The aviation landscape of Southeast Europe has undergone a seismic shift over the last six years. For Franjo Tuđman Airport (ZAG) in Zagreb, the journey from the pre-pandemic era of 2019 to the current operational landscape of 2025 is a narrative of strategic pivoting, aggressive low-cost expansion, and a fundamental change in how Croatia’s capital connects with the rest of the continent.
The 2019 Snapshot: A Traditional Hub
In 2019, Zagreb was operating under a traditional aviation model. The airport was primarily the fortress of the national carrier, Croatia Airlines, focusing on hub-and-spoke connectivity to major European gateways like Frankfurt, Munich, and London. That year, the airport celebrated what was then a historic high, handling approximately 3.43 million passengers. While the numbers were strong, the growth was steady rather than explosive, and the airport was often criticized for its relatively high airport fees which deterred budget carriers.
The 2025 Boom: Breaking the Ceiling
Fast forward to 2025, and the picture has changed entirely. The “Zagreb Question”—whether the city could ever move beyond being a secondary transit point to the coast—has been answered with a resounding yes.
The most significant catalyst for this change was the entry of Ryanair, which established a base in Zagreb and fundamentally altered the market dynamics. By 2024, Zagreb had already surpassed its 2019 records, and the data for 2025 shows an airport that has broken through the 4.5-million-passenger ceiling. This represents a staggering growth of over 30% compared to the pre-pandemic benchmark.
The growth in 2025 is not just about volume; it is about diversity. Zagreb is no longer just a “business and administration” destination. It has successfully rebranded itself as a year-round city-break destination. The world-renowned Advent in Zagreb, combined with a burgeoning tech scene and increased diaspora travel, has ensured that the airport remains busy even during the traditional “dead” months of January and February.
For those tracking the granular data, the official Zagreb Airport statistics provide a month-by-month breakdown of how the capital is outpacing its historical records.
The Regional Rivalry: Zagreb vs. Ljubljana
When analyzing Zagreb’s success, it is impossible to ignore the comparison with its neighbor, Jože Pučnik Airport in Ljubljana (LJU). Historically, the two airports competed for passengers from the northern Croatian and Slovenian border regions.
However, by 2025, a clear divergence has emerged:
- Connectivity: While Zagreb aggressively courted low-cost carriers (LCCs) to supplement its legacy traffic, Ljubljana has struggled to recover its pre-pandemic connectivity following the collapse of its national carrier, Adria Airways.
- Passenger Volume: In 2025, Zagreb’s passenger volume is nearly triple that of Ljubljana’s. Zagreb has effectively become the primary “secondary hub” for the region, drawing in Slovenian travelers who find better prices and more direct routes just two hours away in the Croatian capital.
- Infrastructure: While both airports boast modern terminals, Zagreb’s concession model has allowed for more aggressive marketing to new airlines, a move that has clearly paid off in the 2025 figures.
Why Do Travelers Choose Zagreb in 2025?
The influx of passengers to Zagreb in 2025 is driven by three main factors:
- Affordability and Choice: With over 30 new routes added since 2021, Zagreb now offers direct connections to secondary European cities that were previously inaccessible without a layover.
- Schengen and Eurozone Integration: Croatia’s entry into the Schengen Area and the Eurozone has removed significant friction for European travelers. The ease of “hop-on, hop-off” travel has made Zagreb a premier weekend destination for Italians, Austrians, and Germans.
- The “Beyond the Coast” Strategy: The Croatian National Tourist Board has successfully promoted Zagreb as the gateway to the interior, highlighting the Plitvice Lakes, the Zagorje hills, and the city’s vibrant museum culture, rather than just using it as a transfer point to Split or Dubrovnik.
Conclusion: A New Era
Comparing 2019 to 2025 shows that Zagreb has done more than just recover; it has reinvented its role in the European aviation network. By moving away from a high-cost, legacy-only model and embracing the LCC revolution, the airport has ensured that the “numbers” aren’t just growing—they are thriving. As we move through the rest of 2025, Franjo Tuđman Airport stands as a case study in how a capital city can step out of the shadow of its own coastline and its regional neighbors to become a destination in its own right.












