České aerolinie (or Czech airlines) is the Czech national airline company, founded on 6th October 1923 and headquartered in Prague. Twenty-three days later, its first transport flight took place, flying between Prague and Bratislava.

The company now connects to most major European destinations and to transit points in North America, Asia, the Middle East and North Africa and carries in excess of 2 million passengers each year.

The airline uses three types of aircraft:

• Airbus A310-300 airplanes for on long-distance flights
• Boeing 737 airplanes on most European routes and to the Middle East
• ATR airplanes on short distance flights.

with the average age of CSA airplanes being approximately seven years

Two travelling classes are available on all regular flights: Business and Travel. All flights are non-smoking.

The airline runs a frequent flyer programme called the "OK Plus Frequent Flyer Programme".

As of autumn 2003, CSA fly to the following destinations:

• Armenia: Yerevan
• Austria: Vienna
• Belgium: Brussels
• Bulgaria: Sofia
• Canada: Montreal, Toronto
• Croatia: Zagreb
• Cyprus: Larnaca
• Czech Republic: Brno, Prague, Karlovy Vary, Ostrava
• Denmark: Copenhagen
• Egypt: Cairo
• Estonia: Tallinn
• Finland: Helsinki
• France: Paris
• Germany: Berlin, Bonn, Dusseldorf, Frankfurt, Hamburg, Hanover, Köln, Munich, Stuttgart
• Greece: Athens, Thessaloniki
• Hungary: Budapest
• Israel: Tel Aviv
• Italy: Bologna, Milan, Rome, Venezia
• Kuwait: Kuwait
• Latvia: Riga
• Lithuania: Vilnius
• Lebanon: Beirut
• Norway: Oslo
• Poland: Warsaw
• Republic of Ireland: Dublin, Cork
• Romania: Bucharest
• Russia: Moscow, St Petersburg
• Slovakia: Bratislava, Kosice
• Slovenia: Ljubljana
• Spain: Barcelona, Madrid
• Sri Lanka: Colombo
• Sweden: Gothenburg, Stockholm
• Switzerland: Zurich
• The Netherlands: Amsterdam
• Turkey: Istanbul
• USA: New York, Newark, NJ
• Ukraine: Kyiv
• United Arab Emirates: Abu Dhabi, Al Ain, Dubai
• United Kingdom: London, Manchester, Birmingham, Edinburgh