$169 Cheap Flights from London to San Francisco (LON to SFO)

App

Customer Support

USD

Find Bookings

Trip.com

Flights

Flights to United States

Flights to San Francisco

Flights from London to San Francisco

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Cheap flight deals from London to San Francisco Starting at $169

Discover our range of affordable one-way and round-trip flights from London to San Francisco and kick-start your next adventure today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from London to San Francisco?

Explore the best time to buy affordable tickets to San Francisco with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from London to San Francisco

Which airline provides the cheapest flights from London to San Francisco? Discover the option that best suits your travel needs before embarking on your journey.

easyJet

From $38

British Airways

From $42

Norse Atlantic Airways

From $47

WestJet

From $54

TAP Air Portugal

From $73

Air Transat

From $103

Jetblue Airways

From $104

Turkish Airlines

From $112

Aer Lingus

From $126

avianca

From $153

Find more flights and airlines

Alternative Cheap Routes from London to San Francisco

Did you know that you can save money and time on an alternative route from London to San Francisco? Check out some of the different available routes below.

Cheapest
SEN
14:20
54h 45m
2 transfer
SFO
13:05
London Southend Airport - San Francisco International Airport
Fri, Jan 24easyJet
$38
LTN
19:35
49h 30m
2 transfer
SFO
13:05
London Luton Airport - San Francisco International Airport
Fri, Jan 24easyJet
$39
LHR
20:30
48h 35m
2 transfer
SFO
13:05
London Heathrow Airport - San Francisco International Airport
Fri, Jan 24British Airways
$42
LHR
20:30
48h 35m
2 transfer
SFO
13:05
London Heathrow Airport - San Francisco International Airport
Fri, Jan 24British Airways
$42
Find More Flights

Frequently Asked Questions

When are flight tickets from London (LON) to San Francisco (SFO) the cheapest?
Airlines adjust prices for flights from London to San Francisco based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from London (LON) to San Francisco (SFO) cost?
According to Trip.com's data, the lowest price is around $1,387.
How long does it take to fly from London (LON) to San Francisco (SFO) and what is the distance?
It takes around 11 hours 12 minutes to fly from London (LON) to San Francisco (SFO).
What is the transportation method from the main airport to downtown in San Francisco?
- The distance from San Francisco International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from London (LON) to San Francisco (SFO)?
Airlines with flights from London (LON) to San Francisco (SFO): Delta Air Lines, Iberia, Alaska Airlines, Lufthansa, Finnair, British Airways, American Airlines, Swiss Airlines, Air Canada, United Airlines, Brussels Airlines, Air New Zealand, Singapore Airlines and Aer Lingus.

How to find a cheap flight from London to San Francisco

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Info | London to San Francisco

Cheapest nonstop flight price	$371
Cheapest round-trip ticket price	$91
Off-season for travel	January
Peak season for travel	February
Flight distance	8,628.48 km
Average flight time	11 hours 12 minutes
Popular airline	Finnair