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 May 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, Tower B

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  x                                            Form 40-F  o

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 May 4, 2023, Controladora Vuela Compañía de Aviación, S.A.B. de C.V. (NYSE: VLRS) issued a press release titled “Volaris Reports April 2023 Traffic Results:18% YoY Demand Growth with an 86% Load Factor.” 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

Volaris Reports April 2023 Traffic Results:

18% YoY Demand Growth with an 86% Load Factor

Mexico City, Mexico, May 4, 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 its April 2023 preliminary traffic results.

In April 2023, Volaris’ capacity (measured in ASMs) increased by 16.7% year-over-year, while demand (measured in RPMs) increased by 18.3%; the result was a load factor increase of 1.1 pp YoY to 85.8%. Volaris transported 2.9 million passengers during the month, an 11.8% increase compared to April 2022. Demand in the domestic Mexican and international markets increased by 9.0% and 45.9%, respectively.

Enrique Beltranena, Volaris’ President and CEO, said: “We achieved a healthy load factor in April, with a particularly strong performance in our international markets. In the domestic market, we continue to see strong volumes.”

The information included in this report has not been audited and does not provide information on the company’s future performance. Volaris’ future performance depends on many factors. It cannot be inferred that any period’s performance or its comparison year over year will indicate a similar performance in 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 206 and its fleet from 4 to 120 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 www.volaris.com.

Investor Relations Contact

Ricardo Martínez / ir@volaris.com

Media Contact

Gabriela Fernández / gabriela.fernandez@volaris.com