Delta flights from Boston to San Diego (BOS - SAN)

• Can I get a flight from Boston to San Diego on Delta for under $400?

  Cheapflights users have found 23 Delta flights for under $400 on the BOS-SAN route. Prices on flights to San Diego from Boston can vary based on many factors including dates. To look at price based on your preferred dates, click here.

• How do most travelers feel about Delta?

  When planning your BOS-SAN trip, keep in mind that Delta is typically rated 6.2/10. This rating comes from 4,114 reviews by Cheapflights users who have traveled with Delta.

Currently, the most affordable month to book a Delta flight from Boston to San Diego in October, with an average price of $288. Conversely, traveling with Delta from Boston to San Diego in June will be the most expensive, with an average cost of $360. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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).