Title: Zagreb to Denver cheap flights from $647 (ZAG to DEN) - Expedia.com ![Denver Colorado downtown with City Park](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $647 Cheap Flights from Zagreb (ZAG) to Denver (DEN) [View $647 flight on Fri, May 15, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:ZAG,to:DEN,departure:5/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:646.99&airProductToken=AQqjAQo0CM-qARIDNDEwGJkwIKUEKPSCjQMw04ONAzhZQABYAWoORUNPTk9NWUNMQVNTSUNyA1NQTwo1CMSKARIEMjAzMhilBCCSASiYho0DMISLjQM4WUAAWAFqDkVDT05PTVlDTEFTU0lDcgNTUE8KNAjBpgESAzY0MhiSASCDaSj7jI0DMKeOjQM4WUAAWAFqDkVDT05PTVlDTEFTU0lDcgNTUE8SCggLEAEYCCoCT1UYASIECAEQASgCMAM) ## Popular airlines from Zagreb Airport (ZAG) to Denver Intl. Airport (DEN) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ZAG,to:DEN,departure:4/20/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:ZAG,to:DEN,departure:4/20/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.com/Flights-Search?leg1=from:ZAG,to:DEN,departure:4/20/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France [](https://www.expedia.com/Flights-Search?leg1=from:ZAG,to:DEN,departure:4/20/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.com/Flights-Search?leg1=from:ZAG,to:DEN,departure:4/20/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.com/Flights-Search?leg1=from:ZAG,to:DEN,departure:4/20/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ZAG,to:DEN,departure:4/20/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Zagreb to Denver (ZAG-DEN) Prices were available within the past 7 days and start at $647 for one-way flights and $878 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Sat, Apr 11 - Thu, Apr 16 ZAG Zagreb DEN Denver $878 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:4/11/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:877.33&airProductToken=AQpdCi0I1JYBEgQxMDU0GJkwIMicASinhYoDMLOGigM4VkAAWAFqAlBTcgZWTjJYUEIKLAjUlgESAzIwMRjInAEgg2kooYeKAzCZjYoDOFZAAVgBagJQU3IGVk4yWFBCCl0KLAjUlgESAzIwMhiDaSDInAEoscaKAzDyy4oDOExAAFgBagJQU3IGTE4yWFBCCi0I1JYBEgQxMDU1GMicASCZMCi4zIoDMLrNigM4TEABWAFqAlBTcgZMTjJYUEISCggBEAEYASoCVEsYASIECAEQASgCKAMoBDAB) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Thu, Apr 23 - Fri, Apr 24 ZAG Zagreb DEN Denver $892 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:4/23/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:891.63&airProductToken=AQpdCi0I1JYBEgQxMDU0GJkwIMicASinjIsDMLONiwM4VkAAWAFqAlBTcgZWTjJYUEIKLAjUlgESAzIwMRjInAEgg2kooY6LAzCZlIsDOFZAAVgBagJQU3IGVk4yWFBCCpUBCjgI1JYBEgQ4NjE4GINpIK4cKICeiwMwn5-LAzhVQABYAWoCUFNyBlZOMlhQQnoKCNWCARIEMTAyMwoqCNSWARIBNhiuHCDInAEo5p-LAzDmpIsDOFZAAVgBagJQU3IGVk4yWFBCCi0I1JYBEgQxMDU1GMicASCZMCi4posDMLqniwM4VkABWAFqAlBTcgZWTjJYUEISCggBEAEYASoCVEsYASIECAEQASgCKAMoBDAB) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Sun, May 10 - Tue, Jul 7 ZAG Zagreb DEN Denver $898 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:5/10/2026TANYT&leg2=from:DEN,to:ZAG,departure:7/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:897.33&airProductToken=AQpdCi0I1JYBEgQxMDU0GJkwIMicASjHy4wDMNPMjAM4TEAAWAFqAlBTcgZMTjJYUEIKLAjUlgESAzIwMRjInAEgg2kowc2MAzC504wDOExAAVgBagJQU3IGTE4yWFBCCl0KLAjUlgESAzIwMhiDaSDInAEo8eCRAzCy5pEDOExAAFgBagJQU3IGTE4yWFBCCi0I1JYBEgQxMDU1GMicASCZMCj45pEDMPrnkQM4TEABWAFqAlBTcgZMTjJYUEISCggBEAEYASoCVEsYASIECAEQASgCKAMoBDAB) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Sat, Apr 11 - Thu, Apr 16 ZAG Zagreb DEN Denver $921 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:4/11/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:920.23&airProductToken=AQqUAQotCNSWARIEMTA1NBiZMCDInAEop4WKAzCzhooDOFZAAFgBagJQU3IGVk4yWFBCCioI1JYBEgE1GMicASCuHCihh4oDMNOMigM4VkABWAFqAlBTcgZWTjJYUEIKNwjUlgESBDg2MTcYrhwgg2kox42KAzD6jooDOFVAAVgBagJQU3IGVk4yWFBCegkI1YIBEgM3NjcKXQosCNSWARIDMjAyGINpIMicASixxooDMPLLigM4TEAAWAFqAlBTcgZMTjJYUEIKLQjUlgESBDEwNTUYyJwBIJkwKLjMigMwus2KAzhMQAFYAWoCUFNyBkxOMlhQQhIKCAEQARgBKgJUSxgBIgQIARABKAIoAygEMAE) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Sat, Apr 