Currently, October is the cheapest month in which you can book a flight to San Diego (average of $288). Flying to San Diego in June will prove the most costly (average of $364). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
January
$292
February
$297
March
$339
April
$303
May
$308
June
$364
July
$363
August
$312
September
$299
October
$288
November
$334
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).