Currently, the most affordable month to book a Alaska Airlines flight from San Francisco to San Diego in October, with an average price of $288. Conversely, traveling with Alaska Airlines from San Francisco to San Diego in June will be the most expensive, with an average cost of $367. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
$292
February
$297
March
$339
April
$311
May
$316
June
$367
July
$365
August
$313
September
$299
October
$288
November
$333
December
$306
SAN Temperature | 57.2 - 71.6 °F |
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If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
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