Nice sale with Lufthansa from London to Bogota via Frankfurt. Fares start at £1423 and book into P class so be careful as they earn 0 miles in programs such as Aegean. But these credit at 100% to United so you would earn 12294 miles.
Here is a Trip Report with Lufthansa on their Airbus 380 from Frankfurt to Johannesburg and with an Airbus 340-600 from Munich to Newark.
Lufthansa Business Class
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