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

Return flights

19 May - 25 May	VietJet Air
19 May - 24 May	VietJet Air
18 May - 25 May	VietJet Air
14 May - 20 May	VietJet Air
11 May - 24 May	VietJet Air
01 May - 06 May	IndiGo
01 May - 07 May	IndiGo
11 May - 16 May	VietJet Air
04 May - 13 May	VietJet Air
06 May - 20 May	Singapore Airlines
27 May - 10 Jun	IndiGo
31 May - 28 Jun	IndiGo
31 May - 29 Jun	IndiGo
04 May - 04 Jun	Malaysia Airlines

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 451€

Return flights