If you consider to book your ticket based on this promotion please look for travel dates between June and from 6th of September till 31st of October 2015. (based on date of your outbound flight to Asia). This promotional deal with Iberia is valid for bookings made till 26th of May 2015. We recommend to use service of Skyscanner to quickly find out which airlines are available from your hometown. Please refer to below booking samples if interested in this promotion and possible error fare deal with Iberia.
Booking samples
Madrid - Kuala Lumpur for €302 (directly with Iberia, travel sample 8. - 19.10.)
ES - Madrid - Kuala Lumpur from €295
DE - Madrid - Kuala Lumpur from €287
EN - Madrid - Kuala Lumpur from £217
Travel date samples - The easiest way is to search directly via Iberia web site. They offer +- 3 days view so you can easily select travel dates that suit you the most.
Once you reach Malaysia you have full scope of possibilities where to accommodate and there should be no issue to find your hotel right after arrival in Kuala Lumpur. If you still need to book your hotel in advance you can compare some affordable accommodation here.
Booking sample of a cheap flights to Kuala Lumpur, Malaysia for €287 here. In this case you would be departing from Madrid to Kuala Lumpur on 8th of October. You would be then returning back from Malaysia to Europe on 19th of October 2015.