NEED TO KNOW

■ VIRGIN ATLANTIC (virginatlantic.com; 0344 8747 747) flies twice daily from London Heathrow direct to San Francisco, with return fares from £315 per person. This fare is available for selected departures during 2019/20 and is purchasable until June 15, 2019.

■ ROOMS at Hotel Emblem (viceroyhotelsandresorts.com/ en/emblem) in Nob Hill are available from $127/£96 per night (room only). Visit sftravel.com for more information.