LHR - SFO Price
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£391 - £737
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SFO Temperature
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11 - 17 °C
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SFO Rainfall
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0 - 112 mm
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Popular in July High demand for flights, 34% potential price rise |
Cheapest in November Best time to find cheap flights, 20% potential price drop |
Round-trip from £315 From London Heathrow to San Francisco |
One-way from £274 One-way flight from London Heathrow to San Francisco |
Travelers have found it’s best to book a flight 61 days in advance to save up to 41% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to San Francisco 1-2 weeks in advance for as low as £430, or £528 for flights within the next 24 hours.
February is one of the best times of the year to fly to San Francisco from London Heathrow Airport. Prices for February average £392 per person but you can even find prices for as low as £287. The most expensive prices can be found in the month of July. Opting for a February flight can save you 51% on your journey compared to booking in July
When flying from London Heathrow Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London Heathrow. Booking flights from London Heathrow to San Francisco (SFO) should be relatively easy as there are 36 daily inbound flights from London Heathrow from 19 different airlines.
Some of the carriers operating flights from London Heathrow to San Francisco that may be offering flexible cancellation policies are Virgin Atlantic, Lufthansa, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.
Yes, there are multiple flights from London Heathrow Airport to San Francisco for under £400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £344, but on average you can expect to pay £371.
Cheapflights has at least 20 direct flights from London Heathrow Airport to San Francisco under £400. A good price for a nonstop flight from London Heathrow Airport to San Francisco is less than £424.
There are currently 20+ open flights from London Heathrow Airport to San Francisco within the next 7 days for less than £500.
Cheapflights users have booked flights from London Heathrow Airport to San Francisco round-trip from £344. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from £353, and British Airways, from £377. TAP AIR PORTUGAL is priced at 12% lower than the current average price of a flight leaving 3 months from now.
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to San Francisco on time: KLM (89%), Air France (89%), Delta (89%).
The cheapest flight price from London Heathrow Airport to San Francisco is £351. On average you can expect to pay £2,177. The most popular route, (London Heathrow - San Francisco), can usually be booked for £344.
The most popular airlines flying from London Heathrow Airport to San Francisco are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.
Information is based on travel restrictions from London Heathrow to San Francisco
Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter San Francisco.
COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to San Francisco.
Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering San Francisco.
Returning to London Heathrow from San Francisco
COVID-19 testing requirements
Visitors from San Francisco are not required to present a negative COVID-19 PCR test or antigen result upon entering London Heathrow.
Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering London Heathrow.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
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£276 | £365 | No cancel fee | N/A |
Search TAP AIR PORTUGAL flights
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£310 | £539 | No cancel fee | N/A |
Search Norwegian Air UK flights
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£317 | £504 | No cancel fee | 76% |
Search Lufthansa flights
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£319 | £529 | No cancel fee | N/A |
Search Delta flights
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£355 | £498 | No cancel fee | 76% |
Search Finnair flights
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£356 | £509 | No cancel fee | 72% |
Search Virgin Atlantic flights
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£368 | £469 | No cancel fee | 77% |
Search Iberia flights
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£371 | £534 | No cancel fee | 75% |
Search KLM flights
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£372 | £499 | No cancel fee | 67% |
Search Air Canada flights
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£384 | £442 | No cancel fee | 77% |
Search Scandinavian Airlines flights
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Afternoon Midday to 6 PM | 54% of flight departures |
Morning 6 AM to midday | 45% of flight departures |
Early morning Midnight to 6 AM | 1% of flight departures |
Evening 6 PM to midnight | 0% of flight departures |