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

Return flights

18 May - 28 May	KLM
26 May - 04 Jun	KLM
28 May - 08 Jun	KLM
13 May - 20 May	KLM
18 May - 23 May	Etihad Airways
21 May - 28 May	Condor
22 May - 31 May	Oman Air
30 May - 06 Jun	KLM
14 May - 21 May	Thai AirAsia
04 May - 25 May	Etihad Airways
23 May - 03 Jun	KLM
31 May - 14 Jun	Condor
31 May - 09 Jun	Condor
16 May - 24 May	Oman Air
12 May - 28 May	KLM
04 May - 18 May	Etihad Airways
30 May - 10 Jun	Thai AirAsia
29 May - 05 Jun	KLM
23 May - 11 Jun	Lufthansa
28 May - 04 Jun	SWISS	direct

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