Currently, the most affordable month to book a United Airlines flight from Singapore to San Francisco in September, with an average price of S$ 832. Conversely, traveling with United Airlines from Singapore to San Francisco in August will be the most expensive, with an average cost of S$ 1,424. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
S$ 1,153
February
S$ 1,158
March
S$ 1,153
April
S$ 1,183
May
S$ 1,351
June
S$ 1,432
July
S$ 1,709
August
S$ 1,938
September
S$ 1,132
October
S$ 1,139
November
S$ 1,134
December
S$ 1,362
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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