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

Return flights

30 Jul - 14 Aug	Thai Lion Air
27 Jul - 09 Aug	Qatar Airways
30 Jul - 06 Aug	Thai AirAsia X
29 Jul - 17 Aug	IndiGo
31 Jul - 07 Aug	IndiGo
31 Jul - 12 Aug	IndiGo
30 Jul - 14 Aug	Finnair	direct
31 Jul - 12 Aug	Finnair	direct
31 Jul - 07 Aug	Finnair	direct
29 Jul - 17 Aug	Finnair	direct

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

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 July from 792€

Return flights