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Description of the business and summary of significant accounting policies - Relevant events (Details)
$ in Billions
 1 Months Ended 12 Months Ended
Dec. 20, 2021
shares
Oct. 13, 2021
MXN ($)
item
Dec. 11, 2020
$ / shares
shares
May 12, 2020
engine
Feb. 24, 2020
Jun. 20, 2019
MXN ($)
item
Nov. 10, 2016
Feb. 17, 2010
May 09, 2005
Nov. 30, 2018
aircraft
Dec. 31, 2017
aircraft
Dec. 31, 2021
aircraft
Dec. 31, 2020
shares
Description of the business and summary of significant accounting policies                          
Maturity of notes                       5 years  
Basis points                       0.25%  
Term of authorization to provide air transportation services         20 years                
Extension term (in years)                       15 years  
A321NEO model                          
Description of the business and summary of significant accounting policies                          
Number of aircraft purchased       34             34 39  
A320NEO Into A321NEO                          
Description of the business and summary of significant accounting policies                          
Number of aircraft purchased | aircraft                   6   20  
Number of aircrafts converted | aircraft                       20  
Concesionaria                          
Description of the business and summary of significant accounting policies                          
Term of authorization to provide air transportation services               10 years 5 years        
Volaris Costa Rica                          
Description of the business and summary of significant accounting policies                          
Term of authorization to provide air transportation services             5 years            
Asset backed trust notes ("CEBUR"), in Mexican pesos                          
Description of the business and summary of significant accounting policies                          
Number of notes issued | item   15,000,000       15,000,000              
Notes issued | $   $ 1.5       $ 1.5              
Authorized amount under the program | $   $ 3.0       $ 3.0              
Maturity of notes   5 years       5 years              
Basis points   200.00%                      
Asset backed trust notes ("CEBUR"), in Mexican pesos | 28-day TIIE                          
Description of the business and summary of significant accounting policies                          
Basis points           175.00%              
Sustainability Linked Bond Principles 2020 [Member] | 2022                          
Description of the business and summary of significant accounting policies                          
Carbon dioxide emissions measured as grams of CO2 emissions per revenue passenger/kilometer                       21.54%  
Sustainability Linked Bond Principles 2020 [Member] | 2023                          
Description of the business and summary of significant accounting policies                          
Carbon dioxide emissions measured as grams of CO2 emissions per revenue passenger/kilometer                       24.08%  
Sustainability Linked Bond Principles 2020 [Member] | 2024                          
Description of the business and summary of significant accounting policies                          
Carbon dioxide emissions measured as grams of CO2 emissions per revenue passenger/kilometer                       25.53%  
Sustainability Linked Bond Principles 2020 [Member] | 2030                          
Description of the business and summary of significant accounting policies                          
Carbon dioxide emissions measured as grams of CO2 emissions per revenue passenger/kilometer                       35.42%  
Series B shares                          
Description of the business and summary of significant accounting policies                          
Conversion of equivalent number of shares 30,538,000                       30,538,000
Series A shares                          
Description of the business and summary of significant accounting policies                          
Number of shares per CPO     1                    
American Depositary Shares                          
Description of the business and summary of significant accounting policies                          
Weighted average share price | $ / shares     $ 11.25                    
Number of CPOs per ADS     10                    
Primary follow-on equity offering                          
Description of the business and summary of significant accounting policies                          
Number of shares offered     134,000,000                    
Over-allotment | American Depositary Shares                          
Description of the business and summary of significant accounting policies                          
Number of shares issued     20,100,000