Regarding LH points, I would use mine purchasing in-flight duty free sales when flying with Swiss.
As for airline add-on's here's a recent fare breakdown booking of ours, the base fares accumulate to PHP800 yet the fuel surcharges are more than six times greater than the base fares:
CEB/KUL/CEB
FARE:
Base Fare PHP 800.00
TRAVEL FEES AND TAXES:
MY - Passenger Service Charge PHP 844.22
Fuel Surcharge PHP 4,880.40
OTHER FEES:
Web Admin Fee PHP 400.00
TOTAL: PHP 6,924.62