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

Return flights

24 Aug - 03 Sep	Etihad Airways
24 Aug - 02 Sep	Etihad Airways
25 Aug - 29 Sep	Etihad Airways
26 Aug - 10 Sep	Etihad Airways
29 Aug - 19 Sep	Etihad Airways
28 Aug - 05 Sep	Etihad Airways
25 Aug - 09 Sep	Etihad Airways
21 Aug - 29 Sep	Etihad Airways
25 Aug - 22 Sep	Etihad Airways
29 Aug - 15 Sep	Etihad Airways
23 Aug - 24 Aug	Air India
20 Aug - 31 Aug	Air India
22 Aug - 24 Aug	Air India
24 Aug - 31 Aug	Air India
17 Aug - 31 Aug	Air India
22 Aug - 31 Aug	Air India
18 Aug - 31 Aug	Air India
10 Aug - 30 Aug	Air India
11 Aug - 22 Aug	Air India
18 Aug - 25 Aug	IndiGo

Also check the deals for one-way flights from Zurich 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 Zurich to Bangkok in August from 484€

Return flights