Cheapest one-way flights from Bangkok to Helsinki in December from $410

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

One-Way flights

25 Dec Thai AirAsia
22 Dec Thai Lion Air
23 Dec Thai Lion Air
30 Dec Thai Lion Air
31 Dec Thai Lion Air
26 Dec Thai AirAsia
21 Dec Thai Lion Air
27 Dec Thai Lion Air
28 Dec Thai AirAsia X

Also check the deals for return flights from Bangkok to Helsinki 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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