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.

What safety measures are being taken by airlines flying from London to San Francisco to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from London to San Francisco. Policies will vary by airline.

Which airlines flying from London to San Francisco have flexible cancellations due to COVID-19?

Some of our airline partners flying from London to San Francisco have new flexible policies in place due to COVID-19. British Airways, Virgin Atlantic, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Can I find flights from London to San Francisco for under £308 on Cheapflights?

Yes, there are multiple flights from London to San Francisco for under £308. The cheapest flight booked recently is on Multiple Airlines for just £249, but on average you can expect to pay £273.

Are there direct flights from London to San Francisco for under £385 on Cheapflights?

Cheapflights has 20 direct flights from London to San Francisco under £385. A good price for a direct flight from London to San Francisco is less than £328.

Are there last-minute flights available from London to San Francisco for under £308?

There are currently 20+ open flights from London to San Francisco within the next 7 days for less than £308.

How many flights depart from London to San Francisco on average per day?

Travellers can expect 9 flights from London to San Francisco on average per day.
Afternoon (Midday - 6pm) - 100% of flight departures

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.

How long does is the flight from London to San Francisco?

There are many flights that can get you from London to San Francisco in 11h. Fly via Norwegian, Virgin Atlantic, or Delta to get the fastest option. The distance between London and San Francisco is about 5383 mi. This flight may include one or multiple stops.

What are the cheapest airlines to flying from London to San Francisco return?

According to our current data, Delta (£264), and TAP AIR PORTUGAL (£276) offers the cheapest pricing from London to San Francisco. Delta is priced at 29% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London to San Francisco one-way?

One-way options have recently been found by users for as low as £166 on Delta.