£350 Cheap Flights from London (LON) to San Francisco (SFO)
Popular airlines from London to San Francisco, CA (SFO-San Francisco Intl.)
Swiss International Air LinesSwiss International Air Lines
LufthansaLufthansa
IberiaIberia
Aer LingusAer Lingus
British AirwaysBritish Airways
Austrian AirlinesAustrian Airlines
FinnairFinnair
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Cheap Flights from London to San Francisco (LON-SFO)
Alternative airports near San Francisco
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from London (LON) to San Francisco (SFO)
February is typically the cheapest month to flyFebruary is typically the cheapest month to fly
Book with confidence
Compare flights from London to San Francisco easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to San Francisco. Operating between them flights per day, 10 airlines cover the route. And fly direct, getting you to San Francisco Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from London to San Francisco Intl..
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 London (LON) to San Francisco Intl. (SFO)
The easiest way to view the best deals on flights from London to San Francisco 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 London to San Francisco Intl. start at just £429 and range up to £655.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near London and San Francisco
- booking your flight during November, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your London to San Francisco flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from London to San Francisco Intl. 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.
Frequently Asked Questions
How much is a flight from London (LON-All Airports) to San Francisco Airport?
Round-trip tickets from London (LON-All Airports) to San Francisco Intl. Airport (SFO) start from £429. This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London (LON-All Airports) to San Francisco Airport?
Every airline has a different set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from London (LON-All Airports) to San Francisco Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for London (LON-All Airports) to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London (LON-All Airports) to San Francisco Airport?
With a flight distance of 8,600 kilometres between London (LON-All Airports) and San Francisco Intl. Airport (SFO), this is a long journey. Remember to keep well hydrated and move around the cabin from time to time.
Which airlines fly direct from London (LON-All Airports) to SFO?
With 60 flights every month operating from London (LON-All Airports) to San Francisco Airport, United Airlines (UA) is a terrific choice. If you'd like more options, have a look at the ticket prices from British Airways (BA). This carrier operates 60 flights a month between these airports.
Are London (LON-All Airports) to SFO flight tickets cheaper when they're purchased at the last minute?
Flight prices from London (LON-All Airports) to San Francisco Intl. Airport (SFO) are available up to a year before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it's never something you can count on. Also, booking your flights in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so check back often for all the latest specials.
Travel information
Origin airport | London |
|---|---|
Destination airport | San Francisco International Airport |
Distance | 5,383 miles away |
Return price | £429 |