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

Return flights

17 Jun - 02 Jul	IndiGo
17 Jun - 22 Jun	IndiGo
17 Jun - 21 Jun	IndiGo
17 Jun - 26 Jun	IndiGo
20 Jun - 08 Jul	IndiGo
25 Jun - 30 Jun	IndiGo
17 Jun - 28 Jun	Japan Airlines
26 Jun - 20 Jul	IndiGo
20 Jun - 25 Jun	IndiGo
20 Jun - 20 Jul	IndiGo
29 Jun - 21 Jul	IndiGo
21 Jun - 28 Jun	Pegasus Airlines
18 Jun - 02 Jul	IndiGo
26 Jun - 11 Jul	IndiGo
26 Jun - 16 Jul	IndiGo
23 Jun - 28 Jun	Ryanair
28 Jun - 13 Jul	IndiGo
20 Jun - 27 Jun	IndiGo
24 Jun - 09 Jul	IndiGo
23 Jun - 30 Jun	IndiGo

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

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 Helsinki to Bangkok in June from $801

Return flights