The offer is available on flights booked in Club World (business class) and World Traveller (economy class) between December 5 and December 15 with validity up to March 15 next year.

Ahead of the holiday season, British Airways on Friday reduced its base fares by up to 74 per cent for its flights from India to a host of destinations across the US under a limited period special fare offer.

The offer is available on flights booked in Club World (business class) and World Traveller (economy class) for sale period between December 5 and December 15 with a travel period validity of up to March 15 next year, British Airways said.

Following the reduction in the base fares, the all-inclusive two-way tickets price for a flight to San Francisco in the US from Delhi now starts at Rs 53,760 with savings of up to 74 per cent on the base fare, British Airways said.

Similarly, the airline has offered an up to 37 per cent discount in base fares on all-inclusive business class return fares for Chennai-Chicago sector.

British Airways covers over 150 destinations in 75 countries while in India the carrier operates 49 flights a week from London's Heathrow airport to Mumbai, New Delhi, Chennai, Bengaluru and Hyderabad.

"This is a significant year for us at British Airways as we celebrate 90 years of flying to India. “We are delighted to launch the biggest sale of the year for all our Indian customers to visit some of the best destinations in the US, whilst enjoying our award winning facilities on-board," British Airways regional commercial manager for South Asia Christopher Fordyce said.

With connectivity to over 500 destinations in association with American Airlines, British Airways customers will arrive, depart and transfer through Terminal 5, the airline's dedicated home at London Heathrow, which offers a smooth and seamless travel experience, he said.