AirHint found the following cheapest return flights from Bangkok (BKK) to Helsinki (HEL) in December 2026 (see full year).

Return flights

02 Dec - 09 Dec	Norse Atlantic Airways
25 Dec - 05 Jan	Lufthansa
23 Dec - 06 Jan	Lufthansa
15 Dec - 24 Dec	Turkish Airlines
17 Dec - 24 Dec	Turkish Airlines
25 Dec - 08 Jan	Lufthansa
25 Dec - 03 Jan	Lufthansa
19 Dec - 03 Jan	Lufthansa
26 Dec - 02 Jan	Lufthansa
23 Dec - 02 Jan	Lufthansa
19 Dec - 02 Jan	Lufthansa
25 Dec - 02 Jan	Lufthansa
22 Dec - 02 Jan	Lufthansa
24 Dec - 31 Dec	Qatar Airways
16 Dec - 23 Dec	Turkish Airlines
02 Dec - 09 Dec	Finnair	direct
24 Dec - 31 Dec	Finnair	direct
15 Dec - 24 Dec	Finnair	direct
17 Dec - 24 Dec	Finnair	direct
05 Dec - 12 Dec	Finnair	direct

Also check the deals for one-way flights from Bangkok to Helsinki 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 Bangkok to Helsinki in December from 621€

Return flights