Qantas allows passengers to check in online starting 24 hours before the scheduled departure of their flight, providing a convenient way to select seats, add baggage, and obtain boarding passes in advance. The closing time for online check-in varies depending on the flight type and route. For domestic flights within Australia, online check-in generally closes between 30 and 60 minutes before departure. Specifically, flights with Qantas flight numbers 400 and above, including Jetstar-operated codeshare flights numbered between 5000 and 5999, close online check-in 30 minutes prior to takeoff. For domestic flights connecting to international services, the cut-off is typically 45 minutes before departure. Flights departing from international terminals within Australia have a 60-minute online check-in cut-off. For international flights, the deadlines differ by cabin class. Business and First Class passengers can check in online up to 60 minutes before departure. Economy and Premium Economy passengers must complete online check-in no later than 90 minutes before the flight departs. Passengers who do not check in online should arrive at the airport with sufficient time to use the physical check-in counters. Qantas recommends arriving at least 45 minutes before domestic flights and at least two hours before international flights to ensure enough time for baggage drop, security screening, and immigration procedures if applicable. Check-in desks at airports generally close 30 to 60 minutes before departure depending on the airport and flight, so arriving late can result in being denied boarding. For group bookings on domestic flights numbered 400 and above, online check-in closes 60 minutes before departure. It is important to confirm check-in times specific to your flight as they can vary based on route, airport, and travel class. Many travelers benefit from Qantas’ mobile app, which allows check-in, boarding pass storage, and real-time flight updates. Online check-in not only saves time but also reduces stress on the day of travel by avoiding long queues at the airport. However, certain situations such as traveling with special baggage, unaccompanied minors, or requiring special assistance may require passengers to check in at the airport counters regardless of online options. In summary, Qantas provides flexible check-in options starting 24 hours before departure, with online check-in closing anywhere from 30 minutes to 90 minutes before the flight, depending on the flight type and class of service. Arriving at the airport well in advance is crucial, especially for international departures, to allow time for all necessary procedures. Passengers should always verify their specific flight’s check-in deadlines on their booking confirmation or through Qantas’ official channels to avoid any last-minute issues and ensure a smooth travel experience.