Document and Entity Information - shares	6 Months Ended
	Sep. 30, 2018	Oct. 30, 2018
Document And Entity Information
Entity Registrant Name	ALTAIR INTERNATIONAL CORP.
Entity Central Index Key	0001570937
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Is Entity's Reporting Status Current?	Yes
Is Entity Emerging Growth Company?	true
Elected Not To Use the Extended Transition Period	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Common Stock, Shares Outstanding		496,732,553
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2019