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Financial assets and liabilities - Line of credit (Details) - MXN ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
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Financial assets and liabilities |  |  |
Total available credit lines | $ 6,721,139 | $ 7,368,346 | $ 6,936,237
Available credit lines related to financial debt | 4,063,947 | 4,616,861 | 5,048,477
Available credit lines related to letters of credit | 2,657,192 | 2,751,485 | 1,887,760
Undrawn credit | $ 1,048,241 | $ 1,739,775 | $ 3,703,184

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 50 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_50_a&doctype=Standard -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
Name: | vlrs_IFRSLineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | vlrs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the line of credit facility related to financial debt + References No definition available. + Details
Name: | vlrs_LineOfCreditFacilityMaximumBorrowingCapacityFinancialDebt
Namespace Prefix: | vlrs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the line of credit facility related to letters of credit. + References No definition available. + Details
Name: | vlrs_LineOfCreditFacilityMaximumBorrowingCapacityLettersOfCredit
Namespace Prefix: | vlrs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant