Cheapest return flights from Bangkok to Helsinki in December from $622

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

Return flights

04 Dec - 07 Jan Norse Atlantic Airways
04 Dec - 08 Jan Norse Atlantic Airways
19 Dec - 25 Jan Air France
15 Dec - 31 Dec Thai Lion Air
25 Dec - 01 Jan Norse Atlantic Airways
19 Dec - 23 Jan Air France
18 Dec - 31 Dec Norse Atlantic Airways
12 Dec - 27 Dec Norse Atlantic Airways
20 Dec - 10 Jan Norse Atlantic Airways
22 Dec - 13 Jan Air France
13 Dec - 27 Dec Norse Atlantic Airways
12 Dec - 26 Dec Norse Atlantic Airways
12 Dec - 25 Dec Norse Atlantic Airways
13 Dec - 28 Dec Norse Atlantic Airways
05 Dec - 12 Dec Thai Lion Air
10 Dec - 07 Jan Austrian Airlines
19 Dec - 16 Jan Air France
06 Dec - 07 Jan Scandinavian Airlines
09 Dec - 26 Dec IndiGo
15 Dec - 31 Dec Finnair direct

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

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