Flight Centre has reaffirmed its full year guidance after a 9.5 per cent slide in its first half profit.

The company made a net profit of $100.3 million for the six months to December 31, down from $110.8 million a year ago.

Underlying profit was down nearly seven per cent to $97.6 million but the company reaffirmed its full year guidance for an underlying profit of between $360 million and $390 million, which compares to last years $376.5 million profit.

Flight Centre announced a fully franked interim dividend of 55 cents per share, unchanged from a year ago.

AAP