Thanks for NRT !
I found €1,847.33 from 24/12 to 4/01/2015:
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Fare 1: Carrier KL Z3PRNL AMS to TYO (rules)
Passenger type ADT, round trip fare, booking code Z
Covers AMS-NRT (Business)
€692.00
Fare 2: Carrier KL Z3PRNL TYO to AMS (rules)
Passenger type ADT, round trip fare, booking code Z
Covers NRT-AMS (Business)
€692.00
The Netherlands Passenger Service Charge (RN) €15.46
The Netherlands Noise Isolation Charge (VV) €2.00
The Netherlands Security Service Charge (CJ) €12.82
KL YR surcharge (YR) €414.00
Japan International Passenger Facility Charge (SW) €15.25
Passenger Security Service Charge (OI) €3.80
Subtotal per passenger €1,847.33
Number of passengers x1
Total airfare & taxes €1,847.33
This ticket is non-refundable.
No changes may be made to this ticket after purchase.