Qantas has reopened ticket sales across its international network from July 1 in a sign the airline is optimistic COVID-19 vaccines will be rolled out widely enough over the next six months to restart overseas travel. The carrier had previously suspended bookings to London and the United States until October, but has now scheduled flights to these destinations from July, as the global vaccination drive accelerates. However, services to Singapore, Hong Kong and Japan that were set to resume in March have now been pushed back to July 1, as the prospect of establishing COVID-safe "travel bubbles" with those countries evaporates. A Qantas spokeswoman said the carrier had "aligned the selling of our international services to reflect our expectation that international travel will begin to restart from July 2021". "We continue to review and update our international schedule in response to the developing COVID-19 situation," she said. Qantas boss Alan Joyce has said that a vaccine would be necessary for quarantine-free travel to resume to destinations like the US and UK, which are both experiencing a surge in coronavirus infections, and that proof of immunisation will be a condition of travel. New Zealand is the only international destination Qantas is currently flying to, after Australia reopened its border to travellers coming across the Tasman in a "one-way bubble".<br/>