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

Return flights

04 May - 10 May	VietJet Air
02 May - 14 May	VietJet Air
04 May - 12 May	VietJet Air
08 May - 17 May	IndiGo
13 May - 20 May	IndiGo
10 May - 17 May	IndiGo
06 May - 16 May	Air India
05 May - 10 Jun	VietJet Air
01 May - 27 May	IndiGo
01 May - 10 May	IndiGo
27 May - 09 Jun	Singapore Airlines
13 May - 20 May	Air India	direct
27 May - 09 Jun	Air India	direct
28 May - 25 Jun	Air India	direct
27 May - 24 Jun	Air India	direct
05 May - 10 Jun	Air India	direct

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 $532

Return flights