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

View $119 flight on Wed, Aug 27, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $119 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 28 - Wed, Nov 5
BOS
Boston
SAN
San Diego
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Oct 28 from Boston to San Diego, returning Wed, Nov 5, priced at $237 found 1 hour ago
Delta
Tue, Oct 28 - Wed, Nov 5
BOS
Boston
SAN
San Diego
$239 Roundtrip, found 1 hour ago
$239
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Oct 28 from Boston to San Diego, returning Wed, Nov 5, priced at $239 found 1 hour ago
Flights from Boston (BOS) to Carlsbad (CLD)
Origin airport
Logan Intl.
Destination airport
McClellan-Palomar
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
2573 mi
Average flight time
3 hours 59 mins

Frequently asked questions

How much is a Delta Air Lines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (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.
What is the cheapest month to fly from BOS to SAN with Delta Air Lines?
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.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN) with Delta Air Lines?
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.
Does Delta Air Lines fly nonstop from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
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.
How long does it take to fly from BOS to SAN with Delta Air Lines?
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.
What is the earliest Delta Air Lines flight from BOS to SAN?
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.
What airports does Delta Air Lines fly into in San Diego?
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.
Why fly with Delta Air Lines from BOS to SAN?
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.
What type of plane does Delta Air Lines fly from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
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.
Can I change or cancel my Delta Air Lines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
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.
*Available to One Key members.