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

Return flights

20 Sep - 21 Sep	Scoot	direct
19 Sep - 21 Sep	Scoot	direct
23 Sep - 25 Sep	AirAsia
20 Sep - 27 Sep	Scoot	direct
26 Sep - 29 Sep	Scoot	direct
22 Sep - 24 Sep	Thai VietJet Air
19 Sep - 20 Sep	Scoot	direct
30 Sep - 07 Oct	AirAsia
28 Sep - 30 Sep	Scoot
24 Sep - 07 Oct	AirAsia
23 Sep - 07 Oct	AirAsia
25 Sep - 07 Oct	AirAsia
21 Sep - 28 Sep	Scoot	direct
30 Sep - 21 Oct	AirAsia
27 Sep - 07 Oct	AirAsia
22 Sep - 07 Oct	AirAsia
30 Sep - 02 Oct	AirAsia
30 Sep - 04 Oct	AirAsia
24 Sep - 02 Oct	AirAsia
28 Sep - 30 Sep	Scoot	direct

Also check the deals for one-way flights from Krabi to Singapore 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 Krabi to Singapore in September from 110€

Return flights