6-K

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 of the

Securities Exchange Act of 1934

For the month of September 2023

Commission File Number: 001-36059

Controladora Vuela Compañía de Aviación,S.A.B. de C.V.

(Name of Registrant)

Av. Antonio Dovalí Jaime No. 70, 13 Floor, TowerB

Colonia Zedec Santa Fe

United Mexican States, Mexico City 01210

+(52) 55-5261-6400

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover 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):  ☐

EXPLANATORY NOTE

On September 14, 2023, Controladora Vuela Compañía de Aviación, S.A.B. de C.V. (NYSE: VLRS) issued a press release titled “The Mexican Aviation Authority recovers category 1 in operational safety.” A copy of this press release is attached to this Form 6-K as Exhibit 99.1

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.

EXHIBIT INDEX

The Mexican Aviation Authority recovers category 1 in operational safety

Mexico City, Mexico, September 14, 2023 – Controladora Vuela Compañía de Aviación, S.A.B. de C.V. (NYSE: VLRS and BMV: VOLAR) (“Volaris” or “the Company”), the ultra-low-cost carrier (ULCC) serving Mexico, the United States, Central, and South America, reports that today the U.S. Department of Transportation’s Federal Aviation Administration of the United States of America (FAA) has determined that the operational safety oversight applied by the Mexican Federal Civil Aviation Authority (AFAC) adheres to the safety standards of the International Civil Aviation Organization (ICAO), thus recovering Category 1 in operational safety.

As a result of the above, Volaris will follow up on the authorization procedures to open new routes to and from the United States of America, as well as to increase the number of frequencies, with the intention of increasing our service offer in said country.

The information included in this report hasnot been audited and does not provide information on the company’s future performance. Volaris’ future performance dependson many factors. It cannot be inferred that any period’s performance or its comparison year over year will indicate a similar performancein the future.

About Volaris:

*Controladora Vuela Compañía de Aviación, S.A.B. de C.V. (“Volaris” or the “Company”) (NYSE: VLRS and BMV: VOLAR) is an ultra-low-cost carrier, with point-to-point operations, serving Mexico, the United States, Central, and South America. Volaris offers low base fares to build its market, providing quality service and extensive customer choice. Since the beginning of operations in March 2006, Volaris has increased its routes from 5 to more than 245 and its fleet from 4 to 124 aircraft. Volaris offers more than 550 daily flight segments on routes that connect 43 cities in Mexico and 28 cities in the United States, Central, and South America, with the youngest fleet in Mexico. Volaris targets passengers who are visiting friends and relatives, cost-conscious business and leisure travelers in Mexico, the United States, Central, and South America. Volaris has received the ESR Award for Social Corporate Responsibility for fourteen consecutive years. For more information, please visit ir.volaris.com.

Investor RelationsContact

Ricardo Martínez / ir@volaris.com

Media Contact

Israel Álvarez / ialvarez@gcya.net