The FIS Ski Flying World Ski Championships 2004 took place on 19–22 February 2004 in Planica, Slovenia for the record fifth time.

Planica hosted the championships previously in 1972, 1979, 1985, and 1994.

The team event, consisting of two jumps, debuted at these championships.

[1] Ahonen and Germany's Georg Späth had the longest jumps of the competition with their 225.0 m second round-jumps.

[5] Romøren had the longest jump of the event with his second round jump of 227.0 m.