Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to San Francisco in February, with an average price of £529. Conversely, traveling with British Airways from London Heathrow Airport to San Francisco in July will be the most expensive, with an average cost of £751. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£430
February
£421
March
£450
April
£453
May
£465
June
£559
July
£598
August
£526
September
£473
October
£479
November
£438
December
£455
SFO Temperature | 11 - 17 °C |
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If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).
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