As mentioned above, the EWR-HNL-LAX-IAD-DEN-SEA-SFO-LAX-IAD-GRU-IAH-EWR fare for $440 all-in on CO was the winner for me. Got a $600 bump coming back from GRU and a $400 bump from LAX-IAD, so I made about $560 on the trip. It was also a blur to move between all of the time zones.
A close second was PHL-YYZ-BCN-YYZ-PHL for $370, in which I netted a $500 AC bump voucher on the outbound and $780 cash (EU rules) on the return for bumps. Was very pleasant to go to the Washington, DC AC ticket counter and have them cut the check for me
