AirHint found the following cheapest return flights from Singapore (SIN) to Haikou (HAK) in October 2025 (see full year).

Return flights

02 Oct - 07 Oct	Scoot	direct
02 Oct - 09 Oct	Scoot	direct
02 Oct - 05 Oct	Scoot	direct
12 Oct - 14 Oct	Scoot	direct
23 Oct - 30 Oct	Scoot	direct
12 Oct - 19 Oct	Scoot	direct
23 Oct - 28 Oct	Scoot	direct
20 Oct - 28 Oct	Scoot	direct
14 Oct - 18 Oct	Scoot	direct
02 Oct - 04 Oct	China Southern
25 Oct - 02 Nov	Cathay Pacific
28 Oct - 01 Nov	Cathay Pacific
28 Oct - 04 Nov	Cathay Pacific
28 Oct - 06 Nov	Cathay Pacific
29 Oct - 02 Nov	Cathay Pacific
31 Oct - 29 Nov	Cathay Pacific
28 Oct - 04 Nov	Scoot	direct
28 Oct - 06 Nov	Scoot	direct
26 Oct - 15 Nov	China Southern

Also check the deals for one-way flights from Singapore to Haikou in October.

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 Singapore to Haikou in October from $125

Return flights