If you consider to book your ticket based on this promotion please look for travel dates till end of December 2015. (except blackout period during Easter and summer holidays). Current promotional tariff of Qatar Airways is valid for bookings made till 25th of January 2015 or until fixed. Since there are plenty of options how to reach Switzerland ex other European cities for very low fare this is an interesting option for many travelers within Europe. We recommend to use service of Skyscanner to quickly find out which airlines are available from your hometown. To book some cheap accommodation you may compare hotel rooms here.
Booking samples
Amsterdam - Jakarta for €458 (directly with Qatar Airways, travel sample18.6. - 5.7.)
NL - Amsterdam - Jakarta for €430 (+€22 booking fee)
DE - Amsterdam - Jakarta for €435
Amsterdam - Bali for €569 (directly with Qatar Airways, travel sample18.6. - 5.7.)
NL - Amsterdam - Bali for €537 (+€22 booking fee)
DE - Amsterdam - Bali for €543
Amsterdam - Bali and Jakarta - Amsterdam for €488
Travel dates - while you may find quite a lots of travel options to Jakarta there are just few travel options to Bali at the lowest fare. Easiest way is to check directly with Qatar Airways as they offer +- 3 days search.
Travel samples to Bali
17.6. - 5.7.
18.6. - 8.7.
29.11. - 15.12.
6. - 15.2.
Booking sample of cheap return flights from Amsterdam to Indonesia for €435 here. In this case you would be departing from Amsterdam to Jakarta on 18th of June and returning back from Indonesia to Netlerlands on 5th of July 2015.