11 - Thu, Apr 16 ZAG Zagreb DEN Denver $986 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:4/11/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:985.31&airProductToken=AQpdCi0I1JYBEgQxMDU0GJkwIMicASinhYoDMLOGigM4VkAAWAFqAlBTcgZWTjJYUEIKLAjUlgESAzIwMRjInAEgg2kooYeKAzCZjYoDOFZAAVgBagJQU3IGVk4yWFBCCocBCikIwmwSAjk4GINpIKlRKIfIigMw48mKAzhQQABYAWoCUFNyBlROMlhQQgorCNSWARICMTIYqVEgyJwBKMnSigMwl9eKAzhUQAFYAWoCUFNyBlROMlhQQgotCNSWARIEMTA1NRjInAEgmTAo2NeKAzDa2IoDOFRAAVgBagJQU3IGVE4yWFBCEgoIARABGAEqAlRLGAEiBAgBEAEoAigDKAQwAQ) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Sat, Apr 11 - Thu, Apr 16 ZAG Zagreb DEN Denver $1,022 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:4/11/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1021.61&airProductToken=AQqUAQotCNSWARIEMTA1NBiZMCDInAEop4WKAzCzhooDOFZAAFgBagJQU3IGVk4yWFBCCioI1JYBEgE1GMicASCuHCihh4oDMNOMigM4VkABWAFqAlBTcgZWTjJYUEIKNwjUlgESBDg2MTcYrhwgg2kox42KAzD6jooDOFVAAVgBagJQU3IGVk4yWFBCegkI1YIBEgM3NjcKhwEKKQjCbBICOTgYg2kgqVEoh8iKAzDjyYoDOFBAAFgBagJQU3IGVE4yWFBCCisI1JYBEgIxMhipUSDInAEoydKKAzCX14oDOFRAAVgBagJQU3IGVE4yWFBCCi0I1JYBEgQxMDU1GMicASCZMCjY14oDMNrYigM4VEABWAFqAlBTcgZUTjJYUEISCggBEAEYASoCVEsYASIECAEQASgCKAMoBDAB) ![Croatia Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OU.gif) Thu, Apr 16 - Thu, Apr 30 ZAG Zagreb DEN Denver $1,053 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:4/16/2026TANYT&leg2=from:DEN,to:ZAG,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1052.98&airProductToken=AQqhAQo0CM-qARIDNDEwGJkwIKUEKNS8igMws72KAzhZQABYAWoORUNPTk9NWUNMQVNTSUNyA1NQTwo1CMSKARIEMjAxNhilBCCpUSjEvooDMNHCigM4WUAAWAFqDkVDT05PTVlDTEFTU0lDcgNTUE8KMgjCbBICOTcYqVEgg2korMWKAzDQx4oDOFlAAFgBag5FQ09OT01ZQ0xBU1NJQ3IDU1BPCqMBCjQIwaYBEgM2NDMYg2kgkgEoiN6LAzDD34sDOFlAAFgBag5FQ09OT01ZQ0xBU1NJQ3IDU1BPCjUIxIoBEgQyMDMzGJIBIKUEKKHjiwMw_ueLAzhZQABYAWoORUNPTk9NWUNMQVNTSUNyA1NQTwo0CM-qARIDNDExGKUEIJkwKKDqiwMw8OqLAzhZQABYAWoORUNPTk9NWUNMQVNTSUNyA1NQTxIKCAsQARgIKgJPVRgBIgQIARABKAIwAw) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Sun, May 10 - Tue, Jul 7 ZAG Zagreb DEN Denver $1,075 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:5/10/2026TANYT&leg2=from:DEN,to:ZAG,departure:7/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1074.63&airProductToken=AQp3CjQIzJABEgQxNDA3GJkwIKUEKOvJjAMwysqMAzhLQABYAWoIRUNPTElHSFRyCEtYNlBBWEJRCj8IzJABEgQ3NTg2GKUEIINpKLDMjAMwl9GMAzhLQAFYAWoIRUNPTElHSFRyCEtYNlBBWEJRegkI1YIBEgMxODEKawozCMyQARIDNDgxGINpIIwVKPfekQMwwOORAzhLQABYAWoIRUNPTElHSFRyCEtYNlBBWEJRCjQIzJABEgQxNzI2GIwVIJkwKJrkkQMw2-SRAzhLQAFYAWoIRUNPTElHSFRyCEtYNlBBWEJREgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Jun 13 - Tue, Jul 28 ZAG Zagreb DEN Denver $1,120 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:6/13/2026TANYT&leg2=from:DEN,to:ZAG,departure:7/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1119.13&airProductToken=AQqmAQo9CMGGARIEOTIzORiZMCClBCihyI8DMIDJjwM4TEAAWAFqBUJBU0lDcghMWDZRQVhCUXoKCMyQARIEMTQwNwoxCMGGARIDODQxGKUEIJjOASigyo8DMLfOjwM4TEABWAFqBUJBU0lDcghMWDZRQVhCUQoyCMGGARIEMTAzORiYzgEgg2ko3dePAzDB2Y8DOExAAVgBagVCQVNJQ3IITFg2UUFYQlEKpgEKMgjBhgESBDEwNDAYg2kgmM4BKPrIkwMwuMqTAzhLQABYAWoFQkFTSUNyCEtYNlBBWEJRCjEIwYYBEgM4NDIYmM4BIKUEKNrMkwMwptCTAzhLQAFYAWoFQkFTSUNyCEtYNlBBWEJRCj0IwYYBEgQ5MzMwGKUEIJkwKIXRkwMw39GTAzhLQAFYAWoFQkFTSUNyCEtYNlBBWEJRegoIzJABEgQxNDA0EgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Sun, May 10 - Tue, Jul 7 ZAG Zagreb DEN Denver $1,198 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ZAG,to:DEN,departure:5/10/2026TANYT&leg2=from:DEN,to:ZAG,departure:7/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1197.73&airProductToken=AQqkAQowCMmEARIDOTQwGJkwIIwYKP7LjAMwrc2MAzhPQABYAWoFQkFTSUNyCE9MTjRDOEJXCjEIyYQBEgMzNjMYjBggo7EBKMPOjAMw5tOMAzhPQAFYAWoFQkFTSUNyCE9MTjRDOEJXCj0IyYQBEgQ0ODAxGKOxASCDaSj91IwDMPnVjAM4T0ABWAFqBUJBU0lDcghPTE40QzhCV3oJCMGCARIDNjYyCqQBCj0IyYQBEgQ0NzA2GINpIKOxASi33pEDMLnfkQM4TkAAWAFqBUJBU0lDcghOS043QzhCV3oJCMGCARIDNDIwCjEIyYQBEgMzNjQYo7EBIIwYKIXhkQMwyeWRAzhOQAFYAWoFQkFTSUNyCE5LTjdDOEJXCjAIyYQBEgM5MzkYjBggmTAo1O2RAzD57pEDOE5AAVgBagVCQVNJQ3IITktON0M4QlcSCggCEAEYAioCSUIYASIECAEQASgCKAMoBDAN) ## Frequently