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$105+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAN
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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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 December 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:49 amBOS - SAN
1 stop7h 55mSun Country Air
Fri 1/25:44 pmSAN - BOS
1 stop14h 07mSun Country Air
Deal found 12/14$396
This JetBlue deal was found by Cheapflights users on 12/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:50 pmBOS - SAN
Nonstop6h 29mJetBlue
Wed 1/79:30 pmSAN - BOS
Nonstop5h 25mJetBlue
Deal found 12/12$402
This Delta deal was found by Cheapflights users on 12/12. 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 12/238:00 amBOS - SAN
1 stop8h 05mDelta
Wed 1/710:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/12$405
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/235:25 amBOS - SAN
1 stop10h 19mAmerican Airlines
Wed 1/712:40 pmSAN - BOS
1 stop8h 11mAmerican Airlines
Deal found 12/14$415
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/255:20 amBOS - SAN
1 stop9h 25mUnited Airlines
Thu 12/259:45 pmSAN - BOS
1 stop8h 34mUnited Airlines
Deal found 12/11$419
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/253:15 pmBOS - SAN
1 stop8h 48mDelta
Tue 1/610:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/14$425
This Southwest deal was found by Cheapflights users on 12/12. 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 12/316:00 pmBOS - SAN
1 stop8h 25mSouthwest
Mon 1/52:05 pmSAN - BOS
1 stop7h 00mSouthwest
Deal found 12/12$431
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Thu 12/255:20 amBOS - SAN
1 stop9h 25mUnited Airlines
Thu 1/1510:40 pmSAN - BOS
1 stop9h 27mUnited Airlines
Deal found 12/12$435
This Delta deal was found by Cheapflights users on 12/12. 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 12/243:15 pmBOS - SAN
1 stop8h 48mDelta
Mon 1/510:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/12$437
This Delta deal was found by Cheapflights users on 12/13. 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 12/315:20 pmBOS - SAN
Nonstop6h 34mDelta
Mon 1/510:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/13$442
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/2512:48 pmBDL - SAN
1 stop8h 53mDelta
Thu 1/110:30 pmSAN - BDL
1 stop8h 45mDelta
Deal found 12/11$449
This Southwest deal was found by Cheapflights users on 12/13. 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 12/244:50 pmALB - SAN
1 stop9h 35mSouthwest
Sun 12/288:15 pmSAN - ALB
2 stops8h 45mSouthwest
Deal found 12/13$472

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 December 14, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$225
(Flysmarter)

One-way from

$105
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$476

Good round-trip deal

$312 or less

Good one-way deal

$179 or less
Provider with most accurate pricing for Boston Logan Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San Diego flights.
Search Deals
From Massachusetts to San Diego
Search Deals
One-way flight from Massachusetts to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to San Diego.
Search Deals
Price to beat on a one-way flight from Massachusetts to San Diego.
Search Deals

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 December 14, 2025.
Use the filters below to find and compare flights from Massachusetts to San Diego that are best for you.

Fly from

Massachusetts

Fly to

San Diego

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sun 1/11

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Wed 1/14

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 2/10

4:40 pm-8:20 pm

Nonstop6h 40m

San Diego

Thu 2/12

3:10 pm-11:33 pm

Nonstop5h 23m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 1/20

7:55 am-2:52 pm

1 stop9h 57m

San Diego

Tue 1/27

10:40 pm-9:14 am

1 stop7h 34m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 1/14

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Sat 1/17

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 1/10

4:05 pm-7:33 pm

Nonstop6h 28m

San Diego

Tue 1/13

9:30 pm-5:55 am

Nonstop5h 25m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 2/2

5:20 pm-9:47 am

1 stop19h 27m

San Diego

Tue 2/10

9:10 am-5:39 pm

Nonstop5h 29m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 2/3

6:44 pm-10:07 am

1 stop18h 23m

San Diego

Wed 2/11

9:10 am-5:39 pm

Nonstop5h 29m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 2/4

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Sat 2/7

2:20 pm-1:04 am

1 stop7h 44m

$248

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 1/21

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Sat 1/24

10:00 pm-9:09 am

1 stop8h 09m

$248

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 1/6

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Sun 1/11

10:04 pm-6:30 am

Nonstop5h 26m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Massachusetts to San Diego (average of $118). Flying from Massachusetts to San Diego in August is currently the most expensive (average of $198). 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 December 14, 2025.

When flying from Massachusetts to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 73% versus a flight in the morning.

What is the cheapest day to fly from Massachusetts to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Massachusetts to San Diego flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 14, 2025.

The most flights from USMA to SAN are scheduled on a Sunday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

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?

    The Massachusetts to San Diego flight path was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Massachusetts to San Diego can take about 6h 40m. Delta provides one of the quickest options available for as low as $237. Airlines will cover a distance of 2581 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 $97 on Spirit Airlines. Other airlines that offer cheap prices include JetBlue from $118 and Hawaiian Airlines from $118 one-way.

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

    While some choose either Hartford Bradley Intl - San Diego or Albany Intl - San Diego, Boston Logan Intl - San Diego is the most popular route 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 (97%), JetBlue (87%) and Hawaiian Airlines (85%).

  • 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 $949, our data indicates the cheapest price to be $123. The most popular route (Boston Logan Intl - San Diego), is priced around $217.

  • 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, March is the cheapest month in which you can book a flight from Massachusetts to San Diego (average of $118). Flying from Massachusetts to San Diego in August is currently the most expensive (average of $198). 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
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

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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.
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Top 8 airlines flying from Massachusetts to San Diego

Discover the top 8 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$138Average$354FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$140Average$306FlexibilityNo cancel feeOn-time65%
DeltaCheapest$140Average$344FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$197Average$372FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$237Average$426FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$456FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$419FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$504FlexibilityNo cancel feeOn-time63%

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