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

Return flights

04 May - 20 May	Singapore Airlines
01 May - 15 May	Malaysia Airlines
06 May - 21 May	Singapore Airlines
06 May - 20 May	AirAsia X
08 May - 20 May	AirAsia X
25 May - 10 Jun	AirAsia X
04 May - 09 May	AirAsia X
06 May - 09 May	AirAsia X
01 May - 20 May	AirAsia X
01 May - 09 May	AirAsia X
04 May - 12 May	AirAsia X
25 May - 01 Jun	Singapore Airlines
12 May - 30 Jun	Singapore Airlines
12 May - 30 Jun	Air India	direct
25 May - 01 Jun	Air India	direct
25 May - 13 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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Cheapest return flights from Delhi to Sydney in May from 548€

Return flights