<font face="Verdana, Arial, Helvetica" size="2">Originally posted by geo1004:
US allows open jaws. But they don't fly to any of the places you've mentioned other tha ATL. 
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But their partners do... they use Northwest as a partner to Asia and several airlines to Europe. Unfortunately, NW is not a partner to Europe so an open jaw using US miles would have to be on, say, Swiss Air to SVO and then on NW coming back from Asia. Is that possible?
Most of my miles are on US and NW, so it would be nice if I could do this using one of them or their partners.
By the way, does an open jaw to Europe returning from Asia take the average of the number of miles each of those destinations would cost if r/t? I.e. on NW an off-peak coach ticket to Europe is 40,000 and to Asia is 50,000. Would the trip I am proposing then cost 45,000?