$563+ Cheap flights from London (LON) to San Francisco (SFO)

Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London. Booking flights from London to San Francisco (SFO) should be relatively easy as there are 41 daily inbound flights from London from 13 different airlines.

There are many flights that can get you from London to San Francisco in 11h 05m. Fly via Virgin Atlantic, British Airways, or Delta to get the fastest option. There are 5350 mi between London and San Francisco. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

TAP AIR PORTUGAL, at $449, was found to be the cheapest airline from London to San Francisco.Alternate airlines to your destination round-trip include Aer Lingus and United Airlines. You may be able to fly from London to San Francisco for 35% less than the average price by searching for these airlines.

The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $370. However, be on the lookout for offers from Aer Lingus and Delta, as they are both options that can get you from London to San Francisco for a low price.

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

No one likes to see their flight delayed. When booking a flight from London to San Francisco consider choosing Air Canada (91%), Austrian Airlines (91%) or United Airlines (91%) as they are the most reliable in getting you off to your destination on time.

While on average a flight from London to San Francisco is generally $1,580, our data shows the cheapest flight currently is $526. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay $520 for that flight.

Yes. In addition to deals on London to San Francisco flights, Cheapflights offers vacation 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 $532). Flying from London to San Francisco in December is currently the most expensive (average of $923). 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.