The contributors of Flight-Report published 17 reviews on 2 airlines on the route Zurich - Kloten (ZRH) → Bangkok - Suvarnabhumi (BKK). The airline with the best average rating is Thai Airways with 8.1/10. The average flight time is 10 hours and 48 minutes.
Airlines on this route are:
Frequent travelers recommend "SWISS First Lounge E" at ZRH for comfort and entertainment/wifi.