Cheapest one-way flights from Bangkok to Singapore in September from $42

Best time to book flights for Bangkok (BKK) to Singapore (SIN) flights at AirHint

AirHint found the following cheapest one-way flights from Bangkok (BKK) to Singapore (SIN) in September 2025 (see full year).

One-Way flights

23 Sep Thai VietJet Air
24 Sep Thai VietJet Air
21 Sep Thai VietJet Air
02 Sep Thai VietJet Air
17 Sep Thai VietJet Air
22 Sep Jetstar Asia direct
04 Sep Jetstar Asia direct
30 Sep Jetstar Asia direct
25 Sep Jetstar Asia direct
23 Sep Jetstar Asia direct

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

Skyscanner

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore