San Diego

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

The best prices from Boston Logan Intl to San Diego are usually found in August or May, booked 1 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from Boston to San Diego

All the information you need to plan the best BOS to SAN flight in 2022: compare Boston to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.

BOS - SAN

Price

$254 - $408

SAN

Temperature

57.2 - 71.6 °F

SAN

Precipitation

0 - 2.3 inches

Popular in

December

High demand for flights, 25% potential price rise

Cheapest in

August

Best time to find cheap flights, 17% potential price drop

Round-trip from

$254

From Boston Logan Intl to San Diego

One-way from

$99

One-way flight from Boston Logan Intl to San Diego

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

Travelers have found that booking a Monday departure is the best way to save up to 20% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

The best pricing can be found in the month of August. Prices to San Diego from Boston average $304. You can even find prices in August for less than $304, as users have found deals to San Diego from as low as $100. The month of December 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 34%.

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

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 at noon, which can drop the price by up to 20% versus a flight in the morning.

Cheap flights from Boston to San Diego in January, February 2022

The best prices found for BOS to SAN flights for January, February
Feb 23 - Mar 2
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

15h 14m
$136

Spirit Airlines

View Deal

Deal found 18/1/22

Feb 1 - Feb 2
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 37m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

7h 10m
$156

Multiple Airlines

View Deal

Deal found 17/1/22

Feb 23 - Mar 5
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

15h 14m
$157

Spirit Airlines

View Deal

Deal found 19/1/22

Boston to San Diego 2022 flight deals

Cheap flights to San Diego from Boston found for this year
Mar 1 - Mar 8
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

15h 14m
$134

Spirit Airlines

View Deal

Deal found 18/1/22

Feb 23 - Mar 2
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

15h 14m
$136

Spirit Airlines

View Deal

Deal found 18/1/22

Mar 1 - Mar 5
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

10h 42m
$137

Spirit Airlines

View Deal

Deal found 20/1/22

Non-stop flights to San Diego from Boston

Save time with Boston to San Diego direct flight deals
Mar 2 - Mar 5
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 49m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 22m
$152

Alaska Airlines

View Deal

Deal found 17/1/22

Feb 5 - Feb 19
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 39m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 22m
$174

Alaska Airlines

View Deal

Deal found 19/1/22

Mar 5 - Mar 9
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 37m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 22m
$175

Multiple Airlines

View Deal

Deal found 18/1/22

Last minute flights from Boston to San Diego

Late deals on return flights to San Diego from Boston, departing today and this week
Jan 26 - Feb 2
BOS

Boston Logan Intl

SAN

San Diego

2 stops

34h 31m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

7h 10m
$180

Multiple Airlines

View Deal

Deal found 18/1/22

Jan 29 - Feb 5
BOS

Boston Logan Intl

SAN

San Diego

2 stops

22h 03m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 18m
$189

Multiple Airlines

View Deal

Deal found 19/1/22

Jan 29 - Feb 15
BOS

Boston Logan Intl

SAN

San Diego

2 stops

15h 24m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 30m
$190

Multiple Airlines

View Deal

Deal found 17/1/22

One-way flights to San Diego from Boston

The cheapest one-way flights from Boston to San Diego
Mar 2
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
$67

Spirit Airlines

View Deal

Deal found 17/1/22

Feb 23
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
$69

Spirit Airlines

View Deal

Deal found 18/1/22

Mar 1
BOS

Boston Logan Intl

SAN

San Diego

1 stop

15h 27m
$70

Spirit Airlines

View Deal

Deal found 17/1/22

Related info for your journey

Useful info, stats and facts about Boston to San Diego flights.

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 05m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Logan Intl to San Diego offered by 9 different airlines.

Which airlines flying from Boston Logan Intl to San Diego have flexible cancellations due to COVID-19?

Some of our airline partners flying from Boston Logan Intl to San Diego have new flexible policies in place due to COVID-19. JetBlue, American Airlines, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like JetBlue with this kind of flexibility.

Can I find flights from Boston to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to San Diego for under $200. The cheapest flight booked recently is on Spirit Airlines for just $134, but on average you can expect to pay $159.

Are there nonstop flights from Boston to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to San Diego under $200. A good price for a nonstop flight from Boston to San Diego is less than $215.

Are there last-minute flights available from Boston to San Diego for under $200?

There are currently 20+ open flights from Boston to San Diego within the next 7 days for less than $200.

How popular is this Boston to San Diego flight route?

Flights from Boston Logan Intl to San Diego have been viewed 406 times in the past calendar month.

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

Currently priced at $134, Spirit Airlines will fly you from Boston to San Diego and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $152. Spirit Airlines is currently priced 55% 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 Spirit Airlines ($67), Alaska Airlines ($87), and American Airlines ($95).

What are the most popular airlines that fly from Boston to San Diego?

Major Airline, American Airlines and Alaska Airlines are the most popular airlines when flying from Boston to San Diego.

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 TAP AIR PORTUGAL (90%), Emirates (78%) or JetBlue (75%) 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 $89. On average you can expect to pay $650. The most popular route, (Boston Logan Intl - San Diego), can usually be booked for $156.

Can I fly to San Diego from Boston Logan Intl right now?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Diego.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering San Diego.

Can I fly back to Boston Logan Intl from San Diego?

Returning to Boston Logan Intl from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Boston Logan Intl.

Alternative routes for Boston to San Diego

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

Top 8 airlines flying from Boston to San Diego

The chart below displays the airlines Cheapflights users traveling from Boston to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Spirit Airlines
Cheapest$93
Average$225
FlexibilityNo cancel fee
On-time65%
COVID-19 safety
Frontier
Cheapest$117
Average$227
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
United Airlines
Cheapest$127
Average$273
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
American Airlines
Cheapest$130
Average$297
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Delta
Cheapest$132
Average$292
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
Alaska Airlines
Cheapest$138
Average$355
FlexibilityNo cancel fee
On-time75%
COVID-19 safety
Sun Country Air
Cheapest$148
Average$232
FlexibilityNo cancel fee
On-time83%
COVID-19 safety
JetBlue
Cheapest$188
Average$432
FlexibilityNo cancel fee
On-time62%
COVID-19 safety

Hourly flight availability from Boston to San Diego

See what time of day planes typically take off from Boston to San Diego
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%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

See how many times per day planes take to the skies headed from Boston to San Diego
Sunday2daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday2daily flights
Thursday4daily flights
Friday2daily flights
Saturday2daily flights