$119 Cheap Delta flights Boston (BOS) to San Diego (SAN)

Make use of the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines return flights from $237 from BOS to SAN. Affordable one-way fares from $119 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to jet off to San Diego with Delta Air Lines. You could also find excellent prices on return and one-way fares in November.

Begin your search one to three months ahead of your travel date to score cheap fares on Delta Air Lines flights from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Book a seat on one of Delta Air Lines’s 7 direct weekly flights from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN). To see your options, enter your travel dates, origin and destination and hit search. Then apply the “Nonstop” and “Airline” filters.

Take off from Logan Intl. Airport (BOS) for San Diego Intl. Airport (SAN) on a nonstop Delta Air Lines flight, and you’ll be in the air for around 6h 39m.

The first Delta Air Lines flight from BOS to SAN takes off at 5:20PM UTC-5, arriving at 8:59PM UTC-8. If you want to jet off later in the day, the last Delta Air Lines flight leaves BOS at 5:20PM UTC-5 and touches down at SAN at 8:59PM UTC-8. Flying earlier is generally a smart choice as morning flights are least likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Logan Intl. Airport (BOS) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main entry point to this city.

Flying from BOS to SAN with Delta Air Lines means enjoying a range of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Delta Air Lines generally uses Airbus A321neo planes for journeys from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN). Remember that aircraft type can change depending on operational requirements, so the plane you catch might be different on your travel date.

Changes are usually free within 24 hours of making your booking, but your airline may add a charge after that time. For further information about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to update your itinerary without additional charges, tick the “Changes included” or “No cancel fee” filter when planning your next adventure.