Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
     I, Barry Diller, Chairman and Senior Executive of Expedia, Inc. (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that, to my knowledge:
1)   the Quarterly Report on Form 10-Q of the Company for the quarter ended June 30, 2006 (the “Report”) which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
 
2)   the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of
the Company.
         
     
Date: August 10, 2006  /s/ BARRY DILLER    
  Barry Diller   
  Chairman and Senior Executive