AirHint found the following cheapest one-way flights from Bangkok (BKK) to Istanbul (IST) in August 2025 (see full year).

One-Way flights

14 Aug	Thai AirAsia
28 Aug	Thai AirAsia
05 Aug	Thai Lion Air
07 Aug	Thai AirAsia
01 Aug	Thai VietJet Air
23 Aug	Thai VietJet Air
09 Aug	Thai Lion Air
11 Aug	Thai VietJet Air
19 Aug	Thai VietJet Air
15 Aug	VietJet Air

Also check the deals for return flights from Bangkok to Istanbul 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 Bangkok to Istanbul in August from $255

One-Way flights