Based on service of Kuwait Airways you can fly from Geneva to Bangkok also at the beginning of next main tourist season 2017/2018 already for €257 (£222). Consider this deal as an error fare flights (OTA Glitch) therefore there is high risk that the tickets would be cancelled and refunded. Do not book your connection flight nor accommodation before you receive formal booking confirmation. Even after that the tickets may be cancelled so wait at least one month before booking anything else..
This deal with Kuwait Airways is valid throughout whole year 2017 except blackout period around Easter and Summer Holidays.
Booking sample
Geneva - Bangkok from €257 (£222) - Choose Skyscanner UK, IE or CH
Travel samples
31.3. - 16.4.
28.4. - 14.5.
15. - 28.5.
26.5. - 16.6.
2. - 16.6.
22.9. - 13.10.
6. - 20.10.
6. - 17.11.
17.11. - 8.12.
18. - 29.12.
22. - 29.12. (€322)
25.12. - 1.1.
25.12. - 5.1. (€339)
Booking sample of super cheap return flights from Geneva to Bangkok for €257 here. In this case you would depart from Switzerland to Thailand on 6th of November. Your return flight from this classic destination in South East Asia back to Europe would be on 20th of November 2017.
