Zagreb

Keep the following information in mind while searching for Colorado to Zagreb flight deals. Data was last updated junio 12, 2025.

Round-trip from

$603
(lol.travel)

Popular in

June

Cheapest in

March

Average price

$1,246
From Colorado to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($264 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Colorado to Zagreb

Cheapest flights from Colorado to Zagreb
Explore the most affordable flight options available from Colorado to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This lol.travel deal was found by Cheapflights users on 6/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/44:15 pmDEN - ZAG
1 stop21h 05mLufthansa
mié. 8/206:05 amZAG - DEN
1 stop15h 40mLufthansa
Deal found 6/10$603
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/35:59 pmDEN - ZAG
1 stop21h 36mUnited Airlines
jue. 8/216:00 amZAG - DEN
1 stop17h 35mUnited Airlines
Deal found 6/12$619
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/35:40 pmDEN - ZAG
1 stop20h 00mDelta
mar. 8/196:45 amZAG - DEN
1 stop16h 45mDelta
Deal found 6/12$630
This FlightHub deal was found by Cheapflights users on 6/11. 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.
vie. 8/227:50 pmDEN - ZAG
1 stop28h 50mTurkish Airlines
sáb. 9/69:35 amZAG - DEN
1 stop16h 20mTurkish Airlines
Deal found 6/11$654
This lastminute.com deal was found by Cheapflights users on 6/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/89:40 amDEN - ZAG
2 stops20h 35mAir Canada
vie. 10/246:05 amZAG - DEN
2 stops36h 09mAir Canada
Deal found 6/11$667
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/54:10 pmDEN - ZAG
2 stops15h 55mKLM
mar. 8/196:45 amZAG - DEN
2 stops16h 45mKLM
Deal found 6/12$670
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/24:46 pmDEN - ZAG
2 stops57h 29mIberia
mié. 8/2012:10 pmZAG - DEN
2 stops41h 43mIberia
Deal found 6/12$675
This Gotogate deal was found by Cheapflights users on 6/10. 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.
mar. 7/154:15 pmDEN - ZAG
1 stop12h 20mMultiple Airlines
vie. 8/296:05 amZAG - DEN
2 stops44h 15mMultiple Airlines
Deal found 6/10$771
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/167:20 amDEN - ZAG
2 stops20h 45mAmerican Airlines
jue. 10/26:45 pmZAG - DEN
1 stop29h 40mAmerican Airlines
Deal found 6/12$776

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado 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 junio 12, 2025.
Use the filters below to find and compare flights from Colorado to Zagreb that are best for you.

