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

Return flights

29 Aug - 01 Sep	IndiGo
31 Aug - 08 Sep	IndiGo
28 Aug - 03 Sep	Air India
31 Aug - 03 Sep	Air India Express	direct
23 Aug - 28 Aug	Air India
27 Aug - 29 Aug	IndiGo
24 Aug - 29 Aug	IndiGo
29 Aug - 03 Sep	Air India Express	direct
25 Aug - 01 Sep	IndiGo
27 Aug - 03 Sep	Air India
31 Aug - 04 Sep	Air India
31 Aug - 05 Sep	Air India
29 Aug - 06 Sep	IndiGo
22 Aug - 29 Aug	IndiGo
24 Aug - 31 Aug	Air India
20 Aug - 23 Aug	Air India
20 Aug - 25 Aug	IndiGo
25 Aug - 29 Aug	IndiGo
23 Aug - 27 Aug	IndiGo
18 Aug - 24 Aug	IndiGo

Also check the deals for one-way flights from Surat 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 return flights from Surat to Bangkok in August from 189€

Return flights