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

Return flights

09 Aug - 23 Aug	IndiGo
01 Aug - 10 Aug	Thai AirAsia X
10 Aug - 31 Aug	Singapore Airlines
14 Aug - 19 Aug	Singapore Airlines
26 Aug - 06 Sep	Singapore Airlines
22 Aug - 05 Sep	Vietnam Airlines
10 Aug - 31 Aug	Air India	direct
14 Aug - 19 Aug	Air India	direct
09 Aug - 23 Aug	Air India	direct
26 Aug - 06 Sep	Air India	direct
22 Aug - 05 Sep	Air India	direct

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

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 August from 498€

Return flights