DL/AA: Europe/USA-GRU $479 ai, 14k-18k mi
I see these European cities in the $400s and $500s, most on kayak, goog flights or skyscanner:
FCO, TRN, MXP, ZRH, AMS, CPH, ARN, CDG
And these American ones in the $400s and $500s:
DTW, SLC, MSP
Examples:
Nov. 15-23 TRN-GRU, $479
Aug. 19-26, SLC-GRU $444 (skyscanner)
Looks good til Feb '16.