Cheap flights from London to San Francisco

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Info about flights from London to San Francisco

Some useful info about flights from London to San Francisco to help you plan your next trip

Average flight duration 10h 58m
Cheapest month February
Average number of flights per week 233
First flight time 06:00
Last flight time 23:10
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

What’s the cost of a flight from London to San Francisco?

Prices vary based on date, airline, and availability. Compare several options if you're flying between London and San Francisco.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Planning flights between London and San Francisco? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

  • Airports in London: 6 airports are listed in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
  • Airports in San Francisco: Only San Francisco is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Flights from London to San Francisco

Match your flight search to your preferences: London – San Francisco

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.

Frequently Asked Questions

Frequently asked questions about flights from London to San Francisco.

How much does an airline ticket from London to San Francisco cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from London to San Francisco.

How far is London from San Francisco?

London is about 8629 km from San Francisco.

What are the airports in San Francisco?

San Francisco has one airport: San Francisco.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from London to San Francisco?

The best time to book a flight from London to San Francisco is 1 month in advance, while the worst time is 5 weeks in advance.

What is the cheapest month to fly from London to San Francisco?

The cheapest month to fly from London to San Francisco is February.

What is the most expensive month to fly from London to San Francisco?

The most expensive month to fly from London to San Francisco is January.

What is the best day of the week to fly from London to San Francisco?

This information is not available at the moment.