HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$128+ Cheap flights from Boston to San Diego (BOS - 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAN
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston 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.

The best prices from Boston Logan Intl to San Diego are usually found in January or May, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Boston to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$185
(FlightHub)

One-way from

$128
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$494
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 Boston Logan Intl to San Diego
Search Deals
One-way flight from Boston Logan Intl to San Diego
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Boston to San Diego

Cheapest flights from Boston to San Diego
Explore the most affordable flight options available from Boston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.

This American Airlines deal was found by Cheapflights users on 12/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/294:18 pmBOS - SAN
1 stop8h 51mAmerican Airlines
Tue 1/76:40 amSAN - BOS
1 stop8h 37mAmerican Airlines
Deal found 12/22$379
This Delta deal was found by Cheapflights users on 12/23. 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 12/255:10 pmBOS - SAN
Nonstop6h 35mDelta
Wed 1/1510:05 pmSAN - BOS
Nonstop5h 18mDelta
Deal found 12/23$422
This JetBlue deal was found by Cheapflights users on 12/22. 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 12/253:33 pmBOS - SAN
Nonstop6h 26mJetBlue
Wed 1/159:00 pmSAN - BOS
1 stop8h 47mJetBlue
Deal found 12/22$431
This United deal was found by Cheapflights users on 12/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:00 amBOS - SAN
1 stop9h 44mUnited Airlines
Tue 1/79:30 pmSAN - BOS
2 stops11h 37mUnited Airlines
Deal found 12/22$484
This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:27 amBOS - SAN
2 stops13h 19mMultiple Airlines
Wed 1/156:15 amSAN - BOS
2 stops23h 11mMultiple Airlines
Deal found 12/22$504
This Southwest deal was found by Cheapflights users on 12/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:25 amBOS - SAN
2 stops14h 30mSouthwest
Sun 1/55:00 pmSAN - BOS
1 stop14h 20mSouthwest
Deal found 12/22$536
This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:34 amBOS - SAN
3 stops34h 37mSpirit Airlines
Thu 1/27:16 pmSAN - BOS
2 stops22h 43mSpirit Airlines
Deal found 12/22$547
This Alaska Airlines deal was found by Cheapflights users on 12/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/254:05 pmBOS - SAN
Nonstop6h 39mAlaska Airlines
Sun 12/299:22 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Deal found 12/22$560
This FlightHub deal was found by Cheapflights users on 12/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2611:46 amBOS - SAN
1 stop8h 13mSun Country Air
Wed 1/15:46 pmSAN - BOS
1 stop14h 05mSun Country Air
Deal found 12/22$695

Find flights from Boston to San Diego within your budget

Customize your flight search to find flights from Boston 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 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 1/6

11:55 am-5:56 pm

1 stop9h 01m

San Diego

Tue 1/14

4:21 pm-3:27 pm

2 stops20h 06m

$185

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 1/21

5:20 pm-8:59 pm

Nonstop6h 39m

San Diego

Tue 1/28

10:05 pm-6:23 am

Nonstop5h 18m

$197

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 1/21

3:45 pm-7:18 pm

Nonstop6h 33m

San Diego

Tue 1/28

9:00 pm-8:47 am

1 stop8h 47m

$206

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 1/21

6:00 am-11:52 pm

2 stops20h 52m

San Diego

Tue 1/28

6:25 am-12:39 am

2 stops15h 14m

$212

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 1/10

10:27 am-10:18 pm

2 stops14h 51m

San Diego

Wed 1/15

6:15 am-8:26 am

2 stops23h 11m

$224

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 1/22

5:24 pm-9:12 pm

Nonstop6h 48m

San Diego

Wed 1/29

5:29 pm-4:55 pm

1 stop20h 26m

$226

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 1/18

2:45 pm-8:52 pm

1 stop9h 07m

San Diego

Sat 1/25

1:29 pm-11:59 pm

1 stop7h 30m

$256

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 3/6

11:05 am-7:13 pm

1 stop11h 08m

San Diego

Mon 3/10

10:37 pm-11:23 am

1 stop9h 46m

$259

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 1/9

6:05 am-12:30 pm

1 stop9h 25m

San Diego

Mon 1/13

11:20 am-11:35 pm

2 stops9h 15m

$323

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 1/13

2:28 pm-10:24 pm

1 stop10h 56m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 19 results
1
2

