London → San Francisco flights
Last observed price · Last checked: 24 Aug 2026 · Price may change
Short answer
British Airways flies London to San Francisco non-stop. The lowest fare our own searches returned is €515, seen on 24 Aug 2026. The average across the fares we caught is €609. October 2026 is the cheapest month in our observations, at €515. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
€515Cheapest12 Oct 2026 → 9 Dec 2026TAP Air Portugal · 1 stop · 19:50Last checked: 24 Aug 2026 · Price may change58 nightsView ticket →€52010 Nov 2026 → 16 Nov 2026TAP Air Portugal · 1 stop · 18:30Last checked: 24 Aug 2026 · Price may change6 nightsView ticket →
€52016 Nov 2026 → 30 Nov 2026KLM · 1 stop · 20:25Last checked: 24 Aug 2026 · Price may change14 nightsView ticket →
€54212 Feb 2027 → 18 Feb 2027British Airways · 1 stop · 09:50Last checked: 24 Aug 2026 · Price may change6 nightsView ticket →AA€54531 Oct 2026 → 1 Nov 2026Alaska Airlines · 1 stop · 14:45Last checked: 24 Aug 2026 · Price may change1 nightView ticket →AA€54821 Dec 2026 → 1 Jan 2027Alaska Airlines · 1 stop · 14:45Last checked: 24 Aug 2026 · Price may change11 nightsView ticket →
€5878 Oct 2026 → 22 Oct 2026airBaltic · 1 stop · 09:25Last checked: 24 Aug 2026 · Price may change14 nightsView ticket →€58922 Dec 2026 → 3 Jan 2027British Airways · 1 stop · 13:15Last checked: 24 Aug 2026 · Price may change12 nightsView ticket →Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Route facts
Frequently asked
Are there direct flights from London to San Francisco?+−
Yes. We have seen non-stop flights on this route, flown by British Airways, United Airlines, Virgin Atlantic.
How much is a flight from London to San Francisco?+−
The lowest fare we have observed is €515, found on 24 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from London to San Francisco?+−
These are the carriers we have seen on the route: British Airways, United Airlines, Virgin Atlantic.
When is the cheapest month to fly from London to San Francisco?+−
In our observations October 2026 is the cheapest month so far, at €515.
Similar routes
More routes from London
More routes to San Francisco
Last checked: 24 Aug 2026