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Preparing your page…Czech Airlines (IATA code OK, ICAO code CSA), the flag carrier of the Czech Republic, holds a distinguished place in European aviation history. Founded on October 6, 1923, as Československé státní aerolinie (ČSA), the airline began operations just a few months later, making it one of the oldest airlines in the world still in existence. Its early years were…
Czech Airlines (IATA code OK, ICAO code CSA), the flag carrier of the Czech Republic, holds a distinguished place in European aviation history. Founded on October 6, 1923, as Československé státní aerolinie (ČSA), the airline began operations just a few months later, making it one of the oldest airlines in the world still in existence. Its early years were marked by domestic and international expansion, and after the dissolution of Czechoslovakia in 1993, the carrier was rebranded as Czech Airlines while retaining its historic IATA and ICAO codes. Over the decades, ownership has shifted between the Czech state and private investors. In the post-communist era, the airline was initially fully state-owned, but by the early 2000s partial privatisation efforts began. In recent years, ownership has changed hands multiple times; notably, in 2018, the company was acquired by the travel conglomerate Smartwings (Travel Service), though the Czech state retained a minority stake through the Czech Aeroholding. This new ownership structure has allowed Czech Airlines to maintain its brand identity while benefiting from operational synergies with Smartwings, particularly in the leisure and charter market.
The fleet of Czech Airlines has undergone significant modernisation and consolidation over the last decade. As of the most recent operational data, the carrier operates a relatively streamlined fleet centred on narrow-body aircraft suitable for its medium-haul network. The backbone consists of Airbus A320 family jets, primarily the A319 and A320 models, which offer cost-efficient operations and passenger comfort. For shorter and lower-demand routes, the airline also once operated ATR turboprops and regional jets, but these have been largely phased out. The current fleet is all-Airbus for its scheduled services, supplemented by Boeing 737 aircraft operated under the Smartwings group’s fleet when needed for seasonal or charter capacity. Czech Airlines has historically been known for its reliability and has maintained a strong safety record. However, like many legacy carriers in Central and Eastern Europe, it has faced financial challenges and fleet downsizing, making its present-day operations leaner and more focused on efficiency.
The airline’s primary operational base is Václav Havel Airport Prague (PRG), located in the capital city. Prague serves as the main hub for all scheduled flights, connecting passengers across Europe and to a handful of destinations in the Middle East and the Caucasus. In addition, the carrier has historically maintained a secondary focus at Brno-Tuřany Airport and Leoš Janáček Airport Ostrava, though these have been less prominent in recent years due to network rationalisation. As the flag carrier of the Czech Republic, Czech Airlines operates under a full-service, network carrier model, offering business and economy classes on its scheduled flights. However, due to its close ties with Smartwings, the airline also engages in charter and ACMI (Aircraft, Crew, Maintenance, and Insurance) services, particularly during the summer season. This hybrid operational model—part scheduled, part charter—allows the airline to remain agile in a competitive European market.
A defining feature of Czech Airlines’ modern identity is its membership in the SkyTeam global airline alliance, which it joined in 2001. As one of the founding members of SkyTeam from Central Europe, the airline has been able to offer its passengers a wide network of codeshare connections and reciprocal benefits through the alliance’s global partners, including Delta Air Lines, Air France, and KLM. Over its near-century-long history, Czech Airlines has achieved several notable milestones. It was among the first airlines in the world to introduce jet aircraft on its long-haul routes, operating the Tupolev Tu-104 in the late 1950s. It also became one of the few carriers globally to operate an Ilyushin Il-62 jet on transatlantic services. More recently, the airline has received recognition for its in-flight service quality and punctuality, winning awards such as the “Best Airline in Eastern Europe” by various travel publications. Despite financial turbulence and ownership changes, Czech Airlines remains a symbol of Czech aviation heritage, flying under its iconic OK code and maintaining its commitment to connecting Prague with the world.
Airports where Czech Airlines concentrates the most flights.
Most-served airports across Czech Airlines's network.
Czech Airlines flies to airports in these countries — click any country for the full directory.
…and 3 more countries.