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

Return flights

02 Apr - 12 Apr	IndiGo
02 Apr - 20 May	VietJet Air
01 Apr - 20 May	IndiGo
26 Apr - 29 May	AirAsia X
01 Apr - 18 Apr	IndiGo
01 Apr - 25 Apr	IndiGo
02 Apr - 13 Apr	VietJet Air
03 Apr - 20 May	IndiGo
06 Apr - 20 May	IndiGo
06 Apr - 24 Apr	IndiGo
03 Apr - 19 Apr	IndiGo
01 Apr - 12 Apr	IndiGo
03 Apr - 15 Apr	IndiGo
01 Apr - 11 Apr	IndiGo
07 Apr - 20 May	IndiGo
02 Apr - 08 Apr	VietJet Air
26 Apr - 05 May	Singapore Airlines
29 Apr - 07 May	Singapore Airlines
04 Apr - 22 May	IndiGo
04 Apr - 08 May	IndiGo

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 $533

Return flights