Cheap flights from London to San Francisco from £188

Currently, February is the cheapest month in which you can book a flight from London to San Francisco (average of £529). Flying from London to San Francisco in July is currently the most expensive (average of £748). 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?

  San Francisco (SFO) is the airport you will fly into if you book a flight from London to San Francisco. You should not have trouble finding flights to San Francisco from London; the airport handles an average of 31 inbound flights from London per day. You should also have plenty of airline options to choose from since 21 airlines have flights to the San Francisco airport from London. It is only a 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.

• 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 £390, but on average you can expect to pay £408.

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

  Cheapflights has at least 20 direct flights from London to San Francisco under £400. A good price for a nonstop flight from London to San Francisco is less than £428.

• Are there last-minute flights available from London to San Francisco for under £400?

  There are currently 20+ open flights from London to San Francisco within the next 7 days for less than £400.

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

  Flying on TAP AIR PORTUGAL is currently your cheapest option to San Francisco, with prices starting at £390. Additional return tickets that might be worth considering are offered by Finnair and Scandinavian Airlines, with the lowest prices starting at £399 and £417, respectively. TAP AIR PORTUGAL is priced at 20% lower than the current average price of a flight leaving 3 months from now.

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

  When deciding which route to take from London to San Francisco consider London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco as they are the most popular.

• What are the most popular airlines that fly from London to San Francisco?

  Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from London to San Francisco.

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

  Consider Aeromexico (88%), Air France (79%) or Delta (79%) when booking your flight. These represent the most reliable airlines when flying from London to San Francisco.

• What are the cheapest flights from London to San Francisco?

  The cheapest flight price from London to San Francisco is £439. On average you can expect to pay £1,607. The most popular route, (London Heathrow - San Francisco), can usually be booked for £370.

• What does LHR to SFO mean?

  London Heathrow Airport is LHR and San Francisco Airport is SFO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

• Where are the most common stopover locations when flying from London to San Francisco?

  Most of the time, London to San Francisco flights that have stopovers will stop in Dublin. Dublin is followed by New York in terms of the most popular stopover location on flights from London to San Francisco.

• What are some popular things to do or see while on a stopover in Dublin?

  Bord Gáis Energy Theatre, Olympia Theatre, and Royal Hospital Kilmainham are currently the most popular points of interest in Dublin at the moment. Bord Gáis Energy Theatre, Olympia Theatre, and Royal Hospital Kilmainham can be accessed by travelling approximately 5.7 mi, 5.7 mi, and 6.1 mi, respectively from Dublin. Travellers can book a car hire at Dublin for about £19 per day to make their sightseeing more efficient.

• What are some popular points of interest to see during a stopover in New York?

  Times Square, New York City Center, and Empire State Building are the most popular attractions in New York if you're in need of something to do during your stopover. Times Square, New York City Center, and Empire State Building can be accessed by travelling approximately 13.6 mi, 13.6 mi, and 13.2 mi, respectively from New York John F Kennedy Intl. Those looking to explore during their stopover in New York can hire a car from New York John F Kennedy Intl for about £46 per day.

• Where are the least popular stopover locations for London to San Francisco flights?

  The least popular stopover on flights from London to San Francisco is Copenhagen.

• 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 24/4.

• What are the most eco-friendly airlines from London to San Francisco?

  If you are looking for flights to San Francisco from London that are eco-friendly, there are a couple of airlines that we can recommend. The recommended airlines are Brussels Airlines, Finnair, Jetblue and Singapore Airlines. If you choose to fly with Brussels Airlines, you will be flying with an airline that trains its pilots only to use one engine during taxiing and limited flaps while landing. This saves a lot of fuel. The fleet of aircraft for long-haul flights has also been replaced with models consuming 3.1% less fuel. Finnair is another great option for sustainable travel. They plan to cut their carbon emissions by 2025 by 50% from 2019’s level. This airline is also working on sustainable catering. Jetblue uses Airbus A320neos which improve fuel economy by 15%. This airline also uses Sharklets, which are wing tip devices that improve aerodynamics and reduce carbon emissions by 4%. Singapore Airlines is another great airline to fly with for eco-friendly travel. This airline is working on sustainable fuel and regularly replaces its planes with newer models that consume less fuel.

• How to fly more sustainably from London to San Francisco?

  There are many great ways to travel more sustainably to San Francisco from London. One of the best ways you can do this is by taking a direct flight. Taking a direct flight uses less fuel than taking a flight route with more than one stopover. If you can, you should also fly in economy class. The economy class takes up less room in the aircraft and therefore can hold more passengers. Another great eco-friendly way to travel is by packing light. The lighter you pack, the less fuel the aircraft will use. Flying with an airline that has sustainable travel methods in place is super beneficial for the planet. If you have the option, try to fly with Brussels Airlines, Finnair, Jetblue or Singapore Airlines.