Canadian officials were reluctant to comment further until she landed safely in Canada. Home Affairs Minister Peter Dutton also said there would be no "special treatment" in the case, according to CNN affiliate Nine News.
Ms Qunun's swift use of Twitter saw her amass more than 100,000 followers within a week, highlighting her plight at a time when Saudi Arabia's human rights record is under heavy scrutiny following the murder of journalist Jamal Khashoggi a year ago.
'I understand that there have been death threats against her but I don't know the details, ' said Phil Robertson from Human Rights Watch.
In response to the media campaign Thai authorities allowed her access to the UNHCR and did not deport her to Kuwait.
He said her father, who has flown to Thailand with her brother to try and lobby for her return, was the equivalent of a municipal mayor in the highly conservative Saudi Arabian province Ha'il. Several Saudis girls and women fleeing abuse by their families have been caught trying to seek asylum overseas in recent years, and returned home.
A USA news report says the young Saudi woman, who fled from her family during a holiday last weekend, has been granted asylum in Australia.
Alqunun's case has again highlighted the precarious cause of women's rights in Saudi Arabia.
She said she was aiming for Australia where officials had said they would give serious consideration to her claim for asylum, which was endorsed as legitimate by the UNHCR on Thursday.
"Rahaf temporarily suspended her #Twitter account because she has been receiving some very nasty, very real death threats".
Rahaf Mohammed Al-qunun at the United Nations building in Bangkok, before departing to the airport.
Al-Araibi's case is being considered by Thailand's justice system, said Payne.
Ms Alqunun and her supporters drew global attention to her case through a social media campaign launched mostly on Twitter.
The United Nations High Commissioner for Refugees (UNHCR) had asked Canada to accept her as a refugee, and Canada has accepted that request and will be granting her asylum, Trudeau confirmed.
Australia had said on Wednesday that it was considering taking in Qunun.
They heard the question as whether the teen should be killed for leaving Islam.
The embassy and Thai officials earlier said that Alqunun was stopped by Thai authorities because she did not have a return ticket, a hotel reservation or itinerary to show she was a tourist, which appeared to have raised a red flag about the reasons for her trip.
Alqunun deactivated her Twitter account on Friday.
"So it's surprising that on one hand you have the very quick and welcome action on this case of Rahaf, but on the case of Hakeem it's still stuck based on a Bahrain request to Thailand to send him back to a situation where he would certainly face imprisonment, torture and worse".
She made it to an airport in the Philippines, but despite the scene she made with her desperate pleas for safety and freedom, Dina was last seen screaming and being dragged onto a Saudi Arabia Airlines flight from Manila to Riyadh.
He was arrested while vacationing in Thailand in November due to an Interpol notice in which Bahrain sought his custody after he was sentenced in absentia in 2014 to 10 years in prison for allegedly vandalizing a police station - a charge he denies.