Compare providers for flights from Boston to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to San Diego in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
KAYAKPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Boston to San Diego flights

Find out what our experts recommend to make the most of your Boston to San Diego trip
Airlines
JetBlue

JetBlue's Even More Space seats offer up to 38 inches of legroom and early boarding.


JetBlue provides free onboard Wi-Fi and seatback screens for entertainment.

Read more about JetBlueby Blane Bachelor
Delta

Delta offers free Wi-Fi for SkyMiles members, enhancing productivity on longer flights.


Delta Comfort Plus provides extra legroom and early boarding, ideal for longer flights.

Read more about Deltaby Harriet Baskas
Alaska Airlines

Alaska Airlines' Premium Class offers extra legroom and free cocktails, enhancing comfort.


Alaska Airlines provides Wi-Fi for a flat fee, ideal for business travelers.

Read more about Alaska Airlinesby Robert Schrader
American Airlines

American Airlines' Main Cabin Extra offers 34-35 inches of legroom for added comfort.


American Airlines provides priority boarding for Main Cabin Extra passengers.

Read more about American Airlinesby Marisa Garcia
Airports
BOS

For a scenic arrival, consider the water taxi from BOS to downtown Boston. It's a unique and charming option for first-time visitors.

Read more about BOSby Paul Rubio
SAN

Use the free San Diego Flyer shuttle for a cost-effective transfer between SAN and the Old Town Transit Center, running every 20-30 minutes.

Read more about SANby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on JetBlue and SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Marisa Garcia

Marisa Garcia

Expert on American Airlines

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

Best time to book a flight from Boston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Boston 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.

Travel insights for flights from Boston to San Diego

Get recent, data-driven insights about flights from Boston to San Diego including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to San Diego. Price data was last updated on December 20, 2024.

The price you pay for your flight from Boston to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Boston to San Diego (average of $286). Flying from Boston 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 BOS to SAN?

Find hourly flight availability from Boston 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 23, 2024.

When flying from Boston 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 55% versus a flight in the morning.

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

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

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

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated December 23, 2024.
Read reviews from past customers who have flown JetBlue, Southwest and American Airlines from Boston to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,780 reviews

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,780 reviews
Southwest
8.1
Very good
4,780 reviews

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,549 reviews
Southwest
8.1
Very good
4,780 reviews

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,588 reviews
Southwest
8.1
Very good
4,780 reviews

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,263 reviews
Southwest
8.1
Very good
4,780 reviews

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,020 reviews
Southwest
8.1
Very good
4,780 reviews

Entertainment

7.7

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Boston 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 airports do I use to fly from Boston to San Diego?

    To fly from Boston to San Diego, you need to book a flight from Logan Intl (BOS) to San Diego (SAN). Nonstop flights to San Diego from Boston Logan Intl take 6h 08m on average. When it comes time to book airfare, you have a few options: there are 7 outbound flights from Logan Intl to San Diego offered by 9 different airlines.

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

    Flights from Boston Logan Intl to San Diego have been viewed 25 times in the past calendar month.

  • What are the cheapest airlines flying from Boston to San Diego round-trip?

    Currently priced at $193, Frontier will fly you from Boston to San Diego and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $197 and $206, respectively. Frontier is currently priced 51% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Boston to San Diego are United Airlines ($128), Spirit Airlines ($129), and JetBlue ($133).

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

    No one likes to see their flight delayed. When booking a flight from Boston to San Diego consider choosing EL AL (92%), Qatar Airways (92%) or TAP AIR PORTUGAL (89%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Boston to San Diego is $108. On average you can expect to pay $1,002. The most popular route, (Boston Logan Intl - San Diego), can usually be booked for $197.

