AVH Avianca Holdings SA

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of August, 2018.

Commission File Number 001-36142

Avianca Holdings S.A.

(Translation of registrant’s name into English)

Aquilino de la Guardia Calle No. 8, Panama City,

Republic of Panama

(+507) 205-600

(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  ☒            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):  ☐

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):  ☐

AVIANCA HOLDINGS S.A. ANNOUNCES IT’S SECOND QUARTER 2018 EARNINGS RELEASE AND

CONFERENCE CALL

Avianca Holdings S.A. will release second quarter 2018 financial results, after market closes, on Tuesday, August 14 ^th , 2018. Furthermore, the Company will host conference calls in Spanish and English on Wednesday, August 15 ^th , 2018 at 9:00 am EST. To register for the call please find the relevant information in the links indicated hereunder.

These calls will be broadcast live on the Internet and may be accessed directly at the following URLs:

English Webcast : http://www.investorcalendar.com/IC/CEPage.asp?ID=176944

Spanish Webcast : http://www.investorcalendar.com/IC/CEPage.asp?ID=176945

A presentation will accompany the conference call and will be available via the webcast. The presentation will also be available prior to the conference call start time on our website at www.aviancaholdings.com under the Investor Relations section/“ Financial Information ”/“ Financial Results ”. A digital recording will be available for replay on August 15 ^th , 2018 at the same links.

ABOUT AVIANCA HOLDINGS S.A.

The terms “Avianca Holdings” or “the Company” refer to the consolidated entity. The original source-language text of this announcement is the official, authoritative version, Translations are provided as an accommodation only, and should be cross-referenced with the source-language text, which is the only version of the text intended to have legal effect.

About Avianca HoldingsS,A,

Avianca Holdings S,A, (NYSE: AVH) (BVC:PFAVH) comprises the airlines: Aerovías del Continente Americano S.A. Avianca (Avianca), Tampa Cargo S.A.S, incorporated in Colombia, Aerolineas Galapagos S.A.—Aerogal, incorporated in Ecuador, and the TACA Group companies: TACA International Airlines S.A., incorporated in El Salvador, Lineas Aereas Costarricenses S.A., LACSA, incorporated in Costa Rica, Trans Américan Airlines S.A., incorporated in Perú, Servicios Aéreos Nacionales S.A., SANSA, incorporated in Costa Rica, Aerotaxis La Costeña S.A., incorporated in Nicaragua, Isleña de Inversiones S,A, de C.V., ISLEÑA, incorporated in Honduras and Aviateca S.A., incorporated in Guatemala.

Investor Relations Office

+571 587 77 00 ext. 2474 or 1349

ir@avianca.com