Cheapest one-way flights from Bangkok to Helsinki in September from 383€

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

14 Sep IndiGo
17 Sep IndiGo
18 Sep IndiGo
19 Sep IndiGo
20 Sep IndiGo
14 Sep Finnair direct
19 Sep Finnair direct
20 Sep Finnair direct
17 Sep Finnair direct
18 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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki