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

Return flights

04 Apr - 11 Apr	Air India	direct
01 Apr - 18 Apr	Air India	direct
01 Apr - 16 Apr	Air India	direct
03 Apr - 14 Apr	Air India	direct
02 Apr - 18 Apr	Air India	direct
03 Apr - 17 Apr	Air India	direct
04 Apr - 24 Apr	Singapore Airlines
05 Apr - 25 Apr	Singapore Airlines
01 Apr - 25 Apr	Singapore Airlines
04 Apr - 24 Apr	Air India	direct
29 Apr - 11 May	AirAsia X
29 Apr - 01 May	AirAsia X
24 Apr - 11 May	AirAsia X
15 Apr - 01 May	AirAsia X
24 Apr - 01 May	AirAsia X

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

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 Sydney to Delhi in April from 513€

Return flights