BOS - SAN

Find cheap flights from Boston to San Diego

1 adult
1 adult, Economy, 0 bags

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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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to San Diego (BOS-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to San Diego

Multiple Airlines Logo
BOS-SAN
6684 kmmulti-stop
Multiple Airlines Logo
SAN-BOS
6684 kmmulti-stop
Multiple Airlines
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by KAYAK users
Bring your own entertainment for Alaska flights.
Expect long lines for San Diego's car rental shuttle.
User tips
User tips
User tips
User tips
When to book
3 weeks
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 23% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
Multiple Airlines
Wed 29/10
BOS - SAN • multi-stop
Cheapest one-way flights
Multiple Airlines
Wed 29/10
BOS - SAN • multi-stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San Diego!
Booking Insights

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 C$ 400 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is C$ 626 and C$ 604 respectively.

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

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 373 on average.

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, which saves you about 44% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low seasonSeptember
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (21% more expensive on average)

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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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

  • 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.

  • 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 round-trip 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.

Prefer to fly direct from Boston to San Diego?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boston Logan Intl 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

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

See more nonstop flights

Direct returns

San Diego to Boston Logan Intl

Monday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,JetBlue

Alaska Airlines,Delta, +1 more

See more nonstop 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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