Cheapest return flights from Delhi to Singapore in September from $231

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

20 Sep - 24 Sep Air India direct
14 Sep - 17 Sep Air India direct
09 Sep - 16 Sep Air India direct
09 Sep - 17 Sep Air India direct
05 Sep - 09 Sep IndiGo direct
10 Sep - 16 Sep Air India direct
12 Sep - 19 Sep IndiGo direct
12 Sep - 17 Sep IndiGo direct
04 Sep - 10 Sep IndiGo direct
08 Sep - 11 Sep IndiGo direct
26 Sep - 01 Oct Singapore Airlines direct
26 Sep - 03 Oct Singapore Airlines direct
29 Sep - 06 Oct SriLankan Airlines
25 Sep - 02 Oct IndiGo direct
29 Sep - 06 Oct Air India direct
28 Sep - 23 Oct Air India direct
29 Sep - 07 Oct IndiGo direct
17 Sep - 06 Oct AirAsia X
30 Sep - 23 Oct Vietnam Airlines

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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