BOS - SAN

£89 Find Cheap Flights from Boston to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to San Diego departing on 31/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to San Diego, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to San Diego, as well as popular online travel agencies
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Cheap Flight Deals from Boston to San Diego (BOS-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Boston to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Boston to San Diego

KAYAK's recommended return flight deals from the most popular airlines that fly from Boston to San Diego.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Alaska Airlines Logo
17:45 - 21:00BOS-SAN
6h 15mdirect
Alaska Airlines Logo
22:45 - 07:30SAN-BOS
5h 45mdirect
£174Alaska Airlines
Find Deal
Sat, 14 Jun - Sat, 14 Jun
Hawaiian Airlines Logo
08:40 - 12:01BOS-SAN
6h 21mdirect
Hawaiian Airlines Logo
22:45 - 07:40SAN-BOS
5h 55mdirect
£177Hawaiian Airlines
Find Deal
Wed, 4 Jun - Sat, 7 Jun
Delta Logo
17:10 - 20:29BOS-SAN
6h 19mdirect
Delta Logo
21:44 - 06:20SAN-BOS
5h 36mdirect
£177Delta
Find Deal
Sat, 17 May - Sat, 24 May
Delta Logo
17:10 - 20:29BOS-SAN
6h 19mdirect
Delta Logo
21:44 - 06:20SAN-BOS
5h 36mdirect
£178Delta
Find Deal
Tue, 20 May - Sat, 24 May
United Airlines Logo
09:20 - 14:56BOS-SAN
8h 36m1 stop
United Airlines Logo
22:20 - 08:55SAN-BOS
7h 35m1 stop
£193United Airlines
Find Deal
Tue, 20 May - Tue, 27 May
JetBlue Logo
15:55 - 19:15BOS-SAN
6h 20mdirect
JetBlue Logo
11:35 - 20:27SAN-BOS
5h 52mdirect
£214JetBlue
Find Deal
Sat, 24 May - Mon, 26 May
Spirit Airlines Logo
10:04 - 23:56BOS-SAN
16h 52m2 stops
Spirit Airlines Logo
17:43 - 09:09SAN-BOS
12h 26m2 stops
£221Spirit Airlines
Find Deal
Wed, 4 Jun - Sat, 7 Jun
United Airlines Logo
17:05 - 22:14BOS-SAN
8h 09m1 stop
United Airlines Logo
12:35 - 23:57SAN-BOS
8h 22m1 stop
£237United Airlines
Find Deal
Thu, 28 Aug - Sun, 31 Aug
JetBlue Logo
06:40 - 09:50BOS-SAN
6h 10mdirect
JetBlue Logo
20:30 - 07:44SAN-BOS
8h 14m1 stop
£246JetBlue
Find Deal
Tue, 1 Jul - Mon, 7 Jul
Spirit Airlines Logo
14:25 - 07:13BOS-SAN
19h 48m3 stops
Spirit Airlines Logo
06:15 - 09:09SAN-BOS
23h 54m2 stops
£273Spirit Airlines
Find Deal
Wed, 4 Jun - Sat, 7 Jun

Expert advice for your flight from Boston to San Diego

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-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 specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Alaska Airlines

First class offers 41" pitch seats, two free checked bags, and priority boarding.


Premium Class includes extra legroom and complimentary drinks on flights over 350 miles.

JetBlue

JetBlue offers free gate-to-gate Wi-Fi and live TV on seatback screens.


Even More Space upgrade provides up to 7” extra legroom and priority boarding.

Read more about JetBlueby Harriet Baskas
Delta

SkyMiles members enjoy free Wi-Fi on domestic flights, enhancing onboard connectivity.


Comfort Plus offers up to 3 inches extra legroom, enhancing comfort on longer flights.

Read more about Deltaby Stefanie Waldek
Airports
BOS

Use the FlyLogan app to reserve parking and order food ahead, ensuring a smoother departure from BOS.

Read more about BOSby Blane Bachelor
SAN

Take the Route 992 bus from SAN to Downtown San Diego for a cost-effective and quick 15-minute ride.

Read more about SANby Brandon Schultz
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and JetBlue

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, 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
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Brandon Schultz

Brandon Schultz

Expert on SAN

Brandon Schultz

Brandon Schultz

Brandon travels every week and makes friends with stray cats wherever he goes. Dogs, too... he once brought one home to the US from the Amalfi Coast. He’s written 6 books, visited 6 continents (still waiting on Antarctica), and would eat ice cream 6 times a day if he could. He lives in Brooklyn, New York, with his partner and three cats.

Read more
Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specialising 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 favourite 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.

Read more

KAYAK's insights & trends for Boston to San Diego flights

Get data-powered insights and trends into flights from Boston to San Diego to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to San Diego, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Boston to San Diego is January, where tickets cost £215 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is £362 and £335 respectively.

