British Airways will deploy the Boeing 787-9 Dreamliner from the city beginning September next year, making it the second route in the country after New Delhi.
The airline started flying latest version of the Boeing 787 on the New Delhi route from October this year.
British Airways has 42 Dreamliners on order. It currently operates Boeing 787-9s on New Delhi, Abu Dhabi and Muscat routes.
Apart from Mumbai, the airline will deploy these modern planes on Austin, Kuala Lumpur and San Jose California routes from London.
British Airways is also offering limited period discounted fares to London from Mumbai and Delhi on its business class.
The airline said it will be offering a return ticket on its Club World cabin to London from Mumbai and Delhi, for Rs 1,35,991 and Rs 1,29,031 respectively.
The offer starts from today through December 11 and is valid till December 31.
British Airways network serves over 179 cities in 75 countries and has been connecting India for over 90 years and currently operates 49 flights a week from the Heathrow to New Delhi, Mumbai, Chennai, Bengaluru and Hyderabad.