$426 Find Cheap Flights from London to San Francisco

App

Help

USD

Search Bookings

Trip.com

Flights

Flights to United States

Flights to San Francisco

Flights from London to San Francisco

Hotels in 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

Find cheap flights from London to San Francisco starting at $426.

Book one-way or return flights from London to San Francisco from as little as $426. Choose from the popular airlines below and book your flight today!

One way
Round-trip

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

Searching for the best last minute flight from London to San Francisco? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from London to San Francisco. Stay updated on price trends and snag the best deals for your upcoming trip.

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

View airlines operating flights from London to San Francisco. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Norse Atlantic Airways

From $287

easyJet

From $330

Vueling Airlines

From $348

Ryanair

From $350

PLAY Airline

From $369

Icelandair

From $392

Jet2.com

From $420

British Airways

From $425

WestJet

From $429

ITA Airways

From $433

ANA airlines

Find more flights and airlines

Find cheap flights from London to San Francisco by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from London to San Francisco.

Cheapest
LGW
10:45
30h 40m
1 transfer
SFO
09:25
London Gatwick Airport - San Francisco International Airport
Tue, May 7Norse Atlantic Airways
$287
LTN
12:50
33h 50m
1 transfer
SFO
14:40
London Luton Airport - San Francisco International Airport
Mon, May 6easyJet
$330
SEN
11:25
35h 10m
2 transfer
SFO
14:35
London Southend Airport - San Francisco International Airport
Mon, May 6easyJet
$356
SEN
11:25
35h 10m
2 transfer
SFO
14:35
London Southend Airport - San Francisco International Airport
Mon, May 6easyJet
$356
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 $1,273.
How long does it take to fly from London (LON) to San Francisco (SFO) and what is the distance?
It takes around 11 hours 1 minute 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 17km. 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, United Airlines, KLM, Brussels Airlines, Air France, British Airways, Austrian Airlines, Virgin Atlantic, Finnair, Iberia and Lufthansa.

How to find a cheap flight from London to San Francisco

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to San Francisco. Book your flights at the right time and save more.

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

London to San Francisco Flight Information

Cheapest nonstop flight price	$425
Cheapest round-trip ticket price	$496
Off-season for travel	April
Peak season for travel	July
Flight distance	8,628.48km
Average flight time	11 hours 1 minute
Popular airline	United Airlines