San Diego

$95+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAN
Oct 22 — Oct 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 22, 2025.

Round-trip from

$219
(KAYAK)

One-way from

$95
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$367

Good round-trip deal

$256 or less

Good one-way deal

$164 or less
From Massachusetts to San Diego
One-way flight from Massachusetts to San Diego
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in September 2025
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.

Find 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 September 22, 2025.

This KAYAK deal was found by Cheapflights users on 9/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:24 pmBOS - SAN
Nonstop6h 46mAlaska Airlines
Fri 12/129:15 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Deal found 9/21$219
This SmartFares deal was found by Cheapflights users on 9/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:24 pmBOS - SAN
Nonstop6h 39mHawaiian Airlines
Wed 11/129:15 amSAN - BOS
Nonstop5h 40mHawaiian Airlines
Deal found 9/22$220
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 12/65:25 pmBOS - SAN
Nonstop6h 33mDelta
Tue 12/910:26 pmSAN - BOS
Nonstop5h 29mDelta
Deal found 9/20$227
This KAYAK deal was found by Cheapflights users on 9/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:24 pmBOS - SAN
Nonstop6h 39mAlaska Airlines
Tue 11/189:15 amSAN - BOS
Nonstop5h 40mAlaska Airlines
Deal found 9/22$229
This JetBlue deal was found by Cheapflights users on 9/22. 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.
Wed 11/1910:10 amBOS - SAN
Nonstop6h 32mJetBlue
Tue 12/28:31 pmSAN - BOS
Nonstop5h 31mJetBlue
Deal found 9/22$232
This JetBlue deal was found by Cheapflights users on 9/20. 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.
Sun 12/76:52 amBOS - SAN
Nonstop6h 36mJetBlue
Thu 12/118:31 pmSAN - BOS
Nonstop5h 31mJetBlue
Deal found 9/20$237
This Priceline deal was found by Cheapflights users on 9/20. 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 11/287:00 amBOS - SAN
Nonstop6h 39mJetBlue
Tue 12/28:31 pmSAN - BOS
Nonstop5h 31mJetBlue
Deal found 9/20$246
This Delta deal was found by Cheapflights users on 9/22. 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 10/225:25 pmBOS - SAN
Nonstop6h 19mDelta
Sat 11/110:15 pmSAN - BOS
Nonstop5h 38mDelta
Deal found 9/22$247
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:24 pmBOS - SAN
Nonstop6h 39mHawaiian Airlines
Mon 11/176:38 pmSAN - BOS
1 stop9h 51mHawaiian Airlines
Deal found 9/21$251
This Frontier deal was found by Cheapflights users on 9/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:01 pmBDL - SAN
2 stops10h 49mFrontier
Thu 10/306:00 pmSAN - BDL
2 stops15h 41mFrontier
Deal found 9/20$271
This Vliegwinkel deal was found by Cheapflights users on 9/22. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:10 amBDL - SAN
1 stop8h 37mJetBlue
Sat 11/1511:21 amSAN - BDL
1 stop9h 38mJetBlue
Deal found 9/22$289
This JetBlue deal was found by Cheapflights users on 9/21. 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 10/287:00 amBDL - SAN
1 stop8h 48mJetBlue
Sat 11/811:21 amSAN - BDL
1 stop8h 08mJetBlue
Deal found 9/21$290

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 September 22, 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

Wed 11/19

5:25 pm-8:56 pm

Nonstop6h 31m

San Diego

Tue 12/2

10:26 pm-6:55 am

Nonstop5h 29m

$232

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sun 12/7

6:52 am-10:28 am

Nonstop6h 36m

San Diego

Thu 12/11

8:31 pm-5:02 am

Nonstop5h 31m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 12/8

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

Thu 12/11

9:15 am-5:52 pm

Nonstop5h 37m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 12/6

4:34 pm-8:10 pm

Nonstop6h 36m

San Diego

Thu 12/11

8:31 pm-5:02 am

Nonstop5h 31m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 11/3

5:25 pm-8:44 pm

Nonstop6h 19m

San Diego

Wed 11/5

10:15 pm-6:53 am

Nonstop5h 38m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 12/6

6:52 pm-8:39 am

1 stop16h 47m

San Diego

Thu 12/11

9:15 am-5:52 pm

Nonstop5h 37m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 11/1

3:45 pm-7:16 pm

Nonstop6h 31m

San Diego

Tue 11/4

8:39 pm-5:10 am

Nonstop5h 31m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 11/5

5:25 pm-8:44 pm

Nonstop6h 19m

San Diego

Tue 11/11

10:28 pm-6:55 am

Nonstop5h 27m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 10/30

5:25 pm-8:44 pm

Nonstop6h 19m

San Diego

Mon 11/3

10:15 pm-6:53 am

Nonstop5h 38m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 10/22

5:30 am-11:24 am

1 stop8h 54m

San Diego

Mon 10/27

2:16 pm-1:09 am

1 stop7h 53m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/20

Showing 1-10 of 60 results
1
2
3
...
6

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, August is the cheapest month in which you can book a flight from Massachusetts to San Diego (average of $286). Flying from Massachusetts to San Diego in March is currently the most expensive (average of $366). 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 September 22, 2025.

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 September 22, 2025.

The most flights from USMA to SAN are scheduled on a Friday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

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

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 6h 31m. Delta provides one of the quickest options available for as low as $232. Airlines will cover a distance of 2581 mi. Most flights are nonstop.

  • 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 $124 on Delta. Other airlines that offer cheap prices include JetBlue from $124 and American Airlines from $144 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 (91%), Etihad Airways (91%) and JetBlue (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 $898, our data indicates the cheapest price to be $118. The most popular route (Boston Logan Intl - San Diego), is priced around $227.

  • 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, August is the cheapest month in which you can book a flight from Massachusetts to San Diego (average of $286). Flying from Massachusetts to San Diego in March is currently the most expensive (average of $366). 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
Imperial Beach
National City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to San Diego

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

Top 10 airlines flying from Massachusetts to San Diego

Discover the top 10 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 September 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$194FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$91Average$298FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$138Average$350FlexibilityNo cancel feeOn-time85%
DeltaCheapest$140Average$359FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$142Average$235FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$193Average$371FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$237Average$422FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$248Average$425FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$253Average$453FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$510FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.