The contributors of Flight-Report published 4 reviews on 1 airlines on the route Helsinki - Helsinki-Vantaa (HEL) → Bangkok - Suvarnabhumi (BKK). The airline with the best average rating is Finnair with 7.3/10. The average flight time is 10 hours and 56 minutes.
Airlines on this route are:
Frequent travelers recommend "Finnair non-Schengen Lounge" at HEL for comfort and services.