Cheapest return flights from Helsinki to Bangkok in December from $528

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

Return flights

02 Dec - 13 Dec Norwegian Air Sweden AOC
05 Dec - 14 Dec Norwegian Air Sweden AOC
04 Dec - 16 Dec Norwegian Air Sweden AOC
02 Dec - 16 Dec Norwegian Air Sweden AOC
01 Dec - 16 Dec Norwegian
04 Dec - 20 Dec Norwegian Air Sweden AOC
02 Dec - 23 Dec Norwegian Air Sweden AOC
02 Dec - 20 Dec Norwegian Air Sweden AOC
02 Dec - 18 Dec Norwegian Air Sweden AOC
01 Dec - 20 Dec Norwegian
01 Dec - 23 Jan Norwegian
01 Dec - 13 Jan KLM
01 Dec - 31 Jan Turkish Airlines
04 Dec - 19 Jan Lufthansa
10 Dec - 31 Jan IndiGo
01 Dec - 01 Jan Norwegian
30 Dec - 20 Jan Norwegian Air Sweden AOC
01 Dec - 23 Jan Finnair direct
01 Dec - 31 Jan Finnair direct
31 Dec - 27 Jan KLM

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

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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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