Finnair has launched a sale on its routes from the UK to Asia (via Helsinki), for bookings made by September 15.

Flights can be booked here, and example economy fares include Hong Kong from £460, Singapore from £475, Beijing from £445, Xi’an from £445 and Delhi from £475.

Passengers can also upgrade to an Economy Comfort seat at the time of booking “for as little as €50 Euros during the promotional period”.

Economy Comfort offers more legroom, noise cancelling headphones, a Marimekko designed amenity kit and priority boarding and disembarkation.

Discounted fares are also available in business class, with examples including from £1,315 to Hong Kong, £1,340 to Guangzhou, £1,425 to Hong Kong, and £1,465 to Singapore.

Bookings must be made by September 15, for travel dates between September 6, 2016 and May 17, 2017 (exact travel dates vary depending on route).

Finnair flies from Heathrow, Manchester and Edinburgh to a total of 17 destinations in Asia via its hub in Helsinki.

The carrier also announced today that it will equip all of its Airbus A320 fleet with in-flight wifi capabilities by June 2018.

The airline said that “With a connection speed of 12 Mbps or higher per passenger, the new system will offer the fastest in-flight internet connection currently available on the market”.