Currently, the most affordable month to book a WestJet flight from Calgary to San Francisco in January, with an average price of C$ 274. Conversely, traveling with WestJet from Calgary to San Francisco in July will be the most expensive, with an average cost of C$ 430. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 375
February
C$ 382
March
C$ 489
April
C$ 448
May
C$ 493
June
C$ 497
July
C$ 589
August
C$ 552
September
C$ 500
October
C$ 509
November
C$ 539
December
C$ 501
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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