DeChambeau, who is ranked fifth in the entire world, joked Saturday it was an expensive mistake to have went home following the second round and then have to return on his Netjets personal journey bargain.
With his finish Sunday, DeChambeau will create $228,825, an amount he said would pay for the tab.
"It definitely will, for certain," DeChambeau said after completing in 280, 4 under par. "But it was more for me. The price wasn't really anything I was worried about. I actually didn't wish to emphasise Wells Fargo and Quail Hollow and the guys who set up this championship and give so much to charity.
"I mean, that is among the things I want to encourage. And lovers out here, didn't wish to disappoint them. That's something that's super important to me about growing the sport. I would definitely make that cost twice, twice as much for me to return here to do this again."
He left because at the time he ended, he was about 90th place and thought he had no opportunity.
As it turned out, DeChambeau ended in a tie for 64th, 8 shots back of the 36-hole leaders.
"It was worthwhile. It no doubt was worth it," he said Sunday. "That's what I was expecting to get this weekend once I was on that plane at 2:45 a.m. [Saturday]. Yeah, I needed to make it worthwhile. I didn't want to come out here and finish 60-whatever, near continue. Even at that, it is still FedEx Cup points, it has still world rank points. I was pleased to have return and ended.
"The goal is obviously to be No. 1, and I want to be in the Olympics, so we'll keep moving ahead in the right direction. If I get my driving going next week, I enjoy that golf course and hopefully I can play well out there."
DeChambeau is scheduled to play during this week's AT&T Byron Nelson followed by the PGA Championship a week afterwards.