Related Parties (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) director	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) director	Sep. 30, 2021 USD ($)
Controladora Vuela Compañía de Aviación, S.A.B. de C.V. | Indigo Partners
Related Party Transaction [Line Items]
Outstanding shares of common stock held	18.00%		18.00%
Indigo Partners | Affiliated Entity
Related Party Transaction [Line Items]
Management fees, expense reimbursements, and director compensation | $	$ 1	$ 1	$ 1	$ 1
Controladora Vuela Compañía de Aviación, S.A.B. de C.V. | Affiliated Entity
Related Party Transaction [Line Items]
Number of company directors | director	2		2