Cheap flights from London to San Francisco from $597

Currently, January is the cheapest month in which you can book a flight from London to San Francisco (average of $876). Flying from London to San Francisco in December is currently the most expensive (average of $1,241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

• What airport do you fly into for flights to San Francisco from London?

  Located just 19.0 km from the city centre, San Francisco is the airport most travellers will use when flying to San Francisco from London. Booking flights from London to San Francisco (SFO) should be relatively easy as there are 31 daily inbound flights from London from 1 airline.

• Can I find flights from London to San Francisco for under $800 on Cheapflights?

  Yes, there are multiple flights from London to San Francisco for under $800. The cheapest flight booked recently is on Scandinavian Airlines for just $739, but on average you can expect to pay $792.

• Are there direct flights from London to San Francisco for under $800 on Cheapflights?

  Cheapflights has 20 direct flights from London to San Francisco under $800. A good price for a direct flight from London to San Francisco is less than $823.

• Are there last-minute flights available from London to San Francisco for under $900?

  There are currently 20+ open flights from London to San Francisco within the next 7 days for less than $900.

• What are the cheapest airlines flying from London to San Francisco round-trip?

  Cheapflights users have booked flights from London to San Francisco round-trip from $739. Other airlines that can offer you cheap pricing are Delta, from $781, and Finnair, from $786. Scandinavian Airlines is 23% cheaper than the average price of flights available within the next 90 days to this destination.

• What are the most popular routes from London to San Francisco?

  Most travellers choose London Stansted - San Francisco, London Luton - San Francisco or London Southend - San Francisco when deciding on the best route from London to San Francisco.

• What are the most reliable airlines from London to San Francisco?

  Before booking your flight to San Francisco from London, have a look at the most reliable airlines to get you to your destination on time: Air Canada (74%), Austrian Airlines (74%), United Airlines( 74%).

• What does LHR to SFO mean?

  LHR and SFO are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. LHR to SFO refers to a flight route from London Heathrow Airport to San Francisco Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

• Can I find deals for flights from London to San Francisco that include extra baggage allowance?

  The amount of baggage you can bring on your London to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

• Can I find deals on flights from London to San Francisco with specific airlines?

  Yes, Cheapflights allows you to browse and filter London to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

• Can I find deals for flights from London to San Francisco that include hotel bookings?

  Yes. In addition to deals on London to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

• How can I find direct flights from London to San Francisco?

  After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Francisco.

• Can I find deals for business class flights from London to San Francisco?

  Yes. Cheapflights offers flight deals from London to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

• Can I find deals for flights from London to San Francisco that allow pets onboard?

  Many airlines flying from London to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

• Can I find deals on last-minute flights from London to San Francisco?

  Yes, you can often find last-minute deals on London to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

• How recently were the London to San Francisco flight deals updated?

  The London to San Francisco flight deals you see on this page were last updated on 16/5.