Despite being undefeated as a pair, they declined to confirm that they would definitely team up again with Hingis saying she would assess which tournaments she wants to play at the end of the season. With this victory, she now has 24 Grand Slam titles across singles and doubles.
"He texted me and said well done", he told reporters.
Considering their outstanding record together - they are unbeaten since Hingis first suggested that they should play together at Wimbledon this summer - the Swiss player's reluctance to commit to the future might be seen as an indication that she is looking ahead to a life beyond tennis.
For Hingis, it was a 25th career Grand Slam title overall and her third of the year.
Madison Keys and Sloane Stephens have begun the first all-American U.S. Open final in 15 years.
Venus's main focus at Flushing Meadows had ben the men's doubles but he and Harrison lost in the first round, denting their shot at qualifying for the year-ending ATP finals.
Fake News IS Fanning Flames Of Violence, Says Suu Kyi
He noted that " the images we are seeing of the suffering of the Rohingya fill us with pain and dread ". Some have called for the Nobel Peace Prize she won in 1991 as a champion of democracy to be revoked.
"She's an unbelievable player, she's had such a great career", he said.
The Scot said: "This scoring format is a lot more random than at Wimbledon. Sometimes I just wanted to focus on that".
Hingis and Chan, formed this year after Chan parted ways with her longtime partner and sister Chan Hao-Ching, have dominated the circuit since forming and the second-seeded pairing did not drop a set in their six victories.
The name of Murray was engraved on another US Open trophy as Jamie, alongside Martina Hingis, won the mixed doubles title in a fast and furious final that required precision, power and a steady nerve.
Stephens was sidelined for 11 months because of a stress fracture in her left foot.