AirHint found the following cheapest return flights from Budapest (BUD) to Bangkok (BKK) in September 2026 (see full year).

Return flights

11 Sep - 19 Sep	KLM
01 Sep - 22 Sep	KLM
08 Sep - 22 Sep	KLM
23 Sep - 30 Sep	Air France
09 Sep - 16 Sep	Air France
01 Sep - 23 Sep	KLM
01 Sep - 24 Sep	KLM
01 Sep - 27 Sep	KLM
01 Sep - 28 Sep	KLM
01 Sep - 29 Sep	KLM
16 Sep - 09 Oct	Air France
15 Sep - 15 Oct	Wizz Air
19 Sep - 09 Oct	Wizz Air
20 Sep - 07 Oct	KLM
21 Sep - 05 Oct	KLM
21 Sep - 04 Oct	Air France
23 Sep - 17 Oct	Air France
27 Sep - 16 Oct	Lufthansa

Also check the deals for one-way flights from Budapest to Bangkok in September.

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 Budapest to Bangkok in September from $634

Return flights