AirHint found the following cheapest return flights from Hong Kong (HKG) to Delhi (DEL) in September 2025 (see full year).

Return flights

13 Sep - 14 Sep	IndiGo	direct
03 Sep - 07 Sep	IndiGo	direct
12 Sep - 21 Sep	IndiGo	direct
05 Sep - 12 Sep	IndiGo	direct
26 Sep - 27 Sep	IndiGo	direct
26 Sep - 04 Oct	IndiGo	direct
26 Sep - 05 Oct	IndiGo
30 Sep - 06 Oct	Air India
25 Sep - 22 Oct	IndiGo	direct
27 Sep - 11 Oct	IndiGo
26 Sep - 25 Oct	IndiGo	direct
30 Sep - 06 Oct	IndiGo	direct
26 Sep - 05 Oct	Air India	direct
26 Sep - 26 Oct	Air India	direct
29 Sep - 08 Oct	Cathay Pacific	direct
08 Sep - 14 Sep	AirAsia
08 Sep - 10 Sep	AirAsia
08 Sep - 15 Sep	AirAsia
08 Sep - 12 Sep	AirAsia
08 Sep - 17 Sep	AirAsia

Also check the deals for one-way flights from Hong Kong to Delhi in September.

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 Hong Kong to Delhi in September from $225

Return flights