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

Return flights

02 May - 15 May	Malaysia Airlines
01 May - 31 May	Malaysia Airlines
25 May - 31 May	AirAsia X
25 May - 03 Jun	AirAsia X
25 May - 30 May	AirAsia X
11 May - 31 May	AirAsia X
11 May - 24 May	AirAsia X
15 May - 24 May	AirAsia X
20 May - 24 May	AirAsia X
15 May - 03 Jun	AirAsia X
20 May - 03 Jun	AirAsia X
11 May - 30 May	AirAsia X
15 May - 30 May	AirAsia X
28 May - 11 Jun	Air India	direct
22 May - 03 Jun	AirAsia X
25 May - 11 Jun	AirAsia X
10 May - 30 Jun	Singapore Airlines
25 May - 03 Jun	Air India	direct
22 May - 11 Jun	AirAsia X
25 May - 04 Jun	AirAsia X

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

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 May from $682

Return flights