San Diego

$94+ Cheap flights from Massachusetts to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAN
Jul 27 — Aug 31
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Cheap flight deals from Massachusetts to San Diego

Cheapest flights from Massachusetts to San Diego
Explore the most affordable flight options available from Massachusetts to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This Super.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:10 am
BOS
-
SAN
Nonstop6h 02m
JetBlue
Wed 7/158:40 pm
SAN
-
BOS
Nonstop5h 39m
JetBlue
Deal found 6/25$248
This Cheapflightsfares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:50 am
BOS
-
SAN
Nonstop6h 06m
JetBlue
Sat 9/1910:40 am
SAN
-
BOS
1 stop10h 14m
JetBlue
Deal found 6/24$249
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 am
BOS
-
SAN
1 stop8h 32m
United Airlines
Tue 8/252:15 pm
SAN
-
BOS
1 stop7h 56m
United Airlines
Deal found 6/23$252
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:20 am
BOS
-
SAN
Nonstop6h 25m
Southwest
Wed 12/1611:20 am
SAN
-
BOS
Nonstop5h 20m
Southwest
Deal found 6/26$253
This Cheapflightsfares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:01 am
BOS
-
SAN
1 stop8h 51m
JetBlue
Sun 9/61:06 pm
SAN
-
BOS
Nonstop5h 45m
JetBlue
Deal found 6/24$254
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:27 am
BOS
-
SAN
1 stop7h 40m
American Airlines
Sat 8/299:36 pm
SAN
-
BOS
1 stop9h 36m
American Airlines
Deal found 6/25$256
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:20 pm
BOS
-
SAN
Nonstop6h 15m
Delta
Tue 8/2510:02 pm
SAN
-
BOS
Nonstop5h 38m
Delta
Deal found 6/23$257
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:15 am
BOS
-
SAN
Nonstop5h 55m
Southwest
Mon 8/243:55 pm
SAN
-
BOS
Nonstop5h 30m
Southwest
Deal found 6/25$258
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:30 pm
BOS
-
SAN
1 stop8h 15m
Southwest
Tue 8/183:55 pm
SAN
-
BOS
Nonstop5h 30m
Southwest
Deal found 6/26$259
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:01 pm
BOS
-
SAN
1 stop8h 09m
United Airlines
Tue 9/82:15 pm
SAN
-
BOS
1 stop7h 55m
United Airlines
Deal found 6/25$260
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:20 pm
BOS
-
SAN
Nonstop6h 15m
Delta
Sun 9/612:15 pm
SAN
-
BOS
Nonstop5h 40m
Delta
Deal found 6/23$262
This Priceline deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:58 am
MVY
-
SAN
1 stop11h 31m
JetBlue
Sun 8/238:40 pm
SAN
-
MVY
1 stop10h 28m
JetBlue
Deal found 6/26$304

Find flight deals from Massachusetts to San Diego

Keep the following information in mind while searching for Massachusetts to San Diego flight deals. Data was last updated June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(Super.com)

One-way from

$94
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$405

Good round-trip deal

$300 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Boston Logan Intl-San Diego flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-San Diego flights.
From Massachusetts to San Diego
One-way flight from Massachusetts to San Diego
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Massachusetts to San Diego.
Price to beat on a one-way flight from Massachusetts to San Diego.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
Use the filters below to find and compare flights from Massachusetts to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 8/14

