Originally Posted by corporate-wage-slave

This is normally considered a cash route when the other cash options have run out. But 3600 miles suggests 61k Avios in business (see Sticky on Spending Avios). The cash component you can guess by looking into the TFC on a revenue booking, so I reckon that is about 188€ for carrier surcharges and 90€ for taxes. so let's say 300€ for CMN to JFK.