Can I save money by flying with a stopover from Boston to San Diego?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.
No, with an average price for the route of £178, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to San Diego, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Boston to San Diego, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Good to know - Cheap tickets from Boston to San Diego

Low season

January

High season

April

Cheapest flight

£89
Best time to beat the crowds (28% less expensive on average)
Most popular time to fly (13% more expensive on average)
Flight from Boston to San Diego

When to book flights from Boston to San Diego

Are your dates flexible? Find out the best times to travel from Boston to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Boston to San Diego: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Boston to San Diego 
CarolFlew with Alaska AirlinesBOS-SANJul 2024
Bring your own entertainment (book, puzzles, devices). T mobile offers free internet with Alaska!
Verified travelerFlew with Alaska AirlinesBOS-SANMar 2024
Be prepared to wait in long line for shuttle to car rental complex.

FAQs for booking flights from Boston to San Diego

  • What is the quickest way to get from San Diego International Airport to downtown San Diego?

    Rather than renting a car or waiting for taxis, you can take the train into the city from the airport. The fastest way to get from San Diego International Airport is by taking the Amtrak Intercity train to downtown San Diego. You will need to take the Metropolitan Transit System Route 992 to Santa Fe Depot train station downtown.

  • Are there nearby hotels at San Diego International Airport?

    There is a good choice of hotels nearby when you land at San Diego International Airport. The nearest hotel is the Holiday Inn Express San Diego Airport-Old Town, which offers a free airport shuttle for guests. Alternatively, you can check into the Sheraton San Diego Hotel & Marina, which is only half a mile away from the airport.

  • Can I fly from Boston to San Diego non-stop?

    Yes, there are two airlines that offer direct, non-stop flights from Boston to San Diego. The airlines offering these flights, which take less than seven hours, are Alaska Airlines and JetBlue Airways. Delta and American Airlines’ flights to San Diego tend to have layovers at Dallas-Fort Worth Airport.

  • Which airlines have a hub at San Diego International Airport?

    San Diego International Airport is not a hub for any airline but is a focus city for both Alaska Airlines and Southwest Airlines. The services you can expect from Alaska Airlines include complimentary snacks and beverages, as well as free movies and TV shows. On Southwest Airlines you will have free in-flight, non-alcoholic beverages as well as complimentary pretzels and Nabisco snacks.

  • Can I leave my car at Boston Logan International Airport till I return?

    You can leave your car at BOS till you return from your trip since this airport’s Central Parking Garage offers short-term and long-term parking spots. This garage is accessible to all of the airport’s terminals via pedestrian bridges on Level 4. Since its limited spots are often in demand, it’s advisable to reserve your space as early as possible.

  • Where can I breastfeed my baby before and after my flight from Boston to San Diego?

    BOS and SAN feature nursing rooms where mothers can nurse their children and pump milk. At BOS, nursing rooms are on the Landside and Airside of Terminal A and close to Gate B7, while Mamava suites are near Gate B18, Gate C8, and Gates E1 and E9. At SAN, there are lactation rooms on the second level of Terminal 1 West Rotunda, the ground level of Terminal 1 East Rotunda, and near Gate 34 in Terminal 2.

  • Where can I get emergency assistance at San Diego International Airport?

    If you need transportation assistance, emergency housing, or have general airport queries, visit Traveler’s Aid, a non-profit organization that assists stranded passengers at various USA airports. At SAN, it has counters in the Baggage Claims of Terminals 1 and 2.

  • Where can I pray before/after my flight from Boston to San Diego?

    In case you’d like a quiet place to pray before embarking on your flight, you can do so at BOS’ Our Lady of the Airways Chapel, an interfaith chapel on the Arrivals Level of Terminal C. After landing, you can pray at the airport’s Meditation room, on the Airside of Terminal 2.

  • Which airlines offering flights from Boston to San Diego are eco-friendly?

    Alaska, Jet Blue, and Delta Air Lines are ranked as the leading eco-friendly airlines in the USA. This being the case, if you’d like to travel with an airline committed to safeguarding the environment, consider traveling with these airlines.

  • Where can I rejuvenate before exiting San Diego International Airport?

    To rejuvenate, visit SAN’s Be Relax Spa near Gates 26 and 36 in Terminal 2. This spa offers elite massages and spa treatments. Here, you can count on getting value for your money, given that it boasts experienced staff.

  • What is the cheapest flight from Boston to San Diego?

    In the last 3 days, the lowest price for a flight from Boston to San Diego was £119 for a one-way ticket and £231 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Boston to San Diego?

    JetBlue, Alaska Airlines, Hawaiian Airlines, American Airlines, and Delta offer inflight Wi-Fi service on the Boston to San Diego flight route.

  • Which aircraft models fly most regularly from Boston to San Diego?

    The Airbus A318/A319/A320/A321 is the aircraft model that flies most regularly on the Boston to San Diego flight route.

  • Which airline alliances offer flights from Boston to San Diego?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Boston and San Diego, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Boston to San Diego?

    There are direct flights from Boston to San Diego on a daily basis.

