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Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
This is not so unusual. DL discounted BE and (upgradeable with miles or SWUs) M fares TATL RTs tend to be considerably cheaper when originating in Europe rather than the USA. It happens on many routes.