AirHint found the following cheapest one-way flights from Surabaya (SUB) to Bangkok (DMK) in August 2025 (see full year).

One-Way flights

15 Aug	Thai Lion Air	direct
08 Aug	Thai Lion Air	direct
11 Aug	Thai Lion Air	direct
04 Aug	Thai Lion Air	direct
09 Aug	Citilink
19 Aug	Indonesia AirAsia
13 Aug	Thai Lion Air	direct
25 Aug	Indonesia AirAsia
14 Aug	Indonesia AirAsia
12 Aug	Indonesia AirAsia

Also check the deals for return flights from Surabaya to Bangkok 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 Surabaya to Bangkok in August from 75€

One-Way flights