Cheap flights from San Francisco (SFO) to London (LON)

Flight FAQs

From San Francisco to London

Are flight prices decreasing from San Francisco to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to London to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. New policies for travelers booking flights from San Francisco to London include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from San Francisco to London have flexible cancellations due to COVID-19?

Some of the carriers operating flights from San Francisco to London that may be offering flexible cancellation policies are United Airlines, Virgin Atlantic, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from San Francisco to London for under $500 on Cheapflights?

Yes, there are multiple flights from San Francisco to London for under $500. The cheapest flight booked recently is on Multiple Airlines for just $406, but on average you can expect to pay $451.

Are there nonstop flights from San Francisco to London for under $500 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to London under $500. A good price for a nonstop flight from San Francisco to London is less than $538.

Are there last-minute flights available from San Francisco to London for under $600?

There are currently 20+ open flights from San Francisco to London within the next 7 days for less than $600.

What days are nonstop flights available from San Francisco to London?

Days when nonstop flights are available for this flight are: Wednesday.

How many flights depart from San Francisco to London on average per day?

1 flight departure from San Francisco to London per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures

Is San Francisco weather warmer or cooler than London?

You can imagine temperatures to be in the 77 °F range in September. The weather in London is generally colder than San Francisco's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from San Francisco to London?

A quick flight from San Francisco to London can take about 10h 25m. Iberia provides one of the quickest options available for as low as $513. Airlines will cover a distance of 5383 mi. Most flights are nonstop.

What are the cheapest airlines flying from San Francisco to London round-trip?

Our cheapest airline available from San Francisco to London is Norwegian. Our recent data shows that you can find tickets from as low as $435 on this airline. An additional option worth looking into is TAP AIR PORTUGAL, starting at $449. Users have found that Norwegian is 14% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San Francisco to London one-way?

The cheapest airline for a one-way flight from San Francisco to London is Iberia ($263).