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.

Can I find flights from San Francisco to London for under $400 on Cheapflights?

Yes, there are multiple flights from San Francisco to London for under $400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $309, but on average you can expect to pay $370.

Are there nonstop flights from San Francisco to London for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to London under $600. A good price for a nonstop flight from San Francisco to London is less than $605.

Are there last-minute flights available from San Francisco to London for under $900?

There are currently 20+ open flights from San Francisco to London within the next 7 days for less than $900.

How popular is this flight route?

The San Francisco to London flight path was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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.

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.