6-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSION

Washington,D.C. 20549

FORM 6-K

REPORT OFFOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIESEXCHANGE ACT OF 1934

For themonth of November 2021

CommissionFile Number: 001-36059

ControladoraVuela Compañía de Aviación, S.A.B. de C.V.

(Name of Registrant)

Av. AntonioDovalí Jaime No. 70, 13 Floor, Tower B

ColoniaZedec Santa Fe

United MexicanStates, 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 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):

Yes ¨        No x

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):

Yes ¨       No x

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 ¨       No x

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

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Controladora Vuela Compañía de Aviación, S.A.B. de C.V. has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBITINDEX

The following exhibit is filed as part of this Form 6-K:

Volaris signs a new purchase order for

39 A321neo aircraft

Mexico City, Mexico, November 15, 2021 – Volaris (the “Company”) (NYSE: VLRS and BMV: VOLAR), the ultra-low-cost airline serving Mexico, the United States, Central and South America, reports that it signed a new purchase order with Airbus for 39 A321neo aircraft, securing its growth in the second half of the decade.

This order is part of the agreement to purchase 255 aircraft carried out jointly by the airlines Wizz Air, Frontier, JetSMART and Volaris, announced yesterday by Indigo Partners and Airbus.

In addition to the acquisition of these 39 aircraft, Volaris negotiated with Airbus 20 conversions from A320neo to A321neo aircraft of its current order.

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 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 183 and its fleet from 4 to 98 aircraft. Volaris offers more than 450 daily flight segments on routes that connect 43 cities in Mexico and 27 cities in the United States, Central and South America with one of 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 eleven consecutive years. For more information, please visit: www.volaris.com.

InvestorRelations Contact

María Elena Rodríguez / Félix Martínez / ir@volaris.com

Media Contact

Gabriela Fernández / gabriela.fernandez@volaris.com