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

Return flights

05 Mar - 14 Mar	Thai AirAsia X
23 Mar - 05 Apr	Thai Lion Air
12 Mar - 27 Mar	Thai AirAsia X
10 Mar - 16 Mar	IndiGo
11 Mar - 17 Mar	Thai AirAsia
02 Mar - 06 Mar	Oman Air
21 Mar - 28 Mar	Turkmenistan Airlines
27 Mar - 05 Apr	Austrian Airlines
06 Mar - 08 Mar	Austrian Airlines
04 Mar - 16 Mar	Qatar Airways
14 Mar - 18 Mar	Turkish Airlines
05 Mar - 16 Mar	Qatar Airways
26 Mar - 05 Apr	Austrian Airlines
27 Mar - 05 Apr	Finnair	direct
23 Mar - 05 Apr	Finnair	direct

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

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 March from 565€

Return flights