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Description of the business and summary of significant accounting policies - Relevant events (Details) | Dec. 28, 2017 aircraft | Nov. 10, 2016 | Nov. 16, 2015 shares | Feb. 17, 2010 | May 09, 2005
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Description of the business and summary of significant accounting policies |  |  |  |  |
Number of aircraft purchased | aircraft | 80 |  |  |  |
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 |  |  |
Ordinary Participation Certificates |  |  |  |  |
Description of the business and summary of significant accounting policies |  |  |  |  |
Number of shares sold by shareholders |  |  | 108,900,000 |  |
Number of shares sold by the Company |  |  | 0 |  |

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- Definition The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_79_a_iv&doctype=Standard -URIDate 2017-03-09 + Details
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