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Cheap Flights from Boston to San Diego $262.12

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Cheapest Flights from Boston to San Diego (BOS to SAN)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Boston to San Diego (BOS to SAN)

Question : Over the coming months, which airline is getting its passengers to San Diego International Airport (SAN) round-trip the cheapest?
Answer : JetBlue Airways is your best bet for finding that coveted low fare.

Question : Can you cut down on flight costs by changing the day of the week you travel to San Diego?
Answer : In February, Wednesday is your cheapest day to fly. Being flexible with your travel days garners you even more savings during your booking.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of January 16th, the best day for booking to San Diego (SAN) from Boston (BOS) is February 11th. Bookings have been made roughly 17% below the average price for this route.

Question : Is there a day that has more departure times to choose from than other days?
Answer : The days with the most departure times for this route are Sunday and Monday with 12 options. Note that Wednesday and Saturday offer the least number of options with eight flight times.