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

Return flights

01 Dec - 13 Dec	Norwegian Air Sweden AOC
04 Dec - 13 Dec	Ryanair
02 Dec - 18 Dec	airBaltic
08 Dec - 14 Dec	Norwegian Air Sweden AOC
06 Dec - 18 Dec	airBaltic
01 Dec - 15 Dec	Norwegian Air Sweden AOC
02 Dec - 09 Dec	Ryanair
04 Dec - 15 Dec	Ryanair
02 Dec - 23 Dec	airBaltic
01 Dec - 22 Dec	Finnair
10 Dec - 11 Jan	Turkish Airlines
30 Dec - 19 Jan	airBaltic
10 Dec - 10 Jan	airBaltic
12 Dec - 07 Jan	Ryanair
12 Dec - 01 Jan	airBaltic
10 Dec - 09 Jan	airBaltic
29 Dec - 17 Jan	Ryanair
13 Dec - 14 Jan	airBaltic
13 Dec - 01 Jan	Ryanair
14 Dec - 09 Jan	Ryanair

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 506€

Return flights