Cheapest return flights from Delhi to Singapore in September from $248

Best time to book flights for Delhi (DEL) to Singapore (SIN) flights at AirHint

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

Return flights

13 Sep - 17 Sep Singapore Airlines direct
20 Sep - 24 Sep Singapore Airlines direct
18 Sep - 23 Sep Singapore Airlines direct
01 Sep - 07 Sep Singapore Airlines direct
15 Sep - 23 Sep Singapore Airlines direct
18 Sep - 22 Sep Singapore Airlines direct
14 Sep - 20 Sep Singapore Airlines direct
24 Sep - 03 Oct AirAsia X
24 Sep - 12 Oct AirAsia X
18 Sep - 24 Sep IndiGo direct
24 Sep - 02 Oct AirAsia X
24 Sep - 06 Oct AirAsia X
17 Sep - 03 Oct Air India Express
21 Sep - 03 Oct Air India Express
17 Sep - 23 Sep Air India Express
21 Sep - 23 Sep Air India Express
21 Sep - 12 Oct Air India Express
18 Sep - 03 Oct Air India Express
20 Sep - 03 Oct Air India Express
27 Sep - 03 Oct Air India Express

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

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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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