AirHint found the following cheapest one-way flights from Beijing (PEK) to Singapore (SIN) in August 2025 (see full year).

One-Way flights

19 Aug	Thai Airways
30 Aug	Singapore Airlines	direct
26 Aug	Singapore Airlines	direct
25 Aug	Singapore Airlines	direct
06 Aug	Thai Airways
19 Aug	Air China	direct
17 Aug	Thai Airways
16 Aug	Thai Airways
20 Aug	Thai Airways
01 Aug	Thai Airways

Also check the deals for return flights from Beijing to Singapore in August.

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 one-way flights from Beijing to Singapore in August from $133

One-Way flights