Cheap flights from London to San Francisco from £446

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 40 inbound flights from London per day. You should also have plenty of airline options to choose from since 19 airlines have flights to the San Francisco airport from London. It is only a 11.0 mi journey from San Francisco (SFO) to San Francisco’s city center.

There are many flights that can get you from London to San Francisco in 15h 25m. Fly via British Airways, Virgin Atlantic, or Finnair to get the fastest option. London and San Francisco are separated by a distance of 5350 mi. This flight may include one or multiple stops.

Flying on Delta is currently your cheapest option to San Francisco, with prices starting at £321. Additional return tickets that might be worth considering are offered by SWISS and Aer Lingus, with the lowest prices starting at £350 and £354, respectively. Delta is priced at 39% lower than the current average price of a flight leaving 3 months from now.

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £273. Virgin Atlantic flights start at £324 while deals on Iberia start at £326 one-way.

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.

Consider Air Canada (87%), Austrian Airlines (87%) or United Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from London to San Francisco.

The cheapest flight price from London to San Francisco is £429. On average you can expect to pay £1,180. The most popular route, (London Heathrow - San Francisco), can usually be booked for £353.

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

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.

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.

Currently, February is the cheapest month in which you can book a flight from London to San Francisco (average of £405). Flying from London to San Francisco in December is currently the most expensive (average of £679). 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.

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.

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.