UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20546

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 July, 2018

Commission File Number: 333-221916

Corporación América Airports S.A.

(Name of Registrant)

4, rue de la Grêve
L-1643, Luxembourg
Tel: +35226258274
Fax: +35226259776

(Address of Principal Executive Office)

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 if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Our wholly-owned subsidiary, Dicasa S.A. (“Dicasa”), and Mataar Holdings 2 BV (“Mataar”), a wholly-owned subsidiary of Investment Corporation of Dubai (“ICD”), the principal investment arm of the Government of Dubai, have entered into a share purchase agreement whereby Dicasa will sell 25% of the capital it currently owns in its wholly-owned subsidiary, Corporación America Italia S.p.A. (“CAI”), to Mataar for a purchase price of €48,889,453 (the “Transaction”).

Additionally, CAAP and ICD also entered into a Memorandum of Understanding (“MOU”) to jointly pursue new opportunities in the airport sector in the Middle East, Eastern Europe (exc. Russia) and Italy. The MOU aims to build upon CAAP’s management capabilities and deep knowledge of the airport industry as well as ICD´s unique access to financing and the capital markets.

The Transaction is expected to close on August 31, 2018, and is subject to the satisfaction of certain customary conditions precedent. We intend to use the net proceeds received from the Transaction for general corporate purposes, including funding capital expenditures and growth opportunities.

This Form 6-K contains the press release jointly issued by CAAP and ICD to announce the Transaction and the MOU.

Exhibits

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.

Date: July 25, 2018