Cheapest one-way flights from Bangkok to Helsinki in September from 515€

Best time to book flights for Bangkok (BKK) to Helsinki (HEL) flights at AirHint

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

One-Way flights

11 Sep Thai Airways
24 Sep Finnair direct

Also check the deals for return flights from Bangkok to Helsinki in September.

Skyscanner

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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