Second ticket discounts of 50% are being made available by Cathay Pacific as part of a ‘Green Friday’ promotion on flights to Asia.

The airline will offset double the emissions without any additional cost to the customer for flights booked via its website by November 30.

Deals start at £399 return from Manchester to Hong Kong and £419 from Heathrow.

A ‘two together’ promotion running concurrently includes a discount of up to 50% for a second ticket.

Travel is available between April 1 and October 31, 2021 and includes Tokyo, Osaka, Nagoya and Sapporo in Japan starting  at £669 plus Sydney, Brisbane, Melbourne, Adelaide, Perth and Auckland from £689.

Unlimited ticket changes without any extra charge for up to a year after purchase are available.

Passengers can also use a rapid testing centre at Heathrow to obtain a Covid-19 PCR test in 80 minutes.