asked questions ### How much does a flight from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.) cost? ### What is the cheapest month to fly from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### Which airlines fly direct from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### What is the cheapest airline that flies from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### How do I find cheap flights from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### What is the best time to fly from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### What is the earliest flight from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### What are the most popular departure times for flights from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### How long does it take to fly from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ### Can you fly business or first class from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? > - Croatia Airlines > - Lufthansa > - Turkish Airlines > - Iberia > - Austrian Airlines > - British Airways > - Hop! > - KLM > - Braathens Regional Aviation ### How do I earn miles on a Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.) flight with Expedia? ### What airports do you fly into for Denver from ZAG (ZAG)? ### Is it cheaper to buy a plane ticket from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.) at the last minute? ### Is it cheaper to book a Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Zagreb (ZAG) to Denver, CO (DEN-Denver Intl.)? ## Travel information | Origin airport | Zagreb | | ------------------- | ------------------------------------------------------------------------------------------------------- | | Destination airport | Denver Intl. | | Airlines serving | Air Canada, Air France, Austrian Airlines, Delta, KLM, Lufthansa, Swiss International Air Lines, United | | Roundtrip price | $877 | | Distance | 5481 mi | ## Book with confidence # Zagreb to Denver Flights The cheapest times to fly from Zagreb to Denver 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 Zagreb to Denver are during the month of April. You can find some of the cheapest flights from Zagreb to Denver with Expedia's search tool and vast selection of airlines. The best time to book a flight from Zagreb to Denver Sunday is one of the best days to book for cheap flights from Zagreb to Denver: 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 Zagreb to Denver 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 Zagreb to Denver in 2026\. You can also book with separate airlines for your outbound and return journeys, from $647 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 Zagreb to Denver 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](https://www.expedia.com/package-deals). Bundling together your Zagreb to Denver 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. \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Denver Hotels ](https://www.expedia.com/Denver-Hotels.d178254.Travel-Guide-Hotels) - [Hotels near 61st & Peña station ](https://www.expedia.com/61st-Pena-Station-Hotels.d553248634328880573.Travel-Guide-Hotels) - [B&B in 61st & Peña station ](https://www.expedia.com/61st-Pena-Station-Bed-And-Breakfast.d553248634328880573-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Hotels near Green Valley Ranch ](https://www.expedia.com/Green-Valley-Ranch-Denver-Hotels.0-n553248635919602150-0.Travel-Guide-Filter-Hotels) - [Extended Stay America Hotels in Green Valley Ranch ](https://www.expedia.com/Green-Valley-Ranch-Denver-Hotels-Extended-Stay-America.0-n553248635919602150-0--bExtendedStayAmerica.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Green Valley Ranch ](https://www.expedia.com/5Star-Green-Valley-Ranch-Denver-Hotels.s50-n553248635919602150-0.Travel-Guide-Filter-Hotels) - 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