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

Return flights

20 May - 30 May	KLM
19 May - 30 May	KLM
18 May - 30 May	KLM
20 May - 27 May	KLM
02 May - 30 May	KLM
13 May - 30 May	KLM
02 May - 18 May	KLM
08 May - 25 May	Air France
15 May - 27 May	Air France
11 May - 25 May	KLM
13 May - 06 Jun	KLM
02 May - 27 Jun	KLM
28 May - 04 Jun	KLM
28 May - 17 Jun	KLM
24 May - 06 Jun	KLM
24 May - 04 Jun	KLM
22 May - 13 Jun	KLM
08 May - 06 Jun	Air France
19 May - 10 Jun	KLM
17 May - 03 Jun	KLM

Also check the deals for one-way flights from Frankfurt to Bangkok 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 Frankfurt to Bangkok in May from 533€

Return flights