AirHint found the following cheapest return flights from Bangkok (BKK) to Zurich (ZRH) in May 2026 (see full year).

Return flights

21 May - 28 May	KLM
25 May - 31 May	KLM
20 May - 29 May	KLM
19 May - 26 May	KLM
20 May - 28 May	KLM
25 May - 09 Jun	KLM
25 May - 03 Jun	KLM
21 May - 04 Jun	KLM
28 May - 07 Jun	KLM
25 May - 04 Jun	KLM
18 May - 01 Jun	KLM
27 May - 02 Jun	KLM
21 May - 30 May	KLM
26 May - 07 Jun	Condor
26 May - 02 Jun	Condor
20 May - 30 May	KLM
14 May - 28 May	Etihad Airways
25 May - 06 Jun	KLM
12 May - 27 May	KLM
07 May - 18 May	Etihad Airways

Also check the deals for one-way flights from Bangkok to Zurich in May.

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 May from $634

Return flights