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

Return flights

29 Aug - 14 Sep	Norwegian Air Sweden AOC
28 Aug - 29 Sep	Finnair
24 Aug - 08 Sep	Finnair
28 Aug - 30 Sep	Finnair
28 Aug - 04 Sep	Finnair
20 Aug - 16 Sep	KLM
10 Aug - 17 Aug	airBaltic
17 Aug - 24 Aug	airBaltic
24 Aug - 31 Aug	Norwegian Air Sweden AOC
07 Aug - 11 Aug	Finnair
01 Aug - 15 Aug	airBaltic
04 Aug - 24 Aug	airBaltic
03 Aug - 23 Aug	airBaltic
11 Aug - 30 Aug	Norwegian Air Sweden AOC

Also check the deals for one-way flights from Riga 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 Riga to Bangkok in August from $705

Return flights