AirHint found the following cheapest one-way flights from Bangkok (BKK) to Singapore (SIN) in May 2026 (see full year).

One-Way flights

02 May	Thai Lion Air	direct
09 May	Thai Lion Air	direct
21 May	Thai Lion Air	direct
20 May	Thai Lion Air	direct
16 May	Scoot	direct
29 May	Scoot	direct
08 May	Scoot	direct
14 May	Scoot	direct
01 May	Scoot	direct
22 May	Scoot	direct

Also check the deals for return flights from Bangkok to Singapore in May.

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 Bangkok to Singapore in May from 46€

One-Way flights