$439+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ZAG
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Denver 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 Denver to Zagreb
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Best
Last-minute
One-way
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 May 20, 2026.
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 May 20, 2026.
This Gotogate deal was found by Cheapflights users on 5/19. 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.
Tue 10/68:25 pm
DEN
- ZAG
1 stop15h 05m
Turkish Airlines
Wed 10/141:55 pm
ZAG
- DEN
1 stop36h 30m
Turkish Airlines
Deal found 5/19![Turkish Airlines logo]()
$804
This Gotogate deal was found by Cheapflights users on 5/19. 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.
Sun 9/208:25 pm
DEN
- ZAG
1 stop15h 05m
Turkish Airlines
Sun 10/49:35 am
ZAG
- DEN
1 stop16h 50m
Turkish Airlines
Deal found 5/19![Turkish Airlines logo]()
$805
This Booking.com deal was found by Cheapflights users on 5/16. 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.
Thu 9/38:25 pm
DEN
- ZAG
1 stop32h 35m
Turkish Airlines
Sat 9/121:55 pm
ZAG
- DEN
1 stop36h 30m
Turkish Airlines
Deal found 5/16![Turkish Airlines logo]()
$808
This Gotogate deal was found by Cheapflights users on 5/17. 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.
Wed 9/25:40 pm
DEN
- ZAG
2 stops19h 55m
Multiple Airlines
Wed 9/91:20 pm
ZAG
- DEN
2 stops17h 48m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$821
This Turkish Airlines deal was found by Cheapflights users on 5/18. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:25 pm
DEN
- ZAG
1 stop28h 15m
Turkish Airlines
Sat 9/268:25 pm
ZAG
- DEN
1 stop30h 00m
Turkish Airlines
Deal found 5/18![Turkish Airlines logo]()
$822
This Air Canada deal was found by Cheapflights users on 5/18. 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.
Sat 10/107:50 pm
DEN
- ZAG
2 stops34h 35m
Air Canada
Fri 10/236:00 am
ZAG
- DEN
2 stops38h 31m
Air Canada
Deal found 5/18![Air Canada logo]()
$824
This oojo deal was found by Cheapflights users on 5/18. 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.
Wed 9/96:40 pm
DEN
- ZAG
1 stop34h 05m
British Airways
Mon 9/212:40 pm
ZAG
- DEN
1 stop33h 50m
British Airways
Deal found 5/18![British Airways logo]()
$832
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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 9/25:40 pm
DEN
- ZAG
2 stops19h 55m
Lufthansa
Wed 9/96:15 am
ZAG
- DEN
1 stop15h 30m
Lufthansa
Deal found 5/17![Lufthansa logo]()
$835
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 9/94:15 pm
DEN
- ZAG
1 stop21h 20m
Lufthansa
Mon 9/213:10 pm
ZAG
- DEN
2 stops30h 35m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$843
This Gotogate deal was found by Cheapflights users on 5/16. 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.
Wed 8/124:15 pm
DEN
- ZAG
1 stop21h 20m
Multiple Airlines
Tue 9/85:35 am
ZAG
- DEN
2 stops25h 33m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$851
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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 8/124:15 pm
DEN
- ZAG
1 stop12h 20m
Lufthansa
Tue 9/86:15 am
ZAG
- DEN
1 stop15h 30m
Lufthansa
Deal found 5/16![Lufthansa logo]()
$858
This FlightHub deal was found by Cheapflights users on 5/18. 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.
Sat 10/104:05 pm
DEN
- ZAG
1 stop12h 30m
Lufthansa
Fri 10/236:15 am
ZAG
- DEN
1 stop16h 05m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$862
Best flights from Denver to ZagrebDiscover 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 May 20, 2026.
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 May 20, 2026.
This Turkish Airlines deal was found by Cheapflights users on 5/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:25 pm
DEN
- ZAG
1 stop15h 05m
Turkish Airlines
Sat 9/268:25 pm
ZAG
- DEN
1 stop30h 00m
Turkish Airlines
Deal found 5/15![Turkish Airlines logo]()
$822
This Delta deal was found by Cheapflights users on 5/18. 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.
