Find flights
When to book
FAQs

Cheap flights from Boston to San Diego

BOS — SAN
13 May — 20 May1
1 adult
Mon 13/5
Mon 20/5

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 8 May 2024.

Popular in

June

Cheapest in

January

Average price

C$ 478

Round-trip from

C$ 424
High demand for flights, 20% potential price rise
Best time to find cheap flights, 24% potential price drop
Average for round-trip flights in May 2024
From Boston Logan Intl to San Diego

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

Flights from Boston to San Diego are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

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

Find a great deal and save up to 80% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Boston to San Diego within the next two weeks, with the cheapest ticket starting at C$ 641.

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

The best pricing can be found in the month of January. Prices to San Diego from Boston average C$ 517. You can even find prices in January for less than C$ 517, as users have found deals to San Diego from as low as C$ 149. The month of June appears to be one of the more expensive times to travel to San Diego from Boston. Flying in the targeted month can save you up to 24%.

When is the cheapest time to fly from Boston to San Diego (BOS - SAN)?

It’s optimal to fly from Boston to San Diego in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

When is the best time to 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 3 May 2024.
The best time to book flights from Boston to San Diego is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time 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 5 May 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to San Diego flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Diego by month

Plan your trip from Boston to San Diego by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to San Diego is currently C$ 0 while a round-trip flight costs C$ 0. Price data was last updated on 5 May 2024.

Currently, September is the cheapest month in which you can book a flight from Boston to San Diego (average of C$ 310). Flying from Boston to San Diego in March is currently the most expensive (average of C$ 570). 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.

January

C$ 468

February

C$ 611

March

C$ 781

April

C$ 707

May

C$ 577

June

C$ 515

July

C$ 659

August

C$ 609

September

C$ 425

October

C$ 581

November

C$ 593

December

C$ 585

Temperature and rainfall in San Diego by month

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

SAN

Temperature

14 - 22 °C

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 days are direct flights available from Boston to San Diego?

    Days when direct flights are available for this flight are: Monday, Wednesday, Thursday, Friday, Saturday.

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

  • How many flights depart from Boston to San Diego on average per day?

    6 flight departures from Boston to San Diego per day on average.
    Morning (6am - Midday) - 17% of flight departures
    Afternoon (Noon - 6pm) - 83% of flight departures

  • 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 Icelandair (90%), TAP AIR PORTUGAL (89%) or JetBlue (87%) as they are the most reliable in getting you off to your destination on time.

  • What does BOS to SAN mean?

    Boston Logan Intl Airport is BOS and San Diego Airport is SAN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Boston to San Diego that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to San Diego flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to San Diego with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to San Diego flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Boston to San Diego that allow pets onboard?

    Many airlines flying from Boston to San Diego offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to San Diego?

    Yes, you can often find last-minute deals on Boston to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

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.

Top 2 airlines flying from Boston to San Diego

Discover the top 2 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 447,598 searches. Data last updated 8 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 144AverageC$ 475FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
JetBlueCheapestC$ 376AverageC$ 545FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Search flights from Boston to San Diego by cabin class

Find flights from Boston to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Boston to San Diego

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 8 May 2024.
1%of flight departuresEarly morningMidnight to 6 am
16%of flight departuresMorning6 am to noon
83%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Boston to San Diego

Explore weekly flight availability from Boston 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 8 May 2024.
Sunday6daily flights
Monday5daily flights
Tuesday5daily flights
Wednesday4daily flights
Thursday5daily flights
Friday4daily flights
Saturday5daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Boston to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Boston to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to San Diego with no change fees?

Yes, we can. To see specific flights from Boston to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to San Diego become cheaper?

Of course! You can now track prices for flights from Boston to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.