Grace Taylor’s family hadn’t heard from her since last Tuesday
Ms Taylor tried to run away and blew a whistle when approached by officials, according to police.
She is now expected to fly back to the UK later this week.
Police Lieutenant Jetsada Chanpoom said: “Tourist police officers and immigration officials have found Grace Taylor at Krabi airport.
“She has spoken to embassy officials and we expect she will be leaving Thailand.
“She is feeling sick but we do not believe there was any crime involved.”
Following the police confirmation, her mother, Sam Taylor posted on Facebook: “Our Gracie has been found, we don’t as yet know what has happened.
“We are working to get her home safely.”
Grace Taylor was found at Krabi International Airport by police
She had not made contact with her family in nearly a week since until a sudden panicked phone call yesterday morning from Ao Nang, 500 miles away, to tell them she was “very stressed”.
She told her mother in the haunting phone call that “people were trying to hurt her”.
Her mother calmed her daughter down and booked her a flight to the UK from nearby Krabi airport that evening.
Although Ms Taylor reached the airport, she didn’t catch her flight on Monday and had gone missing again – until re-emerging this morning.
Yesterday, she wrote: “Grace Taylor made it to Krabi airport apparently around 8.30/9.30pm Thai time however she didn’t board the flight.
“Krabi airport isn’t 24 hours and there are no hotels nearby, it is a small unmanned and remote airport.
“Where is Grace?”
“We calmed her down and booked her a flight from Krabi tonight but she never arrived at the airport by taxi and has gone missing again.
“We are desperately worried, all previous backpacker sightings have reported that she is disorientated and not in a god mental state.
“Please can I reach out to the backpacker community once again to look out for her and get her safe. We are flying out tonight to come and bring her home.”
“The family haven’t been able to speak to her since Tuesday, February 16.
“We are now liaising with Interpol and an investigation is underway.”