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

Compare Denver International to Zagreb flight deals

Find the cheapest month or even day of the year to fly to Zagreb

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Flight deals from Denver International to Zagreb

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Zagreb Airport? If you want to travel next month, return fares start from $1,180. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Zagreb

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Zagreb flights are currently cheapest in October.

Denver International to Zagreb: Alternative routes

Compare routes from Denver International to Zagreb below. You may find an airport to fly into that's cheaper, faster, or easier than Zagreb.

Denver to Zagreb: Flight information

The things to know before you go.
Cheapest flight found$1,002
Cheapest month to flyOctober

Finding cheap flights from Denver International to Zagreb: Frequently asked questions

The best price we found for a return flight from Denver International to Zagreb is $1,002. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Zagreb. But we found flights with one or more stops from $1,002.
As of July 2026, there are no flights flying from Denver International to Zagreb.
The cheapest month to fly from Denver International to Zagreb is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Zagreb Airport on Saturday, 10 October 2026.
No airlines currently offer direct flights between Denver International Airport and Zagreb Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Zagreb but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Zagreb is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Turkish Airlines offers the cheapest flight tickets to Zagreb.

Flying from Denver International Airport (DEN) to Zagreb Airport (ZAG): what you need to know

  • Zagreb is eight hours ahead of Denver and follows the UTC+1 timezone.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your DEN to ZAG flight.

  • Travelling during a peak month like July? Public holidays and other high seasons can result in longer lines and delays at airport checkpoints. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Think about adding a stopover when booking your ticket from Denver International Airport to Zagreb Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between DEN and ZAG:

    • London Heathrow Airport

    • Frankfurt am Main Airport

    • Munich Airport

How to find the cheapest flights from Denver International Airport (DEN) to Zagreb Airport (ZAG)

  • $502 is currently the lowest price for a one-way Denver International Airport to Zagreb Airport flight. A return flight starts from $1,002. These prices can change depending on demand.

  • To score cheap tickets from DEN to ZAG, book in advance. Airlines tend to offer the most competitive fares when flights are first made available.

  • The 'Whole month' tool shows you the cheapest flights from Denver International Airport to Zagreb Airport across the entire month. It's a good way to find a bargain if your plans are flexible.

  • You don't need to check every day to find out if fares have gone down when you set up a Price Alert. We'll let you know the moment the price changes on cheap flights from DEN to ZAG.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Denver International Airport to Zagreb Airport.

Handy information about Denver International Airport (DEN)

  • DEN's address is 8500 Pena Boulevard.

  • Denver International Airport gets top marks for its on-time performance. 80% of flights that take off from DEN arrive at their destination without delay.

  • To get to Denver International Airport from central Denver, it takes about 35 minutes if you're going by car. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.

  • The journey on public transport will take about 35 minutes.

  • Get your flight from Denver International Airport to Zagreb Airport off to a hassle-free start. Only a short drive from DEN, spend the night in Baymont by Wyndham Denver International Airport and be well-rested for the trip ahead.

Arriving at Zagreb Airport (ZAG)

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a Denver International Airport to Zagreb Airport flight. Check in to one of these accommodation options near ZAG instead:

  • Follow your own route with a Zagreb Airport rental car. Pick up a set of wheels from AVIA Rent, Green Motion or OK Mobility and venture far and wide through Zagreb and beyond.

  • Booking your vehicle from Zagreb Airport around four weeks ahead can help you get the best possible rate.

When to fly to Zagreb Airport (ZAG)

  • It's time to work out your trip dates for your flight from Denver International Airport to Zagreb Airport. September is the busiest month to visit Zagreb. If you want a more low-key vibe, go in March.

  • The warmest month in Zagreb is August, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from Denver International Airport to Zagreb Airport in this month if this is the kind of weather you like.

  • If you like travelling in cooler conditions, search for a cheap ticket from DEN to ZAG in January. Temperatures average between -7ºC (19ºF) and 8ºC (46ºF) then.

Explore more of Croatia

  • Zagreb has its own special appeal, but there are so many other parts of Croatia waiting to be discovered. About 257 kilometres south of Zagreb, a visit to Split will keep you busy. Start with leading sights like Diocletian's Palace, Old Split and Peristil.

  • If there's time to check out another corner of Croatia, head for Rijeka, roughly 129 kilometres south-west of Zagreb. Teatro Fenice, The St. Vitus Cathedral and Church of St. Nicholas are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.