Top ranked Eithad Airways offers some great option not only for travellers in Switzerland to visit beautiful Thai island Koh Samui out of main tourist season. If you are flexible you can book return tickets in October or November already for €399 when departing from Geneva. (Note that October and November are the wettest months though). Fare is including all taxes and fees and checked bag as well as luxurious on-board service of one of few 5* carriers. (Ranked by Skytrax).
*UPDATE* – Now also available from March to June 2018! Note that March and April are one of the driest months and perfect time to visit this beautiful Thai isle..
As mentioned this Etihad Airways promotion is available when travelling to Koh Samui from September to 12th of December 2017. Based on date of your outbound flight from Europe to Thailand. Max stay 1 month. Promo sale is running till 4th of July or until the cheapest tariff is sold out. Also consider great option from Europe to Thailand on another 5-star carrier Qatar Airways. Return flights to Krabi are now available already for €355 throughout next whole peak season 2017/2018. You can refer to both deals below.
Geneva – Koh Samui for €454 (Directly with carrier you can compare all available travel dates there)
Booking sample of latest prmotional deals with 5* Etihad Airways flights from Geneva to beautiful Koh Samui, Thailand for €399! Also as per our booking sample you would depart from Switzerland to this Thai isle on 26th of November. Your return flight from South East Asia back to Europe would be on Thursday, 10th of December 2017.