  • Where are the most common layover locations when flying from Boston to San Diego?

    Boston to San Diego flights have a layover in Chicago most often. Phoenix follows Chicago in terms of the most common layover location on Boston to San Diego flights. Las Vegas follows Phoenix in terms of the most frequent layover location on Boston to San Diego flights.

  • What are some popular things to do or see while on a layover in Chicago?

    Most Chicago visitors opt to spend their time experiencing Magnificent Mile, Grant Park, and River North. Magnificent Mile, Grant Park, and River North are located about 15.5 mi, 16.2 mi, and 15.0 mi, respectively from Chicago O'Hare Intl. Travelers can book a car rental at Chicago O'Hare Intl for about $60 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Phoenix?

    Phoenix travelers tend to visit Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall more than any other notable places. Chase Field, Desert Ridge Marketplace and Phoenix Symphony Hall are located about 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl if you are interested in checking them out. Those landing in Phoenix looking to spend some time exploring during their layover can rent a car for about $58 per day.

  • What are points of interest worth seeing during a layover in Las Vegas?

    If you're on a layover in Las Vegas and looking for things to do, consider visiting Fremont Street Experience, Colosseum at Caesars Palace, or Stratosphere Tower. Fremont Street Experience, Colosseum at Caesars Palace, and Stratosphere Tower can be visited by traveling about 5.9 mi, 2.6 mi, and 4.3 mi respectively from Las Vegas Harry Reid Intl. Travelers in need of a car in Las Vegas can rent one for about $52 per day.

  • Where are the least popular layover locations for Boston to San Diego flights?

    Flights departing from Boston and landing in San Diego layover in Charlotte least frequently. Washington, D.C. sees the next fewest layovers on Boston to San Diego flights. Philadelphia comes in third to last in terms of the least popular layover locations on Boston to San Diego flights.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Boston to San Diego (average of $286). Flying from Boston 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

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 Boston to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Los Angeles flights
Boston to Las Vegas flights
Boston to San Francisco flights
Boston to Ontario flights
Boston to Burbank flights
Boston to Santa Ana flights
Hartford to Los Angeles flights
Boston to Palm Springs flights
Hartford to Las Vegas flights
Boston to Reno flights
Boston to San Jose flights
Albany to Las Vegas flights
Hartford to San Francisco flights
Boston to Sacramento flights
Albany to Los Angeles flights
Albany to San Francisco flights
Boston to Oakland flights
Hartford to San Diego flights
Hartford to Ontario flights
Boston to Santa Barbara flights
Hartford to Santa Ana flights
Hartford to Palm Springs flights
Boston to Long Beach flights
Albany to San Diego flights
Hartford to Burbank flights
Boston to Fresno flights
Hartford to San Jose flights
Hartford to Sacramento flights
Albany to Sacramento flights
Hartford to Long Beach flights
Boston to San Luis Obispo flights
Hartford to Reno flights
Albany to Palm Springs flights
Worcester to Las Vegas flights
Albany to Ontario flights
Boston to Monterey flights
Albany to Reno flights
Boston to Medford flights
Boston to Arcata flights
Hartford to Medford flights
Albany to San Jose flights
Albany to Santa Ana flights
West Tisbury to Las Vegas flights
Albany to Oakland flights
Hyannis to Las Vegas flights
Hartford to Oakland flights
Hartford to Santa Barbara flights
Albany to Burbank flights
Worcester to Los Angeles flights

Top 9 airlines flying from Boston to San Diego

Discover the top 9 airlines that operate flights from Boston 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 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$194FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$114Average$249FlexibilityNo cancel feeOn-time65%
DeltaCheapest$165Average$397FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$166Average$373FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$167Average$425FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$180Average$421FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$197Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$452FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$295Average$479FlexibilityNo 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.