฿10,895 Cheap Flights from Boston (BOS) to San Diego (SAN)

View ฿10,895 flight on Mon, 5 Jan 2026Opens in a new window

Popular airlines from Boston to San Diego, CA (SAN-San Diego Intl.)

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Cheap Flights from Boston (BOS) to San Diego (SAN)

Prices were available within the past 7 days and start at ฿10,895 for one-way flights and ฿18,035 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿18,035 Return, found 22 hours ago
฿18,035
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿18,035 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿18,345 Return, found 22 hours ago
฿18,345
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿18,345 found 22 hours ago
American Airlines
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿19,585 Return, found 22 hours ago
฿19,585
Return
found 22 hours ago
Select American Airlines flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿19,585 found 22 hours ago
United
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿19,900 Return, found 22 hours ago
฿19,900
Return
found 22 hours ago
Select United flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿19,900 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿19,910 Return, found 22 hours ago
฿19,910
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿19,910 found 22 hours ago
United
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿20,065 Return, found 22 hours ago
฿20,065
Return
found 22 hours ago
Select United flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿20,065 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿20,075 Return, found 22 hours ago
฿20,075
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿20,075 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿20,220 Return, found 22 hours ago
฿20,220
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿20,220 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿21,150 Return, found 22 hours ago
฿21,150
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿21,150 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿21,160 Return, found 22 hours ago
฿21,160
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿21,160 found 22 hours ago
American Airlines
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿21,460 Return, found 22 hours ago
฿21,460
Return
found 22 hours ago
Select American Airlines flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿21,460 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿21,465 Return, found 22 hours ago
฿21,465
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿21,465 found 22 hours ago
Delta
Mon, 5 Jan - Mon, 12 Jan
BOS
Boston
SAN
San Diego
฿21,470 Return, found 22 hours ago
฿21,470
Return
found 22 hours ago
Select Delta flight, departing Mon, 5 Jan from Boston to San Diego, returning Mon, 12 Jan, priced at ฿21,470 found 22 hours ago

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

March is typically the cheapest month to fly

From ฿5,389 - ฿10,785 per traveller.
Flight from Boston to San Diego route information
Origin airport
Logan Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Return price
฿18,035
Distance
4131 km
Average flight time
3 hours 47 mins

Perfect flights from Boston to San Diego

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Boston to San Diego. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Logan Intl. to San Diego Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿10,895 and roundtrip prices from ฿18,035. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at San Diego Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in San Diego.

Frequently asked questions

How much is a flight from Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN)?
The lowest price advertised for a round-trip flight between BOS and SAN is ฿18,035. But you better get moving. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to San Diego Intl. Airport (SAN)?
We get that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Logan Intl. Airport to San Diego Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BOS to San Diego Intl. Airport (SAN) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Logan Intl. Airport to San Diego Intl. Airport (SAN)?
It takes about 6 hours and 33 minutes to get from BOS (BOS) to SAN (SAN). But with some music and an interesting book, the time will pass by quicker.
How far is the flight from Logan Intl. Airport (BOS) to SAN?
Boston to San Diego is around 4,200 kilometres, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your toothbrush to your hairbrush. Take some snacks to nibble on throughout your trip too.
Which airlines fly direct from Logan Intl. Airport (BOS) to San Diego Airport?
JetBlue Airways (B6) is one of the top choices for many travellers flying between Logan Intl. Airport (BOS) and SAN. Take your pick of the 60 flights it operates on this route each month. Another airline operating on this route is Alaska Airlines (AS). You'll have 30 flights a month to choose from.
Are Logan Intl. Airport (BOS) to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a great last-minute deal from BOS to San Diego Intl. Airport (SAN), but it's also possible to miss out altogether! As many airlines release prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest easy knowing you're always seeing the latest offers.
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