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

Return flights

10 Aug - 19 Aug	Condor
26 Aug - 07 Sep	IndiGo
20 Aug - 11 Sep	IndiGo
26 Aug - 05 Sep	IndiGo
26 Aug - 02 Sep	IndiGo
28 Aug - 04 Sep	IndiGo
20 Aug - 29 Aug	IndiGo
20 Aug - 27 Aug	IndiGo
25 Aug - 27 Aug	IndiGo
05 Aug - 19 Aug	Condor
05 Aug - 01 Sep	Condor
06 Aug - 18 Sep	Condor
21 Aug - 27 Aug	IndiGo
22 Aug - 31 Aug	IndiGo
23 Aug - 29 Aug	IndiGo
22 Aug - 28 Aug	IndiGo
29 Aug - 20 Sep	IndiGo
22 Aug - 05 Sep	Hainan Airlines
19 Aug - 18 Sep	IndiGo
04 Aug - 21 Aug	KLM

Also check the deals for one-way flights from Bangkok to Zurich 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 Bangkok to Zurich in August from $652

Return flights