Sat 10/2412:20 pm
DEN
- ZAG
2 stops19h 15m
Delta
Sun 11/16:30 am
ZAG
- DEN
2 stops24h 03m
Delta
Deal found 5/18![Delta logo]()
$877
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Thu 9/37:40 am
DEN
- ZAG
2 stops22h 10m
United Airlines
Sat 9/125:45 am
ZAG
- DEN
1 stop17h 55m
United Airlines
Deal found 5/16![United Airlines logo]()
$938
This KLM deal was found by Cheapflights users on 5/18. 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.
Wed 7/85:40 pm
DEN
- ZAG
1 stop34h 00m
KLM
Mon 7/206:00 am
ZAG
- DEN
2 stops19h 27m
KLM
Deal found 5/18![KLM logo]()
$1,036
This KLM deal was found by Cheapflights users on 5/20. 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.
Wed 7/85:40 pm
DEN
- ZAG
1 stop18h 45m
Multiple Airlines
Sun 7/1912:30 pm
ZAG
- DEN
1 stop35h 10m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,043
This Delta deal was found by Cheapflights users on 5/16. 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.
Wed 7/86:35 am
DEN
- ZAG
2 stops21h 05m
Delta
Mon 7/206:00 am
ZAG
- DEN
2 stops25h 27m
Delta
Deal found 5/16![Delta logo]()
$1,039
This KLM deal was found by Cheapflights users on 5/18. 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.
Wed 7/85:40 pm
DEN
- ZAG
1 stop34h 00m
KLM
Sun 7/1912:30 pm
ZAG
- DEN
1 stop35h 10m
KLM
Deal found 5/18![KLM logo]()
$1,046
This Delta deal was found by Cheapflights users on 5/19. 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.
Wed 7/86:35 am
DEN
- ZAG
2 stops21h 05m
Delta
Sun 7/196:00 am
ZAG
- DEN
2 stops24h 44m
Delta
Deal found 5/19![Delta logo]()
$1,039
Last-minute flights from Denver to ZagrebDiscover last-minute flight deals from Denver to Zagreb. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Zagreb. Data last updated May 20, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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.
Tue 5/194:05 pm
DEN
- ZAG
1 stop21h 30m
Lufthansa
Tue 5/266:15 am
ZAG
- DEN
1 stop16h 05m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$1,001
This Gotogate deal was found by Cheapflights users on 5/18. 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.
Tue 5/194:05 pm
DEN
- ZAG
1 stop21h 30m
Multiple Airlines
Tue 5/265:35 am
ZAG
- DEN
2 stops25h 35m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,009
This Delta deal was found by Cheapflights users on 5/18. 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 5/1910:48 am
DEN
- ZAG
2 stops20h 17m
Delta
Tue 5/266:00 am
ZAG
- DEN
2 stops22h 01m
Delta
Deal found 5/18![Delta logo]()
$1,033
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Wed 5/2011:25 am
DEN
- ZAG
2 stops18h 50m
United Airlines
Wed 5/275:55 am
ZAG
- DEN
2 stops20h 28m
United Airlines
Deal found 5/19![United Airlines logo]()
$1,048
This Gotogate deal was found by Cheapflights users on 5/18. 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.
Tue 5/264:05 pm
DEN
- ZAG
1 stop21h 30m
Lufthansa
Tue 6/26:15 am
ZAG
- DEN
1 stop16h 05m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$1,146
This Condor deal was found by Cheapflights users on 5/18. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:00 am
DEN
- ZAG
2 stops29h 05m
Multiple Airlines
Tue 6/27:40 am
ZAG
- DEN
2 stops23h 06m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,152
This Gotogate deal was found by Cheapflights users on 5/15. 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.
Wed 5/274:05 pm
DEN
- ZAG
1 stop21h 30m
Lufthansa
Sat 6/61:20 pm
ZAG
- DEN
1 stop33h 00m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$1,183
This Gotogate deal was found by Cheapflights users on 5/19. 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.
Wed 6/34:05 pm
DEN
- ZAG
1 stop21h 30m
Multiple Airlines
Fri 6/121:20 pm
ZAG
- DEN
2 stops17h 50m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,151
This Gotogate deal was found by Cheapflights users on 5/17. 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.
