Flights to and from Bali have been severely disrupted because of volcanic activity, with Mt Rinjani spewing clouds of ash into the air.
However travellers due to fly to the island on Tuesday are being advised to check in as normal unless they receive specific advice that their flight has been cancelled.
Virgin Australia, Tigerair and Jetstar flights from Australia have been affected.
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Tigerair flights to Denpasar from Melbourne, Adelaide and Perth, and Virgin flights from Brisbane and Sydney were cancelled on Monday.
Tigerair flights out of Denpasar to Melbourne, Perth and Adelaide were also grounded.
Jetstar cancelled six flights between Denpasar and Australia on Monday night with two flights turned back to Australia after conditions in Bali changed mid-flight..
Tigerair has posted an apology to passengers on its website.
“The latest advice from our team of meteorologists and the Volcanic Ash Advisory Centre is that conditions are not suitable for operations into and out of Denpasar Airport (on Monday 1 August) due to volcanic activity from Mt Rinjani.
“Tigerair Australia sincerely apologises to affected passengers for the inconvenience however weather conditions are outside the airline’s control and safety always comes before schedule.”