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฿4,265 Cheap Delta flights from Boston to San Diego (BOS→SAN)

View ฿4,265 flight on Wed, 28 Oct 2026Opens in a new window

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

Prices were available within the past 7 days and start at ฿4,265 for one-way flights and ฿9,185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 5 Dec - Wed, 9 Dec
BOS
Boston
SAN
San Diego
฿9,185 Return, found 2 days ago
฿9,185
Return
found 2 days ago
Select Delta flight, departing Sat, 5 Dec from Boston to San Diego, returning Wed, 9 Dec, priced at ฿9,185 found 2 days ago
Delta
Sat, 5 Dec - Wed, 9 Dec
BOS
Boston
SAN
San Diego
฿11,670 Return, found 2 days ago
฿11,670
Return
found 2 days ago
Select Delta flight, departing Sat, 5 Dec from Boston to San Diego, returning Wed, 9 Dec, priced at ฿11,670 found 2 days ago
Delta
Sat, 5 Dec - Tue, 8 Dec
BOS
Boston
SAN
San Diego
฿12,000 Return, found 4 days ago
฿12,000
Return
found 4 days ago
Select Delta flight, departing Sat, 5 Dec from Boston to San Diego, returning Tue, 8 Dec, priced at ฿12,000 found 4 days ago
Delta
Fri, 16 Oct - Mon, 19 Oct
BOS
Boston
SAN
San Diego
฿12,165 Return, found 6 days ago
฿12,165
Return
found 6 days ago
Select Delta flight, departing Fri, 16 Oct from Boston to San Diego, returning Mon, 19 Oct, priced at ฿12,165 found 6 days ago
Delta
Sat, 5 Dec - Tue, 8 Dec
BOS
Boston
SAN
San Diego
฿12,265 Return, found 4 days ago
฿12,265
Return
found 4 days ago
Select Delta flight, departing Sat, 5 Dec from Boston to San Diego, returning Tue, 8 Dec, priced at ฿12,265 found 4 days ago
Delta
Sat, 5 Dec - Wed, 9 Dec
BOS
Boston
SAN
San Diego
฿12,825 Return, found 2 days ago
฿12,825
Return
found 2 days ago
Select Delta flight, departing Sat, 5 Dec from Boston to San Diego, returning Wed, 9 Dec, priced at ฿12,825 found 2 days ago

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

October is typically the cheapest month to fly

From ฿6,847 - ฿10,483 per traveller.

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 ฿9,185 from BOS to SAN by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from ฿4,265 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 organising your trip.

Travel information

Origin airport
Logan Intl.
Destination airport
San Diego Intl.
Distance
4131 km
Average flight time
3 hours 4 mins

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*Available to Expedia members.