Cheap flights from London to San Francisco

Flight FAQs

From London to San Francisco

Are flight prices decreasing from London to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London to San Francisco for under £400 on Cheapflights?

Yes, there are multiple flights from London to San Francisco for under £400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £308, but on average you can expect to pay £324.

Are there direct flights from London to San Francisco for under £400 on Cheapflights?

Cheapflights has 6 direct flights from London to San Francisco under £400. A good price for a direct flight from London to San Francisco is less than £444.

Are there last-minute flights available from London to San Francisco for under £600?

There are currently 7+ open flights from London to San Francisco within the next 7 days for less than £600.

How popular is this flight route?

This flight path from London to San Francisco was viewed by 592 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline for this route?

Currently, British Airways offers the cheapest flights from London to San Francisco. On average 52 flights can be found for this airline route daily.

Is London weather warmer or cooler than San Francisco?

Expect the weather to be around 25 °C on average in September. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Francisco is generally hotter than in London.

Cheap Flights from London to San Francisco

When you book a cheap flight from London to San Francisco, you’ll be among the 11 million people who travel to this Californian city every year. And loads of them are repeat customers, coming back time after time. Some want to check out the postcard images – Golden Gate Bridge, cable cars, Alcatraz and Fisherman’s Wharf. Other travellers come to delve into colourful neighbourhoods like Chinatown, Little Italy and Pacific Heights. This heady mix of must-sees helps to make San Francisco the fifth most popular city in the USA.

How long is the flight from London to San Francisco?

Direct London to San Francisco flights are around 11 hours long. Occasionally a flight with a stopover is cheaper, adding on anything from an hour to 20 hours to your travel time.

Which airlines operate flights from London to San Francisco?

Most airlines fly from London to San Francisco, including Air Canada, British Airways, Delta Air Lines, United Airlines and Virgin Atlantic.

How frequent are flights between London and San Francisco?

San Francisco flights usually depart from London daily.

Which airports serve London and San Francisco?

You can fly from London to San Francisco from Gatwick, Heathrow or London City Airport. San Francisco has one international airport – San Francisco International.

Which direct flight route between London and San Francisco is cheapest?

The cheapest direct flights from London to San Francisco take off from Heathrow and Gatwick. Mountaineering cable cars, pacy neighbourhoods, Victorian architecture, creative cuisine, and city centre sealions – you’ll find it all in San Francisco. And thanks to the city’s waterside spot, you’re never far away from a vista of the Pacific Ocean. Golden Gate Bridge launches itself across the city’s bay, where Alcatraz prison and the houseboats of Sausalito reside. It’s worth timing your London to San Francisco flights just right. The Californian city is famous for its winter fog, plus it gets doused in even more rain than London between November and March. That said, San Francisco also serves up lots more sunshine, especially in the toasty summer and autumn months. Looking for flights from London to San Francisco? Try out our search engine. Smart filters let you choose which airlines, times, airports and stops (if any) you’d prefer.