Mon 6/155:40 pm
DEN
- ZAG
1 stop12h 30m
Lufthansa
Mon 6/226:15 am
ZAG
- DEN
1 stop16h 05m
Lufthansa
Deal found 5/17![Lufthansa logo]()
$1,136
One-way flights from Denver to ZagrebSearch for one-way flight options from Denver to Zagreb. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Denver to Zagreb. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2112:15 pm
DEN
- ZAG
3 stops49h 10m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:15 pm
DEN
- ZAG
3 stops48h 25m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:40 am
DEN
- ZAG
3 stops47h 25m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$514
This British Airways deal was found by Cheapflights users on 5/19. 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.
Fri 7/36:35 pm
DEN
- ZAG
1 stop31h 15m
British Airways
Deal found 5/19![British Airways logo]()
$526
This Delta deal was found by Cheapflights users on 5/18. 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.
Fri 7/36:05 am
DEN
- ZAG
2 stops21h 35m
Delta
Deal found 5/18![Delta logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:15 pm
DEN
- ZAG
3 stops25h 20m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:40 am
DEN
- ZAG
3 stops32h 35m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$593
Find 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 May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $804 (Gotogate) |
One-way from | $439 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,173 |
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 May 20, 2026.
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
Cheapest round-trip
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Sat 9/12
8:25 pm-7:30 pm
1 stop15h 05m
Zagreb Franjo Tuđman
Sat 9/26
8:25 pm-6:25 pm
1 stop30h 00m
$822
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Sat 10/24
12:20 pm-3:35 pm
2 stops19h 15m
Zagreb Franjo Tuđman
Sun 11/1
6:30 am-11:33 pm
2 stops24h 03m
$877
Quickest round-trip
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Thu 9/3
7:40 am-1:50 pm
2 stops22h 10m
Zagreb Franjo Tuđman
Sat 9/12
5:45 am-3:40 pm
1 stop17h 55m
$938
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Wed 7/8
5:40 pm-11:40 am
1 stop34h 00m
Zagreb Franjo Tuđman
Mon 7/20
6:00 am-5:27 pm
2 stops19h 27m
$1,036
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Wed 7/8
6:35 am-11:40 am
2 stops21h 05m
Zagreb Franjo Tuđman
Mon 7/20
6:00 am-11:27 pm
2 stops25h 27m
$1,039
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Wed 7/8
6:35 am-11:40 am
2 stops21h 05m
Zagreb Franjo Tuđman
Sun 7/19
6:00 am-10:44 pm
2 stops24h 44m
$1,039
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Wed 7/8
5:40 pm-8:25 pm
1 stop18h 45m
Zagreb Franjo Tuđman
Sun 7/19
12:30 pm-3:40 pm
1 stop35h 10m
$1,043
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Wed 7/8
5:40 pm-11:40 am
1 stop34h 00m
Zagreb Franjo Tuđman
Sun 7/19
12:30 pm-3:40 pm
1 stop35h 10m
$1,046
Cheapest one-way
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Sun 6/21
12:15 pm-1:15 am
3 stops53h 00m
$443
DenverZagreb
DEN - ZAG
DENZAG
Denver Intl
Sat 6/20
7:40 am-3:05 pm
3 stops47h 25m
$514
Showing 1-10 of 14 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Zagreb flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Zagreb flight deals on Cheapflights vs. FlightHub >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 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 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.
DEN-ZAG
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 65 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.
How much does it cost to fly round-trip from Denver to Zagreb?
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 May 20, 2026.
Read reviews from past customers who have flown Turkish Airlines,United Airlines, andLufthansa 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.
Crew
7.8
Entertainment
7.5
Food
7.5
Comfort
7.3
Overall
7.4
Boarding
7.3
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Entertainment
7.5
Food
7.5
Comfort
7.3
Overall
7.4
Boarding
7.3
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Entertainment
7.5
Food
7.5
Comfort
7.3
Overall
7.4
Boarding
7.3
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
Crew
7.8
Entertainment
7.5
Food
7.5
Comfort
7.3
Overall
7.4
Boarding
7.3
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DEN - IST
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$617 | Average$920 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$629 | Average$874 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$730 | Average$1,092 | FlexibilityNo cancel fee | On-time76% |