AirHint found the following cheapest return flights from Delhi (DEL) to Sydney (SYD) in April 2026 (see full year).

Return flights

01 Apr - 16 Apr	VietJet Air
17 Apr - 20 Apr	Air India	direct
29 Apr - 20 May	AirAsia X
01 Apr - 16 Apr	Air India	direct
08 Apr - 16 Apr	AirAsia X
01 Apr - 08 Apr	AirAsia X
01 Apr - 15 Apr	AirAsia X
01 Apr - 14 Apr	AirAsia X
01 Apr - 09 Apr	AirAsia X
01 Apr - 11 Apr	AirAsia X
08 Apr - 15 Apr	AirAsia X

Also check the deals for one-way flights from Delhi to Sydney in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Delhi to Sydney in April from 494€

Return flights