Airlines are not usually up front about their refund policies — you as the traveler often have to directly ask to be refunded or credited for things like a rebooked flight, lost baggage or alternate transportation.

Source: https://www.moneytalksnews.com/slideshows/heres-what-each-airline-will-refund/

Most flights affected were rebooked in the care of the employer.

Source: https://newsinfo.inquirer.net/1715406/ople-raises-need-for-institutionalized-partnership-with-miaa-caap-for-crisis-management

Qantas says it has rebooked 75 per cent affected customers onto different flights today, and is offering refunds to people who no longer wish to fly due to the disruptions.

Source: https://www.9news.com.au/national/qantas-flights-cancelled-perth-airport-pilots-strike/1682e507-c776-47f2-9e29-f8cc181999c6