AirHint found the following cheapest return flights from Xi'an (XIY) to Singapore (SIN) in September 2025 (see full year).

Return flights

25 Sep - 29 Sep	VietJet Air
26 Sep - 30 Sep	China Southern
26 Sep - 03 Oct	Thai AirAsia
23 Sep - 29 Sep	China Southern
29 Sep - 03 Oct	Thai Lion Air
25 Sep - 29 Sep	Scoot	direct
26 Sep - 30 Sep	Scoot	direct
26 Sep - 03 Oct	Scoot	direct
29 Sep - 03 Oct	Scoot	direct
25 Sep - 01 Oct	AirAsia X
27 Sep - 01 Oct	AirAsia X
29 Sep - 01 Oct	AirAsia X
25 Sep - 26 Sep	AirAsia X
25 Sep - 03 Oct	AirAsia X
27 Sep - 03 Oct	AirAsia X
24 Sep - 26 Sep	AirAsia X
25 Sep - 14 Oct	AirAsia X
25 Sep - 30 Sep	AirAsia X
27 Sep - 30 Sep	AirAsia X
29 Sep - 30 Sep	AirAsia X

Also check the deals for one-way flights from Xi'an 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 Xi'an to Singapore in September from 275€

Return flights