LON - SFO Price
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£277 - £528
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SFO Temperature
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15 - 25 °C
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Popular in July High demand for flights, 34% potential price rise |
Cheapest in February Best time to find cheap flights, 20% potential price drop |
Round-trip from £277 From London to Fremont |
One-way from £173 One-way flight from London to Fremont |
Tuesday is generally a great day to depart. Flying on this day could help you save up to 14%.
To save on the cost of your flight from London to Fremont, book at least 61 days before your planned departure. Booking around this time can save you about 41% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £382 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £469.
Flights from London to Fremont lean towards being more expensive in July. Prices are generally better when you fly from London to Fremont in February, with the cheapest ticket starting at £255.
Unlike in the evening, when flights are generally more expensive, you can save up to 4% on flights from London to Fremont by exploring options for tickets in the afternoon.
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 London and San Francisco 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.
New policies can now be found on Delta to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from London to San Francisco. Policies will vary by airline.
Some of our airline partners flying from London to San Francisco have new flexible policies in place due to COVID-19. British Airways, Virgin Atlantic, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.
Yes, there are multiple flights from London to Fremont for under £358. The cheapest flight booked recently is on Multiple Airlines for just £317, but on average you can expect to pay £339.
Cheapflights has 20 direct flights from London to Fremont under £430. A good price for a direct flight from London to Fremont is less than £385.
There are currently 20+ open flights from London to Fremont within the next 7 days for less than £358.
Expect the weather to be around 25 °C on average in September. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Francisco is generally hotter than in London.
A quick flight from London to Fremont can take about 13h 50m. KLM provides one of the quickest options available for as low as £480. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Cheapflights users have booked flights from London to Fremont from £322 return. Other airlines that can offer you cheap pricing are SWISS, from £344, and Lufthansa, from £346. Vueling is 7% cheaper than the average price of flights available within the next 90 days to this destination.
One-way options have recently been found by users for as low as £173 on Vueling.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
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£351 | £516 | No cancel fee | N/A |
Search Brussels Airlines flights
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£354 | £526 | No cancel fee | 74% |
Search Norwegian flights
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£369 | £550 | No cancel fee | 77% |
Search Air France flights
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£330 | £561 | No cancel fee | 75% |
Search KLM flights
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£346 | £563 | No cancel fee | 77% |
Search Iberia flights
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£410 | £568 | No cancel fee | N/A |
Search TAP AIR PORTUGAL flights
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£348 | £569 | No cancel fee | 76% |
Search Finnair flights
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£377 | £602 | No cancel fee | 79% |
Search SWISS flights
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£342 | £614 | No cancel fee | 67% |
Search Air Canada flights
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£320 | £697 | No cancel fee | N/A |
Search Delta flights
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Afternoon Midday to 6 PM | 72% of flight departures |
Morning 6 AM to midday | 28% of flight departures |
Early morning Midnight to 6 AM | 0% of flight departures |
Evening 6 PM to midnight | 0% of flight departures |