Cheapest return flights from Delhi to Singapore in September from $247

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

Return flights

22 Sep - 29 Sep Air India direct
21 Sep - 24 Sep Air India direct
23 Sep - 30 Sep SriLankan Airlines
23 Sep - 30 Sep Air India direct
25 Sep - 29 Sep Air India direct
24 Sep - 30 Sep Air India direct
22 Sep - 25 Sep Air India direct
24 Sep - 29 Sep Air India direct
23 Sep - 26 Sep Air India direct
24 Sep - 26 Sep Air India direct
24 Sep - 01 Oct SriLankan Airlines
26 Sep - 01 Oct SriLankan Airlines
23 Sep - 12 Oct SriLankan Airlines
24 Sep - 13 Oct SriLankan Airlines
22 Sep - 01 Oct SriLankan Airlines
25 Sep - 01 Oct SriLankan Airlines
30 Sep - 07 Oct IndiGo
30 Sep - 12 Oct SriLankan Airlines
30 Sep - 10 Oct SriLankan Airlines
20 Sep - 01 Oct SriLankan 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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