Cheap Flights from San Francisco (SFO) to London (LHR) from £223

Cheap Flights from San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and starts at £223 for one-way flights and £303 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Finnair
Iberia
American Airlines
JetBlue Airways
British Airways
Iberia
Delta
American Airlines
Virgin Atlantic
Finnair
British Airways
KLM
Air France
Virgin Atlantic
KLM
JetBlue Airways
Alaska Airlines
Lufthansa
Delta

Flights from San Francisco to London: Reviews from verified customers

Flight from San Francisco to London route information
Origin AirportSan Francisco Intl.
Destination AirportHeathrow
Airlines ServingAer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, SAS, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Flight Price£303
Distance8567 km

Frequently asked questions

Frequently asked questions

Compare flights from San Francisco to London easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to London. Operating between them 17 flights per day, 20 airlines cover the route. And American Airlines, Air Canada, Austrian, Aer Lingus, Finnair, Iberia, Brussels Airlines, Air New Zealand, SWISS, Lufthansa, United Airlines, British Airways fly direct, getting you to Heathrow in just 26hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Heathrow (LHR) 

The easiest way to view the best deals on flights from San Francisco to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Heathrow start at just £303 and range up to £419.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and London
  • booking your flight during January , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.