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

Return flights

26 Aug - 10 Sep	Ryanair
28 Aug - 12 Sep	airBaltic
31 Aug - 04 Sep	Finnair
25 Aug - 19 Sep	airBaltic
19 Aug - 20 Sep	Finnair
30 Aug - 13 Sep	Finnair
28 Aug - 11 Sep	airBaltic
29 Aug - 13 Sep	Norwegian Air Sweden AOC
29 Aug - 14 Sep	Norwegian Air Sweden AOC
23 Aug - 02 Sep	Ryanair
20 Aug - 31 Aug	Ryanair
20 Aug - 27 Aug	Ryanair
16 Aug - 21 Aug	LOT
17 Aug - 22 Aug	airBaltic
17 Aug - 21 Aug	airBaltic

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 565€

Return flights