Cheap Flights from London to San Francisco International (LON - SFO)

Top last minute flight deals

Feeling spontaneous? It’s never too late to book a trip. Here’s our pick of the best last minute flights to San Francisco...
Estimated lowest prices only. Found in the last 14 days.

Direct flights to San Francisco International

Want to fly non-stop to San Francisco International? We’ll help you find your ideal route.

  • Aer Lingus
  • Aeromexico
  • Air Canada
  • Air France
  • Air New Zealand
  • American Airlines
  • Austrian Airlines
  • British Airways
  • Brussels Airlines
  • Delta
  • Finnair
  • Iberia
  • KLM
  • Lufthansa
  • Norwegian
  • Norwegian Air UK
  • Singapore Airlines
  • United
  • Virgin Atlantic
Search direct flights

Flight information London to San Francisco International

Cheapest return price last month


Direct airlines


Flights per week


Average flight time, total distance 5367 miles

11h 0min

Most popular airline last month

British Airways

San Francisco International

1 airport

Frequently asked questions

There's one airport in San Francisco: San Francisco International.
The best price found on Skyscanner for a flight from London to San Francisco International is £222. This was found by aggregating across different carriers and is the cheapest price for the whole month.
11h 0min is the average flight time from London to San Francisco International.
There are 11 airlines who fly direct from London to San Francisco International.
As of February, there are 42 flights per week flying from London to San Francisco International.

Airlines that fly from London to San Francisco

Direct flights from London to San Francisco are available from London Heathrow Airport, served by United Airlines, British Airways, Delta and Virgin Atlantic.

Flights to San Francisco with one connection are also available from Heathrow, served by Aer Lingus with a connection in Dublin and KLM via Amsterdam. If you would prefer to fly from Gatwick Airport, flights with one connection are available from Aer Lingus via Dublin.

Terminal Information

It is recommended that you arrive at the airport at least 3 hours before your flight to San Francisco is scheduled to depart. Online and mobile check in is offered by all airlines, and can save you time at the airport however you still need to ensure you leave enough time to drop off any hold luggage at the bag drop desks and then go through security.

Heathrow Airport

United Airlines and Aer Lingus flights depart from Terminal 2, refurbished in 2014 you will now find a number of designer fashion brands, Harrods and high street favourite John Lewis in the departures lounge. Fast food and fine cuisine are both available, from caviar at the Caviar House & Prunier Seafood Bar to Yo! Sushi and Starbucks.

Delta and Virgin Atlantic flights to San Francisco depart from Terminal 3 with an array of shopping opportunities for designer labels, duty free deals and holiday essentials. Harrods, World of Whiskies and Zara are just a few of the many shops here. Food options are aplenty with British food from Rhubarb, Oriel French Restaurant, Italian at Strada and many snacks and coffee shops.

KLM flights depart from Terminal 4 and British Airways are based in Terminal 5, both terminals have a similar selection of shops and designer fashion brands such as Harrods, Ted Baker, Thomas Pink and somewhere for all the essentials; Boots and WHSmith.

4 hours of free Wi-Fi is available within all terminals of the airport and the mobile phone and laptop charging points will ensure you can remain connected.

Gatwick Airport

Aer Lingus flights from Gatwick to San Francisco depart from the South Terminal. A variety of shops are located after security such as Harrods, Ernest Jones, Kurt Geiger and Sunglass Hut. Bars, restaurants and coffee shops cater for a variety of choices, whether it’s a meal before you go at Giraffe, Frankie & Benny’s and Nandos or somewhere to pick up a snack such as M&S Simply Food or Pret a Manger.

San Francisco Airport

San Francisco International Airport is located 13 miles south of San Francisco in San Mateo County. The airport has 4 terminals, one of which, the International Terminal (Terminal-I) is dedicated to international flights and is the destination for all direct flights to San Francisco from London.

The AirTrain at San Francisco Airport offers free transport around the airport between each of the terminals, the San Francisco Airport Car Rental Center and the BART Station. The BART station is the rail link between the airport and the city centre. Taxis and 5 bus routes are also available from the airport.

Practical Information

British passport holders can travel to the US for up to 90 days without the need for a visa thanks to the US Visa Waiver Programme. An ESTA (Electronic System for Travel Authorisation) form must be completed online before travelling to ensure you get authorisation to travel to the US.

What to expect in San Francisco

San Francisco is known to be one of the most expensive cities in the US, and you will notice almost all aspects of your trip to the city will cost more than it would in London. The city has an all year round mild climate and is one of the coolest cities in the US during the summer months, these are typically cooler than London. There is an 8 hour time difference between the UK and San Francisco.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.