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Description of the business and summary of significant accounting policies - Subsidiaries (Details) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Concesionaria |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Volaris Costa Rica |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Vuela, S.A. |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Vuela El Salvador, S.A. de C.V. |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% |
Comercializadora Volaris, S.A. de C.V. |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Servicios Earhart, S.A. |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Servicios Corporativos |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Servicios Administrativos |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Loyalty Program |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% |
Viajes Vuela |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Deutsche Bank Mexico Sa Trust 1710 |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Deutsche Bank Mexico Sa Trust 1711 |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Irrevocable Administrative Trust number F/307750 |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Irrevocable Administrative Trust number F/745291 |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% | 100.00%
Irrevocable Administrative Trust number CIB/3081 |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% |
Irrevocable Administrative Trust number CIB/3249 |  |  |
Subsidiaries |  |  |
Proportion of ownership interest in subsidiary | 100.00% |  |

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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2019-03-27 + Details
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