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฿4,350 Cheap Delta flights from Boston to San Diego (BOS→SAN)

View ฿4,350 flight on Tue, 1 Sept 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 ฿4,350 for one-way flights and ฿10,710 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 18 Aug - Tue, 25 Aug
BOS
Boston
SAN
San Diego
฿10,710 Return, found 5 days ago
฿10,710
Return
found 5 days ago
Select Delta flight, departing Tue, 18 Aug from Boston to San Diego, returning Tue, 25 Aug, priced at ฿10,710 found 5 days ago
Delta
Tue, 18 Aug - Tue, 25 Aug
BOS
Boston
SAN
San Diego
฿10,900 Return, found 5 days ago
฿10,900
Return
found 5 days ago
Select Delta flight, departing Tue, 18 Aug from Boston to San Diego, returning Tue, 25 Aug, priced at ฿10,900 found 5 days ago
Delta
Fri, 21 Aug - Tue, 25 Aug
BOS
Boston
SAN
San Diego
฿10,980 Return, found 5 days ago
฿10,980
Return
found 5 days ago
Select Delta flight, departing Fri, 21 Aug from Boston to San Diego, returning Tue, 25 Aug, priced at ฿10,980 found 5 days ago
Delta
Tue, 18 Aug - Sun, 23 Aug
BOS
Boston
SAN
San Diego
฿11,050 Return, found 5 days ago
฿11,050
Return
found 5 days ago
Select Delta flight, departing Tue, 18 Aug from Boston to San Diego, returning Sun, 23 Aug, priced at ฿11,050 found 5 days ago
Delta
Tue, 18 Aug - Tue, 25 Aug
BOS
Boston
SAN
San Diego
฿11,055 Return, found 5 days ago
฿11,055
Return
found 5 days ago
Select Delta flight, departing Tue, 18 Aug from Boston to San Diego, returning Tue, 25 Aug, priced at ฿11,055 found 5 days ago
Delta
Fri, 21 Aug - Tue, 25 Aug
BOS
Boston
SAN
San Diego
฿11,170 Return, found 5 days ago
฿11,170
Return
found 5 days ago
Select Delta flight, departing Fri, 21 Aug from Boston to San Diego, returning Tue, 25 Aug, priced at ฿11,170 found 5 days ago

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

March is typically the cheapest month to fly

From ฿6,861 - ฿9,024 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 ฿10,710 from BOS to SAN by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from ฿4,350 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 19 mins

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*Available to Expedia members.