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REVENUE (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of revenue [text block] [Abstract]  
Schedule of detail of revenues
   For the year ended 
   December 31, 
   2021   2020   2019 
   ThUS$   ThUS$   ThUS$ 
Passengers   3,342,381    2,713,774    9,005,629 
Cargo   1,541,634    1,209,893    1,064,434 
Total   4,884,015    3,923,667    10,070,063