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.

Are there nonstop flights from San Francisco to London for under $400 on Cheapflights?

There are no nonstop flights from San Francisco to London, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from San Francisco to London for under $400?

There are currently just 3 open flights from San Francisco to London within the next 7 days for less than $400.

How popular is this flight route?

The San Francisco to London flight path was viewed by 21 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

When booking remember that flights San Francisco to London are typically delayed by 36min. so prepare as needed.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for British Airways, as currently they have the cheapest options available from San Francisco to London. On average you can find 52 flights for this flight path daily.

How long does the flight from San Francisco to London take?

For nonstop trips expect to fly for about 11 hours. The travel distance is approximately 3,345 miles.

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

16 flight departures from San Francisco to London per day on average.
Afternoon (Noon - 6pm) - 56% of flight departures
Evening (6pm - Midnight) - 44% 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.