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

Return flights

11 Aug - 18 Aug	Air India
11 Aug - 08 Sep	IndiGo
25 Aug - 01 Sep	IndiGo
28 Aug - 03 Sep	Thai Lion Air
25 Aug - 22 Sep	IndiGo
11 Aug - 25 Aug	IndiGo
13 Aug - 20 Aug	China Eastern
13 Aug - 17 Aug	China Eastern
20 Aug - 08 Sep	IndiGo
10 Aug - 30 Aug	IndiGo
11 Aug - 31 Aug	IndiGo
26 Aug - 02 Sep	IndiGo
18 Aug - 25 Aug	Air India
10 Aug - 17 Aug	Thai AirAsia X
27 Aug - 04 Sep	IndiGo
27 Aug - 05 Sep	IndiGo
12 Aug - 23 Sep	IndiGo
12 Aug - 24 Sep	IndiGo
20 Aug - 31 Aug	Air India
19 Aug - 24 Aug	Air India

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 605€

Return flights