UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington, D.C. 20549



FORM 6-K

REPORT OF FOREIGN PRIVATE
  ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
  THE SECURITIES EXCHANGE ACT OF 1934

For the month of  December 2004

|GRUPO AEROPORTUARIO DEL SURESTE S.A. DE C.V.
      (SOUTHEAST AIRPORT GROUP)
|----------------------------------------------------------------------------
|                                                                            
|(Translation of Registrants Name Into English)                             



|México                                         
|-----------------------------------------------
|                                               
|(Jurisdiction of incorporation or organization)



|Blvd. Manuel Avila Camacho, No. 40, 6th Floor
      Col. Lomas de Chapultepec
      11000 México, D.F.
|------------------------------------------------------------------------------------------------------
|                                                                                                      
|(Address of principal executive offices)                                                              

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F x  Form 40-F

(Indicate by check mark whether the Registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

Yes  Nox


(If Yes is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-.)

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Nacional Financiera to Sell Stake in ITA


Mexico City, December 17, 2004, Grupo Aeroportuario del Sureste, S.A. de C.V. (NYSE: ASR; BMV: ASUR)(ASUR) the first privatized airport group in Mexico and operator of Cancun Airport and eight others in the southeast of Mexico, today was notified by Inversiones y Técnicas Aeroportuarias S.A. de C.V. (ITA), the Company ́s strategic partner, that Nacional Financiera, S.N.C. (NAFIN) has accepted an offer for the purchase of its 25.5% stake in ITA, to Infraestructura y Transportes México, S.A. de C.V. (ITM).

In the bidding process entered into by NAFIN to sell its 25.5% interest, ITM presented the highest bid of $35.7 million.

The sale of NAFINs stake in ITA to ITM is subject to the decision of ITAs other shareholders not to exercise their preemptive rights to buy the shares from NAFIN. ITA shareholders have fifteen calendar days beginning December 16th, 2004 to exercise their preemptive rights.

Mr. Fernando Chico Pardo has notified ASUR that he intends to exercise his preemptive rights to purchase NAFINs shares in ITA. If this ocurrs, ITAs equity structure after the NAFIN transaction will be as follows:

|Fernando Chico Pardo    |  | 63.5%
|----------------------- |  | -----
|Copenhagen Airports A/S |  | 36.5%

Grupo Aeroportuario del Sureste, S.A. de C.V. (ASUR) is a Mexican airport operator with concessions to operate, maintain and develop the airports of Cancun, Merida, Cozumel, Villahermosa, Oaxaca, Veracruz, Huatulco, Tapachula and Minatitlan in the southeast of Mexico. The Company is listed both on the NYSE in the U.S., where it trades under the symbol ASR, and on the Mexican Bolsa, where it trades under the symbol ASUR. One ADS represents ten (10) series B shares.

Some of the statements contained in this press release discuss future expectations or state other forward-looking information. Those statements are subject to risks identified in this press release and in ASURs filings with the SEC. Actual developments could differ significantly from those contemplated in these forward-looking statements. The forward-looking information is based on various factors and was derived using numerous assumptions. Our forward-looking statements speak only as of the date they are made and, except as may be required by applicable law, we do not have an obligation to update or revise them, whether as a result of new information, future or otherwise.

- # # # - 1


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# SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| | Grupo Aeroportuario del Sureste, S.A. de C.V.                                                      
| | ---------------------------------------------------------------------------------------------------
| |                                                                                                    
| | By:   /s/ ADOLFO CASTRO RIVAS
               Adolfo Castro Rivas
               Director of Finance

Date:   December 20, 2004