4:30 pm-9:55 pm

1 stop8h 25m

San Diego

Wed 8/19

3:55 pm-12:25 am

Nonstop5h 30m

$268

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 8/22

1:10 pm-6:25 pm

1 stop8h 15m

San Diego

Mon 8/31

3:55 pm-12:25 am

Nonstop5h 30m

$272

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 8/14

4:30 pm-9:55 pm

1 stop8h 25m

San Diego

Mon 8/17

3:55 pm-12:25 am

Nonstop5h 30m

$277
Quickest round-trip

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 8/18

9:05 am-12:00 pm

Nonstop5h 55m

San Diego

Fri 8/21

3:55 pm-12:25 am

Nonstop5h 30m

$287

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 8/26

10:05 am-6:20 pm

2 stops11h 15m

San Diego

Mon 9/7

9:00 pm-9:55 am

2 stops9h 55m

$292

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 7/9

6:10 am-9:12 am

Nonstop6h 02m

San Diego

Wed 7/15

8:40 pm-5:19 am

Nonstop5h 39m

$297

West TisburySan Diego

MVY - SAN

MVYSAN

West Tisbury Martha's Vineyard

Mon 8/24

10:58 am-7:29 pm

1 stop11h 31m

San Diego

Thu 8/27

8:40 pm-10:08 am

1 stop10h 28m

$304

AlbanySan Diego

ALB - SAN

ALBSAN

Albany Intl

Wed 10/7

6:00 am-10:56 am

1 stop7h 56m

San Diego

Sat 10/17

10:30 pm-9:07 am

1 stop7h 37m

$311

HartfordSan Diego

BDL - SAN

BDLSAN

Hartford Bradley Intl

Thu 8/20

6:20 am-11:24 am

1 stop8h 04m

San Diego

Tue 8/25

12:24 pm-10:42 pm

1 stop7h 18m

$312

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 9/24

9:40 am-6:10 pm

2 stops11h 30m

San Diego

Sat 9/26

7:25 pm-12:15 pm

1 stop13h 50m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Massachusetts to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to San Diego

What is the cheapest month to book a flight from Massachusetts to San Diego?

Currently, May is the cheapest month in which you can book a flight from Massachusetts to San Diego (average of $429). Flying from Massachusetts to San Diego in January is currently the most expensive (average of $950). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MA to SAN?

Find hourly flight availability from Massachusetts to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 27, 2026.

When flying from Massachusetts to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Massachusetts to San Diego

Explore weekly flight availability from Massachusetts to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 27, 2026.

The most flights from USMA to SAN are scheduled on a Friday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Massachusetts to San Diego?

How far ahead should I book a flight from Massachusetts to San Diego?

The price you pay for your flight from Massachusetts to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Diego from Massachusetts?

    Located just 2.6 mi from the city center, San Diego (SAN) is the airport most travelers will use when flying to San Diego from Massachusetts.

  • How popular is this Massachusetts to San Diego flight route?

  • How long is the flight from Massachusetts to San Diego?

    A quick flight from Massachusetts to San Diego can take about 7h 56m. Southwest provides one of the quickest options available for as low as $311. Airlines will cover a distance of 2439 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Massachusetts to San Diego one-way?

    One-way options have recently been found by users for as low as $118 on Hawaiian Airlines. Other airlines that offer cheap prices include JetBlue from $118 and Delta from $118 one-way.

  • What are the most popular routes from Massachusetts to San Diego?

  • What are the most reliable airlines from Massachusetts to San Diego?

    The top 3 most reliable airlines when flying from Massachusetts to San Diego are TAP AIR PORTUGAL (96%), Icelandair (94%) and Etihad Airways (90%).

  • What are the cheapest flights from Massachusetts to San Diego?

    Looking for the cheapest flight from Massachusetts to San Diego? While on average our users pay $788, our data indicates the cheapest price to be $145. The most popular route (Boston Logan Intl - San Diego), is priced around $249.

  • Can I find deals for flights from Massachusetts to San Diego that include hotel bookings?

    Yes. In addition to deals on Massachusetts to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to San Diego.

  • Can I find deals for business class flights from Massachusetts to San Diego?

    Yes. Cheapflights offers flight deals from Massachusetts to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Massachusetts to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Massachusetts to San Diego (average of $429). Flying from Massachusetts to San Diego in January is currently the most expensive (average of $950). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove

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Alternative routes for Massachusetts to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Massachusetts to San Diego

Discover the top 7 airlines that operate flights from Massachusetts to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$374FlexibilityNo cancel feeOn-time85%
DeltaCheapest$129Average$350FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$168Average$363FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$212Average$405FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$236Average$389FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$244Average$451FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$276Average$397FlexibilityNo cancel feeOn-time63%

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