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

Return flights

05 Dec - 14 Dec	Norwegian Air Sweden AOC
01 Dec - 14 Dec	airBaltic
02 Dec - 09 Dec	airBaltic
01 Dec - 20 Dec	airBaltic
01 Dec - 15 Dec	Ryanair
01 Dec - 11 Dec	Ryanair
01 Dec - 19 Dec	airBaltic
08 Dec - 22 Dec	Ryanair
16 Dec - 23 Dec	Ryanair
08 Dec - 27 Dec	Ryanair
30 Dec - 19 Jan	British Airways
09 Dec - 31 Jan	British Airways
30 Dec - 11 Jan	airBaltic
22 Dec - 10 Jan	airBaltic
21 Dec - 10 Jan	airBaltic
30 Dec - 16 Jan	Finnair
29 Dec - 16 Jan	Finnair
23 Dec - 08 Jan	Air India
23 Dec - 10 Jan	Air India
23 Dec - 25 Jan	Finnair

Also check the deals for one-way flights from Riga to Bangkok in December.

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 December from 463€

Return flights