Originally Posted by
LondonElite
If you are on a BA flight, you’ll pay higher surcharges, regardless of the programme you book through.
Well, maybe not if you redeem for BA through LAN Pass, but that might not be an option for the OP.
https://viewfromthewing.boardingarea...ds-heres-save/
But redeeming BA Avios for BA short-haul flights (like LHR-FRA) as an RFS can be a much
better deal than redeeming other program's miles for such flights.