Originally Posted by
Happy
I am confused by your post.
My understanding is, using BA miles to book partner award flights, the fuel surcharge is much lower than book BA's own flights.
I recently tried booking a JL flight with BA miles for NRT-LAX. With BA, have to go through LHR and cost 48K miles + $450 (one way). With JL the cost is 25K miles and $120.
This means that BA is collecting the YQ that JL charges for the route ($72).

since that fee is not passed on to JL anyway.