  • How does KAYAK find such low prices on flights from Boston to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Diego with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Boston to San Diego

  • Looking to relax before your flight from Boston to San Diego? There are several airline lounges at Boston Logan Airport, open to all classes of passenger. Delta Sky Club has two locations in Terminal A or there is the American Airlines Admirals Club located in Terminal B. Alternatively, you can check into the Be Relax spa in Terminal C.
  • If you need to entertain the children on your flight to San Diego, you will find three play areas located around Boston Logan Airport. Offering a safe place for your children to play, Kidport is equipped with climbing structures, a kid-sized replica of Boston Logan’s control tower, plus lots more. You will find one at Terminals A, B, and C.
  • If you are bringing your service animal or pet on your flight from Boston to San Diego, before you fly you will find pet relief areas outside every terminal, on the Arrivals level of Boston Logan Airport. You will also find a pet relief area at Terminal E, post-security. Once you land at San Diego International Airport, you will find seven pet relief areas, both indoor and outdoor.
  • If you or someone you are traveling with has a disability, there are plenty of services and amenities at Boston Logan Airport to make their visit comfortable. In addition to accessible restrooms in each terminal, there are elevators and ramps to make accessing terminals, garages, and curbs easier.
  • Where are the best places to eat at Boston Logan Airport? Terminal B at Boston Logan Airport has the best selection of restaurants, mainly pre-security. From Villa Pizza and WPizza by Wolfgang Puck to three Dunkin‘ Donuts outlets and two Legal Seafoods restaurants, you will have many dining options. If you are craving some local cuisine, head to Dine Boston to experience delicious seasonal ingredients from guest chefs at Terminal E.
  • Boston Logan International Airport (BOS) is Greater Boston’s and New England’s primary airport. Located 3 miles from Boston’s downtown, this air transit hub serves as a hub for Delta and Cape Air and a focus city for JetBlue. San Diego International Airport (SAN) is the primary airport for the Greater San Diego Area. It’s located three miles northwest of downtown San Diego.
  • If you want to travel to BOS via public transit, you can take the MBTA Blue Line to the Airport Station. At this station, you’ll transfer to a Massport Shuttle bus which will drop you at your terminal. Alternatively, you can take the MBTA Red Line or Commuter Rail to South Station. At this station, you’ll transfer to a Route SL1 Silver Line bus which will transport you to your terminal.
  • At SAN, you can rent a car quite easily, given that this airport features an off-site Consolidated Rental Car Center. The facility is accessible by free shuttles that connects it to the airport. It houses locations for multiple car rental agencies, including Enterprise, Avis, Dollar, Firefly, Fox, Hertz, Ace, and Zipcar.
See more tips

Prefer to fly direct from Boston to San Diego?

Find which airlines fly direct from Boston Logan Intl Airport to San Diego Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to San Diego

Monday

Aer Lingus, Alaska Airlines, American Airlines, +8 more

Aer Lingus, Alaska Airlines, +9 more

Tuesday

Aer Lingus, Alaska Airlines, American Airlines, +8 more

Aer Lingus, Alaska Airlines, +9 more

Wednesday

Aer Lingus, Alaska Airlines, American Airlines, +9 more

Aer Lingus, Alaska Airlines, +10 more

Thursday

Aer Lingus, Alaska Airlines, American Airlines, +9 more

Aer Lingus, Alaska Airlines, +10 more

Friday

Aer Lingus, Alaska Airlines, American Airlines, +9 more

Aer Lingus, Alaska Airlines, +10 more

Saturday

Aer Lingus, Alaska Airlines, American Airlines, +8 more

Aer Lingus, Alaska Airlines, +9 more

Sunday

Aer Lingus, Alaska Airlines, American Airlines, +9 more

Aer Lingus, Alaska Airlines, +10 more

See more direct flights

Direct returns

San Diego to Boston Logan Intl

Monday

Aer Lingus, Alaska Airlines, American Airlines, +8 more

Aer Lingus, Alaska Airlines, +9 more

Tuesday

Aer Lingus, Alaska Airlines, American Airlines, +8 more

Aer Lingus, Alaska Airlines, +9 more

Wednesday

Aer Lingus, Alaska Airlines, American Airlines, +7 more

Aer Lingus, Alaska Airlines, +8 more

Thursday

Aer Lingus, Alaska Airlines, American Airlines, +8 more

Aer Lingus, Alaska Airlines, +9 more

Friday

Aer Lingus, Alaska Airlines, American Airlines, +7 more

Aer Lingus, Alaska Airlines, +8 more

Saturday

Alaska Airlines, American Airlines, Delta, +7 more

Alaska Airlines, American Airlines, +8 more

Sunday

Aer Lingus, Alaska Airlines, American Airlines, +7 more

Aer Lingus, Alaska Airlines, +8 more

See more direct flights
See more direct flights

Everything you need to know for your flight from Boston to San Diego

Information on your arrival and departure airports

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