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

Return flights

23 Aug - 30 Aug	Thai VietJet Air
05 Aug - 16 Aug	Thai VietJet Air
25 Aug - 29 Aug	Thai VietJet Air
14 Aug - 20 Aug	IndiGo
03 Aug - 31 Aug	IndiGo
04 Aug - 10 Aug	IndiGo
28 Aug - 02 Sep	Thai VietJet Air
27 Aug - 04 Sep	SalamAir
19 Aug - 26 Aug	Thai VietJet Air
30 Aug - 06 Sep	Thai VietJet Air
12 Aug - 18 Aug	Air India
13 Aug - 22 Aug	SalamAir
19 Aug - 21 Aug	IndiGo
13 Aug - 01 Sep	IndiGo
01 Aug - 01 Sep	IndiGo
29 Aug - 05 Sep	Air India
30 Aug - 01 Sep	Thai VietJet Air
30 Aug - 30 Sep	Thai VietJet Air
25 Aug - 05 Sep	IndiGo
19 Aug - 01 Sep	Thai VietJet Air

Also check the deals for one-way 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Bangkok to Istanbul in August from 409€

Return flights