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

Return flights

01 Apr - 12 Apr	Singapore Airlines
01 Apr - 10 Apr	AirAsia X
01 Apr - 15 Apr	AirAsia X
22 Apr - 10 May	AirAsia X
22 Apr - 06 May	AirAsia X
22 Apr - 02 May	AirAsia X
01 Apr - 12 Apr	Air India	direct
06 Apr - 10 Apr	AirAsia X
08 Apr - 10 Apr	AirAsia X
06 Apr - 15 Apr	AirAsia X
08 Apr - 15 Apr	AirAsia X
06 Apr - 12 Apr	AirAsia X
08 Apr - 12 Apr	AirAsia X
13 Apr - 02 May	AirAsia X
15 Apr - 06 May	AirAsia X
15 Apr - 02 May	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 $750

Return flights