US$374️ Cheap Flights from London to San Francisco (2024)

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London to San Francisco - Flights Starting at US$374

Book one-way or return flights from London to San Francisco from as little as US$374. 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.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

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

Cheapest 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 US$220

easyJet

From US$350

PLAY Airline

From US$369

Vueling Airlines

From US$370

Wizz Air Malta

From US$377

Ryanair

From US$392

Jet2.com

From US$419

TAP Air Portugal

From US$433

Icelandair

From US$440

Air Transat

From US$451

ANA airlines

Find more flights and airlines

Alternative Routes from London to San Francisco

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
US$220
LTN
19:00
34h 13m
2 transfer
SFO
21:13
London Luton Airport - San Francisco International Airport
Wed, May 22easyJet
US$350
SEN
11:25
35h 10m
2 transfer
SFO
14:35
London Southend Airport - San Francisco International Airport
Mon, May 6easyJet
US$355
SEN
11:25
35h 10m
2 transfer
SFO
14:35
London Southend Airport - San Francisco International Airport
Mon, May 6easyJet
US$355
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 $1,244.
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 Royal Dutch Airlines, 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	$373
Cheapest round-trip ticket price	$501
Off-season for travel	April
Peak season for travel	October
Flight distance	8,628.48km
Average flight time	11 hours 1 minute
Popular airline	Lufthansa