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

Return flights

25 Aug - 21 Sep	KLM
30 Aug - 16 Sep	KLM
29 Aug - 14 Sep	Aer Lingus
30 Aug - 15 Sep	KLM
17 Aug - 09 Sep	KLM
06 Aug - 06 Sep	easyJet
29 Aug - 15 Sep	KLM
19 Aug - 26 Aug	British Airways
07 Aug - 21 Aug	Aer Lingus
21 Aug - 25 Aug	KLM
06 Aug - 29 Aug	easyJet
01 Aug - 09 Aug	Aer Lingus

Also check the deals for one-way flights from Belfast to Bangkok 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 Belfast to Bangkok in August from $881

Return flights