Currently, the most affordable month to book a Alaska Airlines flight from Boston to San Diego in October, with an average price of $288. Conversely, traveling with Alaska Airlines from Boston to San Diego in July will be the most expensive, with an average cost of $356. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
$292
February
$297
March
$339
April
$298
May
$297
June
$346
July
$356
August
$308
September
$298
October
$288
November
$337
December
$305
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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