Airbus, which has UK manufacturing facilities in Filton and Deeside, has secured an order from Virgin Atlantic Airways for 12 new aircraft.
The airline will purchase eight A350-1000s plane with deliveries starting in 2019, as well as four new aircraft on long term leases. It also has a lease option for a fifth aircraft.
The aircraft will initially be deployed at Heathrow Airport on its trans-Atlantic network and subsequently at Gatwick airport on leisure routes to the Caribbean.
Rolls-Royce has also won a $900m (£692.5m) order to supply and service engines for the new aircraft.
Prime Minister David Cameron said: "I welcome the news of Virgin Atlantic's investment. As well as being good news for passengers, it's great news for jobs in the UK. The fantastic Airbus A350 is built in the UK, with Rolls-Royce engines and suppliers across the country. It's an investment in the UK itself, and our world-beating aerospace industry."
Craig Kreeger, chief executive of Virgin Atlantic, added: "The size of this order demonstrates our absolute focus on investing in the future for our customers and our people, and confirms the strength of our business. The A350-1000 plays a pivotal role in our fleet programme, helping to create one of the youngest, cleanest, greenest fleets in the sky."
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