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	Air India
02 Apr - 13 Apr	Air India
03 Apr - 25 Apr	Thai Lion Air
04 Apr - 12 Apr	Air India
04 Apr - 08 May	VietJet Air
30 Apr - 17 May	IndiGo
30 Apr - 11 May	IndiGo
01 Apr - 14 Apr	IndiGo
19 Apr - 07 May	Thai Lion Air
30 Apr - 07 May	IndiGo
28 Apr - 05 May	Singapore Airlines
01 Apr - 09 May	IndiGo
22 Apr - 26 Apr	IndiGo
01 Apr - 15 Apr	IndiGo
18 Apr - 30 Apr	Air India
16 Apr - 28 Apr	Singapore Airlines
12 Apr - 16 Apr	IndiGo
28 Apr - 05 May	Air India	direct
30 Apr - 11 May	Air India	direct
30 Apr - 07 May	Air India	direct

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 432€

Return flights