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In general, when booking your flight to San Diego, February is the cheapest month on average.
In general, most flyers find the cheapest time to book a flight to San Diego is about 34 days prior.
From most locations, the cheapest day to fly to San Diego is Monday. Most users found that departing on a Sunday was most expensive.
Our data shows that the cheapest San Diego flights are usually those with morning departure times. evening flights are often costlier.
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