Indonesia's second-busiest airport will stay shut until at least 7 pm local time (1100 GMT) on Friday, with 85 worldwide flights and 191 domestic flights cancelled, affecting almost 16,000 people, airport authorities said. Several flights were cancelled or rescheduled on Thursday.
Australia's national airline Qantas said it was monitoring advice from the regional Volcanic Ash Advisory Center in Darwin, Australia, and its own pilots and meteorologists would decide when flights can resume.
The airport on Indonesia's holiday island of Bali reopened on Friday after ash from a volcano forced a brief closure and the cancellation of more than 300 flights.
Ash is unsafe for planes because it makes runways slippery and can be sucked into their engines.
The National Disaster Mitigation Agency said almost 450 flights were canceled, affecting some 75,000 people.
Mount Agung rumbled back to life previous year and has been erupting periodically since.
Ngurah Rai worldwide airport says all flights are suspended until at least 7pm local time (9pm AEST). The return flight NZ246 from Denpasar to Auckland has also been cancelled.
It's hard to predict opponents like Nigeria says Sampaoli
The World Cup is now in full swing, and FanDuel is offering daily fantasy contests every day, for the entirety of the tournament. This is the last throw of the dice for Sampaoli, who would be extremely to keep his job if Argentina suffer a group stage exit.
The fresh activity threatens to create travel chaos after an Agung eruption in November stranded thousands and pounded Bali's lucrative tourism industry and wider economy.
It had a dramatic increase in activity last year, forcing the evacuation of tens of thousands of people, but had quietened by early this year.
Long lines at airport in Bali as flights are cancelled or delayed. It has been erupting with various intensities since previous year.
Despite the eruption the volcano's status has not been raised by Indonesia's volcanology agency and remained at alert level, while the Volcano Observatory Notice For Aviation has issued an orange level warning.
There is a four-kilometre (2.5 mile) no-go zone around Agung's peak.
Its last major eruption in 1963 killed around 1,600 people.
Indonesia sits on the so-called Pacific Ring of Fire, an area known for seismic upheavals and volcanic eruptions.