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

Return flights

24 Mar - 06 Apr	Hainan Airlines
25 Mar - 16 Apr	IndiGo
29 Mar - 06 Apr	IndiGo
06 Mar - 13 Mar	Thai Lion Air
09 Mar - 18 Mar	IndiGo
18 Mar - 25 Mar	IndiGo
11 Mar - 17 Mar	IndiGo
08 Mar - 18 Mar	IndiGo
28 Mar - 05 Apr	Norse Atlantic Airways
15 Mar - 26 Mar	IndiGo
29 Mar - 05 Apr	Norse Atlantic Airways
16 Mar - 26 Mar	IndiGo
05 Mar - 10 Mar	Norse Atlantic Airways (UK)
06 Mar - 11 Mar	IndiGo
05 Mar - 25 Mar	IndiGo
21 Mar - 04 Apr	Qatar Airways
26 Mar - 05 Apr	Lufthansa
29 Mar - 06 Apr	Finnair	direct
29 Mar - 05 Apr	Finnair	direct
24 Mar - 06 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 $654

Return flights