Fly from

Colorado

Fly to

Zagreb

Route

Depart

Return

Price

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

lun. 8/4

4:15 pm-9:20 pm

1 stop21h 05m

Zagreb Franjo Tuđman

mié. 8/20

6:05 am-1:45 pm

1 stop15h 40m

$603

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

dom. 8/3

5:59 pm-11:35 pm

1 stop21h 36m

Zagreb Franjo Tuđman

jue. 8/21

6:00 am-3:35 pm

1 stop17h 35m

$619

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

dom. 8/3

5:40 pm-9:40 pm

1 stop20h 00m

Zagreb Franjo Tuđman

mar. 8/19

6:45 am-3:30 pm

1 stop16h 45m

$630

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

vie. 8/22

7:50 pm-8:40 am

1 stop28h 50m

Zagreb Franjo Tuđman

sáb. 9/6

9:35 am-5:55 pm

1 stop16h 20m

$654

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mié. 10/8

9:40 am-2:15 pm

2 stops20h 35m

Zagreb Franjo Tuđman

vie. 10/24

6:05 am-10:14 am

2 stops36h 09m

$667

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mar. 8/5

4:10 pm-4:05 pm

2 stops15h 55m

Zagreb Franjo Tuđman

mar. 8/19

6:45 am-3:30 pm

2 stops16h 45m

$670

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

sáb. 8/2

4:46 pm-10:15 am

2 stops57h 29m

Zagreb Franjo Tuđman

mié. 8/20

12:10 pm-9:53 pm

2 stops41h 43m

$675

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mar. 7/15

4:15 pm-12:35 pm

1 stop12h 20m

Zagreb Franjo Tuđman

vie. 8/29

6:05 am-6:20 pm

2 stops44h 15m

$771

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

mar. 9/16

7:20 am-12:05 pm

2 stops20h 45m

Zagreb Franjo Tuđman

jue. 10/2

6:45 pm-4:25 pm

1 stop29h 40m

$776

DenverZagreb

DEN - ZAG

DENZAG

Denver Intl

sáb. 9/20

6:00 pm-12:35 pm

2 stops34h 35m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
1
2

Best time to book a flight from Colorado to Zagreb

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

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

Currently, November is the cheapest month in which you can book a flight from Colorado to Zagreb (average of $641). Flying from Colorado to Zagreb in June is currently the most expensive (average of $1,267). 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 CO to ZAG?

Find hourly flight availability from Colorado 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 junio 12, 2025.

When flying from Colorado to Zagreb, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Zagreb by month

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

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

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 junio 12, 2025.
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

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
1,302 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

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
7,946 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

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.
KLM
7.8
Good
1,358 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

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
802 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

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
8,790 reviews
Singapore Airlines
8.1
Very good
1,302 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

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 Colorado to Zagreb. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Zagreb from Colorado?

    Zagreb Franjo Tuđman (ZAG) is the airport you will fly into if you book a flight from Colorado to Zagreb. It is only a 6.7 mi journey from Franjo Tuđman (ZAG) to Zagreb’s city center.

  • What are the cheapest airlines to fly from Colorado to Zagreb one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $617. However, be on the lookout for offers from Turkish Airlines and Singapore Airlines, as they are both options that can get you from Colorado to Zagreb for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Zagreb?

    Currently, November is the cheapest month in which you can book a flight from Colorado to Zagreb (average of $641). Flying from Colorado to Zagreb in June is currently the most expensive (average of $1,267). 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

Traveling to a place near Colorado?

Book flights to Colorado if you plan to visit one of these locations
Velika Gorica

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Zagreb

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Dubrovnik flights
John F Kennedy Intl to Dubrovnik flights
John F Kennedy Intl to Split flights
Newark to Split flights
John F Kennedy Intl to Zagreb flights
LaGuardia to Split flights
LaGuardia to Dubrovnik flights
Boston to Dubrovnik flights
Newark to Zagreb flights
O'Hare Intl to Dubrovnik flights
Dulles Intl to Split flights
Boston to Split flights
O'Hare Intl to Zagreb flights
John F Kennedy Intl to Pula flights
O'Hare Intl to Split flights
Los Angeles to Split flights
LaGuardia to Zagreb flights
Los Angeles to Dubrovnik flights
Dulles Intl to Dubrovnik flights
Baltimore to Split flights
Reagan-National to Split flights
San Francisco to Dubrovnik flights
Dallas/Fort Worth to Dubrovnik flights
San Francisco to Zagreb flights
Reagan-National to Dubrovnik flights
San Francisco to Split flights
Baltimore to Dubrovnik flights
Boston to Zagreb flights
Dulles Intl to Zagreb flights
John F Kennedy Intl to Rijeka flights
Seattle to Dubrovnik flights
Los Angeles to Zagreb flights
Seattle to Zagreb flights
Midway to Split flights
Detroit to Dubrovnik flights
John F Kennedy Intl to Zadar flights
Seattle to Split flights
Newark to Pula flights
Atlanta to Split flights
Reagan-National to Zagreb flights
Miami to Dubrovnik flights
Boston to Pula flights
Dallas/Fort Worth to Zagreb flights
Newark to Zadar flights
Ontario to Zagreb flights
Miami to Zagreb flights
Atlanta to Zagreb flights
Baltimore to Zagreb flights
Denver to Dubrovnik flights
Ontario to Dubrovnik flights

Top 2 airlines flying from Colorado to Zagreb

Discover the top 2 airlines that operate flights from Colorado 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$554Average$673FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$732Average$1,081FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.