Cheapest return flights from Bangkok to Helsinki in December from $898

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

Return flights

10 Dec - 15 Dec Thai Lion Air
27 Dec - 03 Jan Thai AirAsia
08 Dec - 15 Dec Thai Lion Air
21 Dec - 30 Dec Thai Lion Air
14 Dec - 21 Dec Thai Lion Air
26 Dec - 03 Jan Thai AirAsia

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

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