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Financial assets and liabilities - Line of credit (Details) - MXN ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Financial assets and liabilities |  |
Total available credit lines | $ 9,256,978 | $ 9,005,008
Available credit lines related to letters of credit | 2,405,640 | 2,355,650
Available credit lines related to financial debt | 6,851,338 | 6,649,358
Undrawn credit of financial debt | 1,500,726 | 1,640,849
Undrawn credit of letters of credit | $ 214,012 | $ 86,066

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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 2020-01-01 -Paragraph 50 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_50_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_UndrawnBorrowingFacilities
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

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- Definition The amount of undrawn borrowing facility of line of credit. + References No definition available. + Details
Name: | vlrs_UndrawnBorrowingFacilitiesOfLineOfCredit
Namespace Prefix: | vlrs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant