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

Return flights

13 May - 19 May	Singapore Airlines	direct
11 May - 19 May	Singapore Airlines	direct
11 May - 17 May	Thai AirAsia	direct
08 May - 19 May	Thai AirAsia	direct
08 May - 17 May	Thai AirAsia	direct
12 May - 16 May	Scoot Tigerair	direct
01 May - 17 May	Scoot Tigerair	direct
10 May - 19 May	Thai AirAsia	direct
10 May - 17 May	Thai AirAsia	direct
08 May - 10 May	Thai AirAsia	direct

Also check the deals for one-way flights from Singapore to Bangkok 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 return flights from Singapore to Bangkok in May from $209

Return flights