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
18 Aug - 21 Aug	KLM
18 Aug - 24 Aug	British Airways
21 Aug - 25 Aug	British Airways
16 Aug - 28 Aug	British Airways
17 Aug - 09 Sep	KLM
07 Aug - 21 Aug	Aer Lingus
12 Aug - 19 Aug	Aer Lingus
06 Aug - 06 Sep	easyJet
15 Aug - 22 Aug	easyJet
06 Aug - 29 Aug	easyJet
21 Aug - 24 Aug	British Airways
01 Aug - 16 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 723€

Return flights