￥19,520 Cheap Delta flights Boston (BOS) to San Diego (SAN)

View ￥19,520 flight on Wed, Jan 7, 2026Opens in a new window
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￥19,520 Cheap Delta flights Boston (BOS) to San Diego (SAN)

Prices were available within the past 7 days and start at ￥19,520 for one-way flights and ￥35,460 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Feb 5 - Wed, Feb 11
BOS
Boston
SAN
San Diego
￥35,460 Roundtrip, found 3 days ago
￥35,460
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Feb 5 from Boston to San Diego, returning Wed, Feb 11, priced at ￥35,460 found 3 days ago
Delta
Wed, Jan 7 - Wed, Jan 14
BOS
Boston
SAN
San Diego
￥35,800 Roundtrip, found 6 days ago
￥35,800
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 7 from Boston to San Diego, returning Wed, Jan 14, priced at ￥35,800 found 6 days ago
Delta
Sun, Jan 25 - Fri, Jan 30
BOS
Boston
SAN
San Diego
￥38,690 Roundtrip, found 4 days ago
￥38,690
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Jan 25 from Boston to San Diego, returning Fri, Jan 30, priced at ￥38,690 found 4 days ago
Delta
Wed, Jan 7 - Sun, Jan 11
BOS
Boston
SAN
San Diego
￥38,920 Roundtrip, found 6 days ago
￥38,920
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 7 from Boston to San Diego, returning Sun, Jan 11, priced at ￥38,920 found 6 days ago
Delta
Sat, Feb 28 - Sat, Mar 7
BOS
Boston
SAN
San Diego
￥40,190 Roundtrip, found 5 days ago
￥40,190
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 28 from Boston to San Diego, returning Sat, Mar 7, priced at ￥40,190 found 5 days ago
Delta
Tue, Mar 24 - Wed, Mar 25
BOS
Boston
SAN
San Diego
￥40,530 Roundtrip, found 6 days ago
￥40,530
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 24 from Boston to San Diego, returning Wed, Mar 25, priced at ￥40,530 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to San Diego (SAN)

March is typically the cheapest month to fly

From ￥26,178 - ￥52,391 per traveler.
Flights from Boston (BOS) to San Diego (SAN)
Origin airport
Logan Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
Delta
Distance
4131 km
Average flight time
3 hours 47 mins

Frequently asked questions

How much is a Delta Air Lines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
You'll discover cheap return Delta Air Lines flights from ￥35,460 from BOS to SAN by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from ￥19,520 for a one-way journey.**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 most affordable months to travel to San Diego with Delta Air Lines. You could also find fantastic deals on one-way and round-trip fares in November.
Does Delta Air Lines fly nonstop from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Yes, you can travel from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN) on one of Delta Air Lines's 7 direct weekly flights. Use our "Nonstop" and "Airline" filters to find the Delta Air Lines flight that'll get you to SAN at your preferred time.
How long does it take to fly from BOS to SAN with Delta Air Lines?
On average, it takes 6h 39m to travel nonstop from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN) with Delta Air Lines.
What airports does Delta Air Lines fly into in San Diego?
Take a Delta Air Lines flight from Logan Intl. Airport (BOS) to San Diego, and you'll probably land at San Diego Intl. Airport (SAN). This is the airline's primary hub in this destination.
What type of plane does Delta Air Lines fly from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Chances are you'll be flying on an Airbus A321neo for your Delta Air Lines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN). However, you may end up on another aircraft if there are operational changes.
Can I change or cancel my Delta Air Lines flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
Changes are often free within 24 hours of booking, but your airline may charge you after that time. For more information about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional charges, apply the "Changes included" and "No cancel fee" filters when organizing your trip.

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