Holiday plans for thousands of Aussies has been thrown into chaos thank to Bali's Mount Agung Volcano blowing its top again.
Twenty-two Jetstar, Qantas, Virgin and Air Asia flights have been affected between Thursday night and Friday morning.
The airlines will continue to assess conditions on Friday and customers are encouraged to check websites.
Air Asia has cancelled three flights between Perth and Bali, and Jetstar 10 to and from Australia.
Another two Jetstar flights to Denpasar from Perth and Sydney were turned back.
Qantas also turned back two Melbourne and Sydney flights to the island, and delayed two more from Denpasar.
Virgin cancelled two flights between Sydney and Denpasar, and said one due to depart the island in the morning would likely be delayed.